Answer:
5ft 11 inches , 5 feet 3 inches , 5 ft. and 8 in
Step-by-step explanation:
I think this is right . Plus if it isn't at least some are right so you can correct your answer. And anyway you should know this if they taught you this sin class
The possible heights for the University of Central Florida’s cheerleaders is:
5 feet, 11 inches
5 feet, 3 inches
4 feet, 9 inches
5 feet, 8 inches
Let h represents the height of a team member.
Since the height of a team member is given by the inequality 260 ≤ 4h + 28 < 324, hence:
260 ≤ 4h + 28 or 4h + 28 < 324
4h + 28 ≥ 260 or 4h + 28 < 324
4h ≥ 232 or 4h < 296
h ≥ 58 inches or h < 74 inches
Therefore the height of the team member is at least 58 inches (4 feet 10 inches) and less than 74 inches (6 feet 2 inches)
The possible heights for the University of Central Florida’s cheerleaders is:
5 feet, 11 inches
5 feet, 3 inches
4 feet, 9 inches
5 feet, 8 inches
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Given the expression 10x2-18x-4
Part A: what is the greatest common factor? Explain how to find it.
Part B: Factor the expression completely. Show all necessary steps.
Part C: Check your factoring from Part B by multiplying. Show all necessary steps.
Help !!!!!
If the expression is 10x2-18x-4.:
a. The greatest common factor of the expression 10x^2 - 18x - 4 is 2.
b. The expression 10x^2 - 18x - 4 can be factored completely as: 10x^2 - 18x - 4 = 2(5x + 1)(x - 2)
C. the factoring from Part B is correct.
How to find the greatest common factor?Part A: To find the greatest common factor of the expression 10x^2 - 18x - 4, we need to find the largest factor that divides all three terms of the expression evenly. One way to do this is to factor out the greatest common factor using the distributive property.
10x^2 - 18x - 4 = 2(5x^2 - 9x - 2)
Now, we need to factor the expression inside the parentheses further to see if we can find any additional common factors.
5x^2 - 9x - 2 can be factored using the quadratic formula, but it does not have any common factors other than 1.
Therefore, the greatest common factor of the expression 10x^2 - 18x - 4 is 2.
Part B: To factor the expression completely, we can start by using the greatest common factor of 2.
10x^2 - 18x - 4 = 2(5x^2 - 9x - 2)
Next, we need to factor the expression 5x^2 - 9x - 2 further. We can use the factoring method of product and sum:
The product of 5 and -2 is -10, and the sum of the factors that multiply to -10 and add to -9 is -10 and 1.
So, we can write 5x^2 - 9x - 2 as:
5x^2 - 10x + x - 2
= 5x(x - 2) + 1(x - 2)
= (5x + 1)(x - 2)
Therefore, the expression 10x^2 - 18x - 4 can be factored completely as:
10x^2 - 18x - 4 = 2(5x + 1)(x - 2)
Part C: To check our factoring from Part B, we can multiply the factors using the distributive property and simplify:
2(5x + 1)(x - 2) = 2(5x)(x) + 2(5x)(-2) + 2(1)(x) + 2(1)(-2)
= 10x^2 - 20x + 2x - 4
= 10x^2 - 18x - 4
Therefore, the factoring from Part B is correct.
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In the figure below, m Z1 = (x+84)° and m2 = 2xº.
Find the angle measures.
Answer:
1. m ∠ 1 = 86°
m ∠ 2 = 4°
- Problem in the picture
2. m ∠ 1 = 6°
m ∠ 2 = 84°
Step-by-step explanation:
I'm confused, so I'll just solve both problems (assuming that they are the same type of angle)
1.
m Z1 = (x+84)° and m2 = 2xº.
m ∠ 1 = (x + 84)°
m ∠ 2 = 2x°
Complementary angles are equal to 90°
(x + 84) + 2x = 90
x + 84 + 2x = 90
3x + 84 = 90
-84 -84
----------------------
3x = 6
÷3 ÷3
-----------
x = 2°
m ∠ 1 = (x + 84)°
m ∠ 1 = (2 + 84)°
m ∠ 1 = 86°
m ∠ 2 = 2x°
m ∠ 2 = 2(2)°
m ∠ 2 = 4°
2. (Problem in the picture)
m ∠ 1 = (x - 6)°
m ∠ 2 = 7x°
Complementary angles are equal to 90°
(x - 6) + 7x = 90
x - 6 + 7x = 90
8x - 6 = 90
+6 +6
---------------------
8x = 96
÷8 ÷8
----------------
x = 12
m ∠ 1 = (x - 6)°
m ∠ 1 = (12 - 6)°
m ∠ 1 = 6°
m ∠ 2 = 7x°
m ∠ 2 = 7(12)°
m ∠ 2 = 84°
I hope this helps!
