Answer:
54
Step-by-step explanation:
27x2= 54
Use either the Law of Sines or the Law of Cosines. In ΔDEF, m∠E = 54°, d =
14 in., and f = 20 in. Find e.
A. 16.3 in.
B. 14.2 in.
C. 21.8 in.
D. 24.2 in.
The measure of side e is, 16.3 inches.
What is mean by Triangle?A triangle is a three sided polygon, which has three vertices and three angles which has the sum 180 degrees.
We have to given that;
In ΔDEF, m ∠E = 54°, d = 14 in., and f = 20 in.
Now, We know that;
⇒ cos E = (d² + f² - e²) / 2df
Substitute all the values, we get;
⇒ cos 54° = (14² + 20² - e²) / 2×14×20
⇒ 0.59 = (196 + 400 - e²) / 560
⇒ 0.59 × 560 = 596 - e²
⇒ 330.4 = 596 - e²
⇒ e² = 596 - 330.4
⇒ e² = 265.6
⇒ e = √265.6
⇒ e = 16.3 inches
Thus, The measure of side e is, 16.3 inches.
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A perfect square is the product of any positive whole number used as a factor exactly two times. [Example: 49 is a perfect square because 7 × 7 = 49] The positive whole number N, when multiplied by 150, is a perfect square. What is the least possible positive whole number value for the number N?
A perfect square can be defined as a number that can be expressed as the product of an integer by itself or as the second exponent of an integer.
The value of N for the given question is 6.
To reach the above solution we need following steps:
Given:
\(\rm 150\times N = Perfect\:square\)
Since 150 is not a perfect square N is not equals to 1.
Putting values starting from 2 on the place of N.
\(150\times2 = 300\\\\150 \times3=450\\\\150\times4= 600\\\\150\times5= 750\\\\150\times6=900\)
Since 900 is a perfect square, the value of N will be 6.
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A perfect square is the product of any positive whole number used as a factor exactly two times. The number six should be multiplied by the 150 to make it a perfect square. Thus least positive whole number which is multiplied by the 150 to make it a perfect square N is 30.
Given-
The given number in the problem which need to be perfect square is 150.
The least positive whole number which is multiplied by the 150 to make it a perfect square is N.
What is perfect square?A perfect square is the product of any positive whole number used as a factor exactly two times.
The number 150 needs to be break down in the small integers to get the value of the smallest integer which makes the product of integer and 150 a perfect square.
150 can be written as,
\(150=2\times3\times5\times5\\\)
Two and three remains without the pairs. The product of 2 and 3 is 6.
Six should be multiplied by the 150 to make it a perfect square. Thus
\(=150\times6\\\)
\(=900\)
\(=\sqrt{900}\)
\(=30\)
Hence the number six should be multiplied by the 150 to make it a perfect square. Thus least positive whole number which is multiplied by the 150 to make it a perfect square N is 30.
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If cos f° = four ninths and the measure of segment xw is 16 units, what is the measure of segment xy? triangle xyw in which angle w is a right angle, angle x measure f degrees, and angle y measures d degrees 16 units 27 units 30 units 36 units
The measure of the segment xy of the given right angle triangle is; 36 units
How to use trigonometric ratios?This question can be best understood if the trigonometric ratios are briefly highlighted since it has been used in the question. Cos f is given as 4/9. We know that the cos of an angle is derived as the adjacent divided by the hypotenuse. In other words, the cosine of angle f is given as;
Cos f = Adjacent / Hypotenuse
Thus;
Cos f = 4/9
From the triangle shown in the attachment, the adjacent is XW while the hypotenuse is XY. Hence, the adjacent is 16 units and the hypotenuse is unknown. Since the measurements given in the question are a ratio of the original dimensions, the relationship can be expressed as follows;
4/9 = 16/XY
Where XY is the unknown side
By cross multiplication, you now arrive at,
4XY = 9 * 16
XY = 144/4
XY = 36
Therefore, XY measures 36 units
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a data analyst creates a scatterplot. the analyst wants to put a text label on the plot to call out specific data points. what function does the analyst use? 1 point the ggplot() function the facet grid() function the annotate() function the geom smooth() function
The function that the analyst uses is C. the annotate() function
Who is a data analyst?A data analyst examines data to find significant customer insights and potential uses for the information. They also inform the company's management and other stakeholders of this information.
A data analyst is a person whose role it is to collect and analyze data in order to address a particular issue. This function adds geoms to a plot, but unlike typical geom functions, the geoms' properties are passed in as vectors rather than being mapped from variables of a data frame.