Diagonalize the following matrix. The real eigenvalues are given to the right of the matrix. 7 0-9 3 10 9 ; 2=lambda = 7, 10 0 0 10
The real eigenvalues of the given matrix, once it has been diagonalized, are presented to its right as D = (7 0 0, 0 11 0, 0 0 11).
what is matrix ?Learn about the dimensions and components of matrices by starting your first introduction. A rectangular grid of numbers organized into rows and columns is known as a matrix. Matrix A, as an illustration, has two rows and three columns. matrix, a collection of numbers lined up in rows and columns to create a rectangular array. In addition to many other areas of mathematics, matrices have extensive applications in the fields of engineering, physics, economics, and statistics. It is so named because there is just one row, and a row matrix has the order 1 n as a result.
given
Eigen values ( λ )
| A - λI | = 0
= ( 7 - λ ) ( 11 - λ ) ( 11 - λ ) =0
= λ = 7 , 11 , 11
eigen vector for λ = 7
( A - IB ) X = 0
= Let y = 1 , n1 = ( -1 1 0 )
eigen vector for λ = 11
( A - λI ) X = 0
n2 = ( 0 1 0 ) let n3= ( -2 0 1 )
D = ( 7 0 0 , 0 11 0 , 0 0 11 )
The real eigenvalues of the given matrix, once it has been diagonalized, are presented to its right as D = (7 0 0, 0 11 0, 0 0 11).
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�
=
5
9
(
�
−
32
)
The equation above shows how temperature
�
, measured in degrees Fahrenheit, relates to a temperature
�
, measured in degrees Celsius. Based on the equation, which of the following must be true?
A temperature increase of 1 degree Fahrenheit is equivalent to a temperature increase of
5
9
degree Celsius.
A temperature increase of 1 degree Celsius is equivalent to a temperature increase of 1.8 degrees Fahrenheit.
A temperature increase of
5
9
degree Fahrenheit is equivalent to a temperature increase of 1 degree Celsius.
A) I only
B) II only
C) III only
D) I and II only
For the given equation which shows the relation of temperature in Celsius and Fahrenheit, the correct option is Option D.
What is meant by temperature?
Indicating the direction in which heat energy will naturally flow from a hotter body (one with a higher temperature) to a colder body(one at a lower temperature), the temperature is a measure of hotness or coldness defined in terms of any of several arbitrary scales.
The given equation is:
\(C = \frac{5}{9} (F- 32)\)
where C = temperature in Celsius
F = temperature in Fahrenheit
The above equation can be rewritten as:
C = 5/9F - 160/9
Now, this is an equation of a straight line with a formula,
y = mx + c
Comparing,
m = 5/9 which is the slope of the equation.
This means that for a temperature increase of 1 degree Fahrenheit, the equivalent increase in temperature in Celsius is 5/9.
So the option I is true.
Similarly, an increase in 1 degree Celsius of temperature is equivalent to 9/5 = 1.8 degree increase in Fahrenheit.
So option II is true.
Option III is not true as is discussed above.
Therefore for the given equation of temperature, the correct option is Option D.
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Answer:
D
Step-by-step explanation:
I have nothing else to say- lol
Both equations in a system of linear equations have y-intercepts at (0,2)
a. Is it possible for this system to have only one solution? Explain your
reasoning.
b. Is it possible for this system to have no solution? Explain your
reasoning.
c. Is it possible for this system to have infinitely many solutions? Explain
your reasoning.
is 2 more than 5 times the
Both equations in a system of linear equations have y-intercepts at (0,2) but it is not possible for this system to have only one solution because it depends on another point as well. Option C
What is linear equation?A linear equation is an equation in which the highest power of the variable is always 1. It is also known as a one-degree equation.
Given :Both equations in a system of linear equations have y-intercepts at (0,2).
The following steps can be used in order to determine the system have only one solution or not:
According to the given data, both equations in a system of linear equations have y-intercepts at (0,2).
The equation of a line is given by: \(\frac{y-y_{1} }{x-x_{1} } = \frac{y_{2} - y_{1} }{x_{2} -x_{1} }\)
From the above steps, it can be concluded that it does not say that the system to have only one solution because it depends on another point as well.
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janeen works 20 hours a week for $24.92 less than shari makes for working 12 hours a week. shari makes one dollar less than twice the amount that janeen makes per hour. how much does janeen make per hour, and about how many hours per week would janeen need to work to equal the amount that shari makes in a week?
From linear equations solution, janeen will need to work total 22.699 hours per week for make equal the amount that shari makes in a week.
We two persons named janeen and shari.
number of hours worked by janeen in a week = 20 hours
Amount of money janeen earned after working 20 hours in a week = $24.92
Number of hours worked by shari in a week = 12 hours
Let Janeen make amount in dollars = $x per hour
Shari make amount in dollars= $y per hour.
According to seniror, 12y - 20x = $24.92 --(1)
Shari makes one dollar less than twice the amount that Janeen makes per hour
=> y = 2x - 1 ---- (2)
Now, we have to linear equations and we have to solve these for determining the values of x and y. So, substitute value of y from equation (2) in (1)
=> 12 (2x -1) - 20x = 24.92
=> 24x - 12 - 20x = 24.92
=> 4x = 24.92 + 12
=> 4x = 36.92
=> x = 9.23
Therefore, Janeen earns $9.23 per hour.
Then, y = 2x-1
=> y = 2× 9.23 -1
=> y= $17.46
Now, shari makes in a week = $17.46 × 12
=$209.52
Janeen makes in a week = 20× $9.23
= $184.6
Janeen need to work to equal the amount that shari makes in a week = \(\frac{209.52}{9.23}\)
= 22.699
Hence, required value is 22.699 hours.
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Find the volume of a sphere with a surface
area of 16 square feet. Round your answer
to the nearest hundredth.
The volume is about
cubic feet.
The approximate volume of the sphere is 6.01 ft³.
What is the volume of the sphere?A sphere is simply a three-dimensional geometric object that is perfectly symmetrical in all directions.
The volume of a sphere is expressed as:
Volume = (4/3)πr³
Where r is the radius of the sphere and π is the mathematical constant pi (approximately equal to 3.14).
Given that the surface area of the sphere is 16 square feet.
First, we determine the radius r:
Surface area = 4πr²
Hence
16 = 4πr²
Dividing both sides by 4π, we get:
r² = 16/4πr
r = √( 16/4πr )
r = 1.128 ft
Plugging in the value of r that we just found, we get:
Volume = (4/3)πr³
Volume = (4/3) × 3.14 × (1.128 ft)³
Volume = 6.01 ft³
Therefore, teh volume is 6.01 ft³.
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Carter, Michelle, and Jen work at a coffee shop. All three of them worked 6 hours on Monday, Michelle and Jen worked 7 hours on Tuesday. On
Wednesday, Carter worked 5 hours. On Thursday, Carter and Michelle worked 4 hours, and Jen worked 8 hours. Use a matrix to organize the
number of hours all three employees worked Monday through Thursday
9514 1404 393
Answer:
see below
Step-by-step explanation:
We have elected to use a table, so that the rows and columns have labels that identify the table content. A matrix can be made from the data in the table.
explain how to break apart the addends to find the sum of 25 16
Answer:
The sum of 25 and 16 is 41.
Step-by-step explanation:
The sum of two numbers, 25 and 16, you can break apart the addends and add them separately to simplify the process. Here's how you can do it:
Break apart the numbers into their place values: For 25, you have 20 and 5, and for 16, you have 10 and 6. This step helps you work with the place values individually.
Add the tens place: In this case, you have 20 (from 25) and 10 (from 16). Adding them gives you 30.
Add the ones place: Now you add the ones place, which is 5 (from 25) and 6 (from 16). Adding them gives you 11.
Combine the sum of the tens place and the sum of the ones place: Take the sum of 30 (from step 2) and 11 (from step 3). Adding them together gives you 41.
So, the sun is 41.
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g Fisher's Exact Test is used when there are ______samples of categorical data. Group of answer choices two independent two paired more than two independent none of the above
Fisher's Exact Test is used when there are two independent samples of categorical data, and it is a valuable tool for analyzing small sample sizes where other tests may not be appropriate.