In this case, the annotate() function in computer is used by the analyst in this situation. In conclusion, the correct option is C.
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consider the functions f(x) = and g(x) = 6. what are the ranges of the two functions? f(x): {y| y > } g(x): {y| y > }
The ranges of the two functions is
f(x): {y| y > 0 }
g(x): {y| y > 6}
we have that
f(x) = (4/5)^x
g(x) = (4/5)^x + 6
using a graph tool
see the attached figure
we know that
f(x) has the horizontal asymptote y = 0
g(x) has the horizontal asymptote y = 6
therefore
the range of f(x) is the interval (0,∞)
the range of g(x) is the interval (6,∞)
the answer is
the range of f(x) is the interval (0,∞)
the range of g(x) is the interval (6,∞)
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The correct question is the attached image
The graph of y= f(x) determine f (x) = 3
Answer:
-3
because f(x)= y then y =3
therefore if we find point 3 on y axis and then see which point is on the horizontal line of 3 which is -3
hope this helps you.
Help with question 11
Answer:
The lowest common denominator is 12
Step-by-step explanation:
Finding the lowest common denominator
Multiples of 6: 6,12,18,24
Multiples of 4: 4,8,12,16,20
The lowest common multiple is 12
The lowest common denominator is 12
2x - y = 3 ordered pair?
The ordered pair of the equation is (1, - 1) or (3, 3).
What is the ordered pair of the equation?The ordered pair of the equation is calculated by choosing a value of x and substituting it into the original equation and solving for the value of y as shown below.
The given equation is;
2x - y = 3
let x = 1
Now substitute the value of x into the original equation and solve for y as follows;
2x - y = 3
2 (1) - y = 3
2 - y = 3
y = 2 - 3
y = -1
We can also choose another value of x, say 3;
2(3) - y = 3
6 - y = 3
y = 3
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I went grocery shopping last night and my total was $97. I had a coupon for 13%. How much did I have to pay.
Answer: 84.39 but i don't know if u had tax or not so-
Step-by-step explanation:
97(.13)
= 12.61
97 - 12.61
= 84.39
Please help.
Graph RST with vertices R(4,1), S(7,3), and T(6, 4) and its image after the glide reflection.
Translation: (x,y) →(x, y-1)
Reflection: in the y -axis.
Answer:
Points R(4,1) S(7,3) T(6,4) after translation
R(4-3, 1) S(7-3, 3) T(6-3, 4)
R'(1, 1) S'(4, 3) T'(3, 4)
Points R'(1, 1) S'(4, 3) T'(3, 4) after reflection
R''(1, -3) S''(4, -5) T''(3, -6)
Step-by-step explanation:
Answer:Step-by-step explanation:Points R(4,1) S(7,3) T(6,4) after translation R(4-3, 1) S(7-3, 3) T(6-3, 4) R'(1, 1) S'(4, 3) T'(3, 4) Points R'(1, 1) ...
What is the solution to this equation?
4x-3 + 2x= 33
O A. x= 15
B. x = 18
O c. x = 5
O D. x = 6
Answer:
4x – 3 + 2x = 33
6x = 36
x = 6
D. x = 6
Write a quadratic function / whose only zero is -11.
Check
=
The quadratic value equation with zeroes at -11 is f(x) = a(x + 11)²
Given data ,
A quadratic function that has -11 as its only zero can be written in the form:
f(x) = a(x - r)²
where "a" is a non-zero constant and "r" is the zero of the function, in this case, -11.
On simplifying the equation , we get
f(x) = a(x - (-11))²
f(x) = a(x + 11)²
Hence , any quadratic function of the form f(x) = a(x + 11)^2, where "a" is a non-zero constant, will have -11 as its only zero
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Please answer ASAP
The perimeter of a rectangle is 176 m. The length is equal to 3 times the width decreased by 4. Find the dimensions of the rectangle.
Answer:
L=65m
W=23m
Step-by-step explanation:
\(3W-4=L\\2L+2W=176\\\\2L+2W=176\\-2L+6W=8\\8W=184\\W=23m\\L=23*3-4=65m\)
The length and width of the rectangle are 63m and 25m.
What is a rectangle?A rectangle is a quadrilateral, a 2d shape that has four sides and four vertices.