Fisher's Exact Test is used when there are two independent samples of categorical data. This test is specifically designed to determine if there is a significant association between two categorical variables in a 2x2 contingency table.
It is commonly used when the sample size is small, which can cause issues with other statistical tests such as the chi-square test.
The two independent samples refer to two different groups or populations that are being compared. For example, we might be interested in comparing the success rates of a new drug treatment versus a placebo in a clinical trial, where success and failure are the two categories being considered.
Fisher's Exact Test calculates the probability of observing the data given the null hypothesis of no association between the variables. It does this by considering all possible arrangements of the data that have the same marginal totals. If the calculated probability is very small (typically less than 0.05), we reject the null hypothesis and conclude that there is a significant association between the variables.
In summary, Fisher's Exact Test is used when there are two independent samples of categorical data, and it is a valuable tool for analyzing small sample sizes where other tests may not be appropriate.
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6 Marius and his dad build a lamp in the shape of a triangular prism,
open on the top and bottom. How many square inches of canvas
did Marius and his dad use to make the lamp?
Write your answer in the space provided.
in. ²
22 in.
18 in.
18 in.
18 in.
1. 75 in.
20. 1 in.
PLS HELP
Rafe and Ashley used approximately 5353.2 square inches of canvas to make the lamp.
Let's call the length of the base rectangle "L" and the width "W." From the picture, we can see that the base rectangle measures 18 inches by 18 inches. Therefore, the area of one base rectangle is given by:
Area of a rectangle = Length × Width
Area of one base rectangle = L × W = 18 in × 18 in = 324 square inches
Since there are two identical base rectangles, the combined area of both rectangles is:
Total area of base rectangles = 2 × Area of one base rectangle = 2 × 324 square inches = 648 square inches
Let's calculate the perimeter of the base rectangle first:
Perimeter of a rectangle = 2 × (Length + Width)
Perimeter of the base rectangle = 2 × (18 in + 18 in) = 2 × 36 in = 72 inches
Now, the height of the triangular prism is given as 20.1 inches. Therefore, the area of each lateral face rectangle is given by:
Area of a rectangle = Length × Width
Area of one lateral face rectangle = Perimeter of base rectangle × Height = 72 in × 20.1 in = 1447.2 square inches
Since there are three identical lateral face rectangles, the combined area of all three rectangles is:
Total area of lateral face rectangles = 3 × Area of one lateral face rectangle = 3 × 1447.2 square inches = 4341.6 square inches
The height of the triangular face is the same as the height of the prism, given as 20.1 inches. Therefore, the area of each triangular face is given by:
Area of a triangle = (Base × Height) / 2
Area of one triangular face = (18 in × 20.1 in) / 2 = 181.8 square inches
Since there are two identical triangular faces, the combined area of both triangles is:
Total area of triangular faces = 2 × Area of one triangular face = 2 × 181.8 square inches = 363.6 square inches
Now, to find the total surface area of the lamp, we sum up the areas of all the faces:
Total surface area = Total area of base rectangles + Total area of lateral face rectangles + Total area of triangular faces
Total surface area = 648 square inches + 4341.6 square inches + 363.6 square inches
Total surface area = 5353.2 square inches
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Complete Question:
Marius and his dad build a lamp in the shape of a triangular prism, open on the top and bottom. How many square inches of canvas did Marius and his dad use to make the lamp?
What is the equation of the line that is parallel to the line 6x+3y=4 and has a y-intercept of −6?
Answer:
y=-2x-6
Step-by-step explanation:
Slope intercept form of a line: y=mx+b (m is the slope and b is the y-intercept)
Convert our given line 6x+3y=4 into slope-intercept form to find the slope
Subtract 6x on both sides
3y=-6x+4
Divide 3 on both sides
y=-2x+4/3
The slope of the given line is the coefficient of x, -2
Parallel lines have the same slope, so the equation we're solving for also has a slope of -2
We also know that the y-intercept is -6, so we now have all the info we need to make the equation:
y=-2x-6
Members of the band are selling candy bars to raise money. The director uses this equation to calculate the amount of profit, p, made from selling n candy bars. p = 1.25n - 475 How many candy bars must be sold to make a profit of $950?
Answer:
380 candy barsStep-by-step explanation:
Step one:
we are told that the expression for profit is
\(p = 1.25n - 475\)-----------------1
the above equation represents the situation
given
profit is $950
Required
n=number of bars
950=1.25n-475
collect like terms
950-475=1.25n
475=1.25n
divide both sides by 1.25
n=475/1.25
n= 380candy bars
BRAINIST & 20 POINTS
*random answers will be reported*
Answer:
(0, 13)
Step-by-step explanation:
The midpoint is halfway between the line segment. First find the distance from the starting point to the midpoint.
2-1 = 1. So Since the midpoint is behind the start point, we are going backwards (moving to the left on the x axis).
So 1 space left from the midpoint is 1-1=0.
For y, the distance between the start and mid is 6 - -1 = 6+1 = 7 spaces. Then add 7 spaces to the midpoint value of 6, so 7+6 = 13. We moved upwards on the y axis.
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Lucy recently asked the servers at her restaurant to only give straws to customers who request them. she thinks that about half of the customers will ask for straws but hopes that the rate will be less than half. she randomly selects 100 customers and finds that 43 of them ask for a straw. to determine if these data provide convincing evidence that the proportion of customers who will ask for a straw is less than 50%, 150 trials of a simulation are conducted. lucy is testing the hypotheses: h0: p = 50% and ha: p < 50%, where p = the true proportion of customers who will ask for a straw. based on the results of the simulation, what is the estimate of the p-value of the test? a. 0.0333 b. 0.05 c. 0.0733
d. 0.11
Answer:
Because the P-value of 0.0733 > , Lucy should fail to reject H0. There is not convincing evidence that the proportion of customers who will ask for a straw is less than 50%.
A student multiplied a number by 8, and the answer was less than 8.
Answer:
\(x < 1\)
For any number to be less than the given number in an inequality, the number on the right side has to match up with the word problem given. The problem says the number was less than 8, and to get anything less than 8, you must multiply any number below 1 by that number.
Find the volume of the solid lying under the circular paraboloid z = x2 + y2 and above the rectangle R = (-4,4] x [-6,6). 1. 2496 2. 1664 3. 1248 4. 960 5. 640
According to the question we have the correct answer is option 2, with a volume of 1664 cubic units.
The volume of the solid lying under the circular paraboloid z = x^2 + y^2 and above the rectangle R = (-4, 4] x [-6, 6] can be found using a double integral. First, set up the integral with respect to x and y over the given rectangular region:
Volume = ∬(x^2 + y^2) dA
To evaluate this integral, we will use the limits of integration for x from -4 to 4, and for y from -6 to 6:
Volume = ∫(from -4 to 4) ∫(from -6 to 6) (x^2 + y^2) dy dx
Now, integrate with respect to y:
Volume = ∫(from -4 to 4) [(y^3)/3 + y*(x^2)](from -6 to 6) dx
Evaluate the integral at the limits of integration for y:
Volume = ∫(from -4 to 4) [72 + 12x^2] dx
Next, integrate with respect to x:
Volume = [(4x^3)/3 + 4x*(72)](from -4 to 4)
Evaluate the integral at the limits of integration for x:
Volume = 1664
Therefore, the correct answer is option 2, with a volume of 1664 cubic units.
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what is the circumference of the circle if r= 3.5 feet? Use 22/7 for pi
Answer:
circumference of circle=2πr
2×22/7×3.522hope it helps.
what is 200 liter per day into cubic meters per week
Answer:
1.4 cubic meters
Step-by-step explanation:
What is the distance, rounded to the nearest tenth, between the points (0,5) and(8,0)?
Answer:
69
Step-by-step explanation
you eat a subway sandwhich than poop it all out, and then you search up the answer and is 69!!!!! WOW!!!
Find the x-and y-components of the vector
v
=(5.0 cm/s,−x-direction). Express your answer in centimeters per second. Enter the x and y components of the vector separated by a comma.
The answer is: x-component of vector = 5.0 cm/s, y-component of vector = 0 cm/s.
The given vector v has an x-component of 5.0 cm/s and a y-component in the negative x-direction. Since the y-component is in the negative x-direction, it means the y-component is negative and has the same magnitude as the x-component.
Given vector v = (5.0 cm/s, −x-direction).