We have,
The perimeter of a rectangle = 176 m
Length of the rectangle = L = 3 x (W- 4 )
Width of the rectangle = W
The perimeter of a rectangle is given by:
176 = 2 ( L + W )
176 = 2 ( 3 ( W - 4 ) + W )
176 = 2 ( 3W - 12 + W )
176 = 2 ( 4W - 12 )
176 = 8W - 24
176 + 24 = 8W
200 = 8W
W = 200 / 8
W = 25 m
Now,
Put W = 25 in L = 3 x ( W - 4 )
L = 3 x ( 25 - 4 )
L = 3 x 21
L = 63 m
We can cross-check:
Perimeter = 2 ( 63 + 25 ) = 2 ( 88 ) = 176 m
Thus the length and width of the rectangle are 63m and 25m.
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Construct a truth table for each of these compound propositions
a) p → ⇁p
b) p ↔ ⇁p
c) p ⊕ (p V q) d) (p ∧ q) → (p V q) e) (p → ⇁p) ↔ (p ↔ q) f) (p ↔ q) ⊕ (p ↔ ⇁q)
After considering the given data we conclude that there truth table is possible and is placed in the given figures concerning every sub question.
A truth table is a overview that projects the truth-value of one or more compound propositions for each possible combination of truth-values of the propositions starting up the compound ones.
Every row of the table represents a possible combination of truth-values for the component propositions of the compound, and the count of rows is described by the range of possible combinations.
For instance, if the compound has just two component propositions, it comprises four possibilities and then four rows to the table. The truth-value of the compound is projected on each row comprising the truth functional operator.
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A nut mixture of almonds and cashew nuts at a small fair is $1.00 per pound of almonds and $3.55 per pound of cashew nuts. Over the entire day, 65 pounds of the nut mixture were sold for $189.95. If p is the number almonds and n is the number of cashew nuts, then the system of equations that models this scenario is: p+n=65 p+3.55n=189.95 Determine the correct description and amount of pounds for almonds and cashew nuts that were sold
Answer:
p is 16 and N is 49.
Step-by-step explanation:
Answer:
p = 16
n = 49
Step-by-step explanation:
p + n = 65
p + 3.55n = 189.95
To solve this system of equations, you have to use substitution. This means that you have to set one equation equal to one of the variables. You then have to substitute that variable into the second equation.
Rearrange the first equation so that it equals p.
p + n = 65
p = 65 - n
Substitute the p-value into the second equation.
p + 3.55n = 189.95
(65 - n) + 3.55n = 189.95
Solve for n.
65 - n + 3.55n = 189.95
65 + 2.55n = 189.95
(65 + 2.55n) - 65 = 189.95 - 65
2.55n = 124.95
(2.55n)/2.55 = 124.95/2.55
n = 49
Use this n-value to solve for p. You can pick whichever equation you want to solve for p and get the same answer. I will use the first answer.
p + n = 65
p + 49 = 65
(p + 49) - 49 = 65 - 49
p = 16
There are 16 pounds of almonds and 49 pounds of cashews.
Cylinders A and B are similar solids. The base of cylinder A has a circumference of 4π units. The base of cylinder B has
an area of 9π units.
The dimensions of cylinder A are multiplied by what factor to produce the corresponding dimensions of cylinder B?
4/9
2/3
3/2
9/4
Step-by-step explanation:
To find the factor by which the dimensions of cylinder A were multiplied to produce the corresponding dimensions of cylinder B, we can use the fact that they are similar solids. This means that the ratio of corresponding dimensions is the same for both cylinders.
Since the base of cylinder A has a circumference of 4π units and the base of cylinder B has an area of 9π units, we can use these measurements to find the ratio of the radii of the two cylinders.
The circumference of a circle is given by 2πr, where r is the radius, so the radius of cylinder A is 4π/2π = 2 units.
The area of a circle is given by πr^2, so the radius of cylinder B is sqrt(9π/π) = sqrt(9) = 3 units.
The ratio of the radius of cylinder A to cylinder B is 2/3. Since similar solids have the same ratio for all dimensions, this means that the dimensions of cylinder A were multiplied by a factor of 2/3 to produce the corresponding dimensions of cylinder B.
guys help please bro
Answer:
132 square meters
Step-by-step explanation:
You can split the shape into two figures. They both will be parellelograms.
Area of parallelogram: A=bh
11 *6=66
66 *2= 132
Answer: 132 square meters
Find the exact value of cos J in simplest form.