The vector is having magnitude 5.0 cm/s along the negative x-direction.
x-component of vector = 5.0 cm/s (magnitude of vector)v and y-component of vector is 0 since there is no component of v along y-axis.
Therefore, the x- and y-components of the vector v are 5.0 cm/s and 0 cm/s respectively.
Hence, the answer is: x-component of vector = 5.0 cm/s, y-component of vector = 0 cm/s.
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Determine the annual percentage yield, or the effective interest rate, for $1200 invested at 6.63% over 8 years compounded daily. Round your answer to the nearest hundredth of a percent, if necessary. Answer
The annual percentage yield, or the effective interest rate, for $1200 invested at 6.63% over 8 years compounded daily is approximately 64.04%.
To determine the annual percentage yield, or the effective interest rate, for $1200 invested at 6.63% over 8 years compounded daily, we can use the formula:
A = P(1 + r/n)^(nt)
Where:
A = the final amount
P = the principal amount (initial investment)
r = the annual interest rate (6.63%)
n = the number of times interest is compounded per year (365 for daily compounding)
t = the number of years (8)
Plugging in the values, we have:
A = 1200(1 + 0.0663/365)^(365*8)
Calculating this, we get A ≈ $1,968.49.
To find the annual percentage yield, we need to find the interest earned:
Interest = A - P = $1,968.49 - $1200 = $768.49
Now, we can find the annual percentage yield using the formula:
Annual percentage yield = (Interest / P) * 100
Plugging in the values, we have:
Annual percentage yield ≈ ($768.49 / $1200) * 100 ≈ 64.04%
Therefore, the annual percentage yield, or the effective interest rate, for $1200 invested at 6.63% over 8 years compounded daily is approximately 64.04%.
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Simplify 10 times the square root of quantity 3 x end quantity plus 4 times the square root of quantity 3 x end quantity plus 5 times the square root of quantity 3 x end quantity. 9 times the square root of quantity 3 x end quantity 9 times the square root of quantity 6 x end quantity 19 times the square root of quantity 3 x end quantity 19 times the square root of quantity 9 x cubed
The square root of the quantity x plus 7 end quantity minus 1 equals x=2.
What is square root?A number's square root is the factor that can be multiplied by itself to yield that number. Square root of, end square root is the symbol for square root. Finding an integer's square root is the inverse of squaring a number.To find the square root:
√(x + 7) − 1 = x√(x + 7) = x + 1x + 7 = (x + 1)²x + 7 = x² + 2x + 10 = x² + x − 60 = (x + 3) (x − 2)x = -3 or 2Check for extraneous solutions:
√(-3 + 7) − 1 = -3√4 − 1 = -32 − 1 = -31 = -3x ≠ -3√(2 + 7) − 1 = 2√9 − 1 = 23 − 1 = 22 = 2x = 2Therefore, the square root of the quantity x plus 7 end quantity minus 1 equals x = 2.
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The correct question is given below:
The square root of the quantity x plus 7 end quantity minus 1 equals x
Victor also saw a jacket he liked while he was shopping. The jacket has a price tag of $75.00 and was marked for 30% off. How much money will the jacket cost after the sale?
Respuesta:
$ 52.5
Explicación paso a paso:
Dado
Costo de la chaqueta = $ 75
Mark off = 30%
Descuento = 30% de $ 75
Precio de descuento = 0,3 * 75
Precio de descuento = $ 22.5
Costo después de la venta = $ 75 - $ 22.5
Costo después de la venta = $ 52.5
Por lo tanto, el costo después de la venta es de $ 52.5
Aiden run at a contant peed of 3. 5 meter per econd for 1/2 hour. Then, he walk at a rate of 1. 6 meter per econd for 1/2 hour. How far did Aiden run and walk in 60 minute?
Aiden run and walk in 60 minute, then the distance = 9180 meters
Given that,
Aiden run at a constant peed of 3. 5 meter per second for 1/2 hour.
Then, he walk at a rate of 1. 6 meter per second for 1/2 hour.
(1) 3. 5 meter per second for 1/2 hour.
We can,
1 hour = 3600 seconds
Then,
\(\frac{1}{2}\) hour = 1800 seconds
Distance is the total movement of an object without any regard to direction. We can define distance as to how much ground an object has covered despite its starting or ending point.
So,
We can write,
Distance = speed * time
3.5 * 1800 = 6300 meters (Equation-1)
(2) 1. 6 meter per second for 1/2 hour.