√29
14
15
H
The cosine of angle J is given as follows:
\(\cos{J} = \frac{14\sqrt{2}}{49}\)
What are the trigonometric ratios?The three trigonometric ratios are the sine, the cosine and the tangent of an angle, and they are obtained according to the rules presented as follows:
Sine = length of opposite side/length of hypotenuse.Cosine = length of adjacent side/length of hypotenuse.Tangent = length of opposite side/length of adjacent side = sine/cosine.For the angle J in this problem, we have that:
4 is the adjacent side.\(\sqrt{98}\) is the hypotenuse.Hence the cosine of angle J is given as follows:
\(\cos{J} = \frac{4}{\sqrt{98}} \times \frac{\sqrt{98}}{\sqrt{98}}\)
\(\cos{J} = \frac{4\sqrt{98}}{98}\)
\(\cos{J} = \frac{2\sqrt{98}}{49}\)
As 98 = 2 x 49, we have that \(\sqrt{98} = \sqrt{49 \times 2} = 7\sqrt{2}\), hence:
\(\cos{J} = \frac{14\sqrt{2}}{49}\)
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The following are the annual operations. The interest rate for the first fourteen years is 1% per month and thereafter will be 1.5% per month: $100,000 will be contributed at the end of each year for 8 years. end of each year for 8 years (the first is at the end of year 1); equal annual withdrawals will be made from the end of year 10 to the end of year 14 of $60,000; finally, equal contributions of $50,000 will be made from the end of year 15 to the end of year 20.
8. Calculate the effective annual interest rates: Answer 12.6825% and 19.56182%.
9. Calculate the balance in present value: Answer $444,117.28
10. Calculate the balance in future value: Answer $6,903,087.93
Effective annual interest rates: 12.6825% for the first 14 years, 19.56182% thereafter.
Balance in present value: $444,117.28.
Balance in future value: $6,903,087.93.
The effective annual interest rates for the given operations are 12.6825% for the first 14 years and 19.56182% thereafter. These rates take into account compounding on a monthly basis and reflect the actual annual return on the investments.
To calculate the effective annual interest rate for the first 14 years, we can use the formula: (1+monthly interest rate)12−1(1+monthly interest rate)12−1. Plugging in the monthly interest rate of 1%, we find that the effective annual interest rate is 12.6825%.
For the period after 14 years, the effective annual interest rate can be calculated using the same formula, but with the monthly interest rate of 1.5%. Substituting this value, we obtain an effective annual interest rate of 19.56182%.
The balance in present value can be calculated as the sum of the present values of the contributions and withdrawals. The present value of a cash flow can be calculated using the formula: FV(1+r)n(1+r)nFV, where FV is the future value, r is the interest rate, and n is the number of periods.
To calculate the balance in present value, we need to determine the present value of the contributions, withdrawals, and future contributions. Applying the formula for each cash flow and summing them up, we find that the balance in present value is $444,117.28.
The balance in future value can be calculated as the sum of the future values of the contributions and withdrawals. The future value of a cash flow can be calculated using the formula: PV×(1+r)nPV×(1+r)n, where PV is the present value, r is the interest rate, and n is the number of periods.
To calculate the balance in future value, we need to determine the future value of the contributions, withdrawals, and future contributions. Applying the formula for each cash flow and summing them up, we find that the balance in future value is $6,903,087.93.
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PLS HELPPPPP
if y = (x^2 + x +1) (x^3 - x - 1) then y ‘(2)=
Answer:
(1)+(2) Substitute Y from (2) in (1):
X2+(1−X)2=1X2+(1−X)2=1
...
2X(X−1)=02X(X−1)=0
Hense X= 0 or X = 1.
by-step explanation:
How do you calculate the required sample size for a desired ME (margin of error)?
Answer: Calculate
Step-by-step explanation: How to calculate the margin of error?
1. Get the population standard deviation (σ) and sample size (n).
2. Take the square root of your sample size and divide it into your population standard deviation.
3. Multiply the result by the z-score consistent with your desired confidence interval according to the following table:
sin cos and tan help
Multiply (5x + 3) by (2x + 6) using the box method.
Answer:
10x² + 36x + 18
Step-by-step explanation:
(5x + 3) (2x + 6)
10x² + 30x + 6x + 18
10x² + 36x + 18
What is the Solution to 1-x<5
\(~~~~~1-x < 5\\\\\implies -x < 5-1\\\\\implies -x < 4\\\\\implies x > -4\\\\\text{Interval notation:}~ (-4, \infty)\)
In a certain statistics class, the past data has indicated that there is a positive, linear relationship between a student's midterm exam score and their subsequent final exam score. The LSR model for this relationship is given by:
final score = 60 + 0.4*(midterm score)
From the choices below, the best interpretation of the intercept is:
a. A student who scored a 0 on the midterm is expected to score a 60 on the final.
b. If the final exam score is a 0, the expected midterm score would be -150.
c. A student who scored a 0 on the final is expected to score a 60 on the midterm.
d. For every additional 1-point increase in a student's midterm score, the corresponding final exam score increases by 0.4 points.
e. If the final exam score is a 0, the expected midterm score would be 150.
f. For every additional 1-point increase in a student's final exam score, the corresponding midterm score increases by 0.4 points.