We can,
1 hour = 3600 seconds
Then,
\(\frac{1}{2}\) hour = 1800 seconds
So,
We can write,
Distance = speed * time
1.6 * 1800 = 2880 meters (Equation-2)
Then,
We can add the equation - 1 and 2,
= 6300 meters + 2880 meters
= 9180 meters
Therefore,
Aiden run and walk in 60 minute, then the distance = 9180 meters
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can someone help me please?
Hi :)
15x^12/18x^2
Factor 3 out of 15 and 18
3(5x^12)/3(6x^2)
Divide
5x^10/6
Answer:
\( \frac{15 {x}^{12} }{18 {x}^{2} } \\ \frac{15}{18} \times \frac{ {x}^{12} }{ {x}^{2} } \\ \frac{5}{6} \times {x}^{12- 2} \\ \frac{5}{6} \times {x}^{10} \\ \frac{5 {x}^{10} }{6} \)
Use a graphing calculator to solve the equation. Round your answer to two decimal places. ex=x²-1 (2.54) O (-1.15) O (-0.71) (0)
The approximate solution to the equation ex = x² - 1 is x ≈ 2.54, rounded to two decimal places. The correct option is (2.54).
To solve the equation `ex = x² - 1` using a graphing calculator, follow these steps:
1. Enter the equation into the calculator: `y1 = ex - x^2 + 1`.
2. Graph the equation to visualize its behavior.
3. Look for the points where the graph of the equation intersects the x-axis, which correspond to the solutions of the equation.
Using a graphing calculator or software, we can plot the equation `y = ex - x² + 1` and find its x-intercepts. The x-values of the intercepts are the solutions to the equation.
After performing the calculations, the approximate solutions to the equation are x ≈ 2.54, x ≈ -1.15, and x ≈ -0.71.
Therefore, the correct answer is (2.54).
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the vector sum of two or more other vectors is called the
Answer: resultant
Step-by-step explanation:
-ind the total surface area of this triangular prism.
30 cm
18 cm
7 cm
24 cm
The total surface area of the triangular prism is 680 cm².
To find the total surface area of the triangular prism with dimensions 30
cm, 18 cm, 7 cm, and 24 cm, follow these steps:
Identify the dimensions: The base of the triangular prism is a triangle with
sides 30 cm, 18 cm, and 24 cm. The height of the prism is 7 cm.
Calculate the area of the triangular base: Use Heron's formula to find the
area of the triangle. First, find the semi-perimeter (s) of the triangle:
s = (30 + 18 + 24) / 2 = 72 / 2 = 36 cm.
Apply Heron's formula: Area = √(s(s - a)(s - b)(s - c)), where a, b, and c are
the side lengths of the triangle.
Area = √(36(36 - 30)(36 - 18)(36 - 24)) = √(36 × 6 × 18 × 12) = √31104 = 176 cm².
Calculate the area of the three rectangular faces: The three rectangular
faces have dimensions 30 cm x 7 cm, 18 cm x 7 cm, and 24 cm x 7 cm.
Find their areas by multiplying the dimensions:
30 × 7 = 210 cm², 18 × 7 = 126 cm², and 24 × 7 = 168 cm².
Add the areas of all the faces together: Add the triangular base area and
the areas of the three rectangular faces to find the total surface area:
176 cm² (base) + 210 cm² + 126 cm² + 168 cm² = 680 cm².
The total surface area of the triangular prism is 680 cm².
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QUESTION 2
Indicate the order (by rewriting the numerical expression in that order) in which you
could most easily add the following list of numbers without using a calculator:
39+87 +62 +61 + 38 +113
By dοing the mental math, the summatiοn is 300.
What are the ways tο add numbers?Use mental math: If the numbers are small, yοu can add them up in yοur head.
Use rοunding: Rοund the numbers tο the nearest ten οr hundred, add them up, and then adjust fοr the rοunding errοr.
We can grοup the numbers in pairs with οne easy-tο-add number and οne slightly harder-tο-add number: (39+61) + (87+13) + 62 + 38
We can simplify this further: 100 + 100 + 62 + 38
Nοw we can add the remaining numbers easily: 200 + 100
Sο the final οrder in which we cοuld mοst easily add the numbers is: (39+61) + (87+13) + 62 + 38 = 200 + 100 = 300
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