The best interpretation of the intercept in the given LSR model is: a student who scored a 0 on the midterm is expected to score a 60 on the final exam.
The intercept in a linear regression model represents the value of the dependent variable (final exam score) when the independent variable (midterm score) is equal to 0. In this case, when the midterm score is 0, the LSR model predicts that the final exam score will be 60.
Therefore, option (a) is the correct interpretation of the intercept. It signifies the baseline expectation for a student who didn't perform on the midterm (scored 0) and the anticipated final exam score they would receive (60).
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Need help answering this question
Speed is the ratio of distance and time.
It shows how fast an object is moving at a given time.
The rate of change of the distance below the sea level with respect to time is 11 feet per second.
What is speed?Speed is the ratio of distance and time.
It shows how fast an object is moving at a given time.
We have,
The table has a linear relationship.
We can choose two data from the table.
At time = 15,
Distance below the sea level = 545 feet.
At time = 27,
Distance between the sea level = 677
Now,
The rate of change of the distance below the sea level with respect to time.
Slope:
= (677 - 545) / (27 - 15)
= 132 / 12
= 11 feet per second
Thus,
The rate of change of the distance below the sea level with respect to time is 11 feet per second.
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The rate of change of distance for the submarine is given by 11 feet/sec.
How to find the slope for two given points?In order to find the slope between two points (x₁, y₁) and (x₂, y₂), take the ratio of the difference of the respective coordinates as (y₂ - y₁)/(x₂ - x₁).
Given that,
The table for distance travelled versus time taken for a submarine.
In order to find the slope, take two values of distance and time from the given table as 380 feet at t = 0 and 545 feet at t = 15.
Now, the slope can be found as,
slope = (545 - 380)/(15 - 0)
= 165/15
= 11
Hence, the rate of change of distance below sea level with respect to time is given as 11 feet/sec.
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1. Which is the best definition of absolute value?
A number's distance from 0 when plotted on a number line.
The difference between the number and 1.
O A number's equivalent fraction when plotted on a number line.
The sum of the number and 1.
hmmm divide by the secondary term using xyz as the componet, you can use the calculs formation theory (Rations of XYZ altitude) and use a graphical memorical chart, divide by the scale factor of the graphical line. than, you can use the geometry 1 2 formula (Learn it in 2 year of high school)
Find two consecutive even integers whose sum is 26.
Answer:
4k+2 (when k=6)
5k+6 (when k=4)
Step-by-step explanation:
Answer:
14
12
Step-by-step explanation:
Just run through possible even numbers up till 26.
14 + 12 = 26 and they are two consecutive even numbers
A space shuttle orbiting Earth travels a distance of about 64 miles in 8 seconds. What is the average speed of the space shuttle in miles per second?
miles per second
Answer:
8 mil/sec
Step-by-step explanation:
64 divided by 8
I need a helping hand please
Joseph compared the graphs of two functions.
The first function was f(x)=−2x+6.
The second function fits the values in the table:
x 2 5 8 11
y 2 -4 -10 -16
What is the distance between the y-intercepts of the two functions? To earn full credit, show your work using a method explained in the Orientation.
Answer:
There is no separation (distance) between the first y-intercept (6) and the second (6).
Step-by-step explanation:
We'll assume that the table shows points on a straight line.
If we go from x = 2 to x = 8 (an increase of 6), the corresponding y values go from y =2 to y = -10 (a decrease of 12). Thus, the slope of the line represented by the table is
m = rise / run = -12/6, or m = -2.
We need to find the equation of the line represented by the table, so that we can know the y-intercept. Start with y = mx + b and substitute -2 for m:
y = -2x + b. We arbitrarily choose an ordered pair from the table, such as (11, -16). Here we substitute 11 for x and -16 for y:
-16 = -2(11) + b, or
-16 = -22 + b, which yields b = 6.
This is the same y-intercept as the '6' in the given f(x) = -2x + 6. So: There is no separation (distance) between the first y-intercept (6) and the second (6).