Answer: nose hermano raro
Step-by-step explanation:
Find the volume of a rectangle box given the length of x, width of (x-2) and height of (3x+5)
Answer:
3x^3 − x^2 − 10x
Step-by-step explanation:
V= l*w*h
V= x * (x-2) * (3x+5)
V= (x(x−2)) (3x+5)
= (x(x−2)) (3x) + (x(x−2)) (5)
= 3x^3 − 6x^2 + 5x^2 − 10x
=3x^3 − x^2 − 10x
Geometry pls help me
The radius of the given circle is 7.5 units.
What is the radius?A circle or sphere's radius is any line segment that connects the object's center to its perimeter in classical geometry; in more contemporary usage, it also refers to the length of such line segments. The word "radius" is derived from Latin and means "ray" as well as "the spoke of a chariot wheel."The diameter of a circle cuts through the center while the radius extends from the center to the edges of the circle. The diameter of a circle effectively divides the shape in half.So, use the Pythagorean theorem:
Where, c² = a² + b².We know that, AB² = AC² + CB².Now, calculate as follows:
AB² = AC² + CB²AB² = 12² + 9²AB² = 144 + 81AB² = 225AB = √225AB = 15
So, the diameter is 15 units.
Then the radius is:
15/2 = 7.5 unitsTherefore, the radius of the given circle is 7.5 units.
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Pl help it’s for a grade I will give you a Brainly if right
Answer: a= (4x-1)(6x+9)
Step-by-step explanation:
area= length x width
Answer:
below
Step-by-step explanation:
24 x 2 + 30 x − 9
Ill give brainliest to CORRECT ANSWER!
Answer:
A
Step-by-step explanation:
2 + 12 = 14 = 4 + 10
Answer:
A or 12
Step-by-step explanation:
2 + z = 4 + 10
2 + z = 14
z = 12
A
Here is a system of equations: 6.2 -y= 18 4x + 2y = 26 Select all the steps that would help to eliminate a variable and enable solving. Divide the second equation by 2. then add the result to the first equation. Multiply the first equation by 2. then add the result to the second equation. Multiply the first equation by 4 and the second equation by 6, then subtract the resulting equations. O Multiply the second equation by 6, then subtract the result from the first equation. Multiply the first equation by 2. then subtract the second equation from the result.
to eliminate the variable y
we have steps are,
1) Divide the second equation by 2. then add the result to the first equation
or
2) Multiply the first equation by 2. then add the result to the second equation
or
3) Multiply the first equation by 4 and the second equation by 6, then subtract the resulting equations.
so the answer is the first three options.
Jeffrey has a fish tank that holds 8 liters of water. He already has the tank filled with 1 liter of water. How many more milliliters of water does Jeffrey need to completely fill the fish tank
Jeffrey has a fish tank that holds 8 liters of water. He already has the tank filled with 1 liter of water. Thus, to fill the fish tank completely with water, Jeffrey needs 7000 milliliters of water.
This is because 1 liter is equal to 1000 milliliters. Thus, 8 liters are equal to 8 × 1000 = 8000 milliliters.
Therefore, the amount of water Jeffrey needs to completely fill the fish tank is 8000 - 1000 = 7000 milliliters of water.
Jeffrey has a fish tank of 8 liters of water that already has 1 liter of water in it.
The amount of water Jeffrey needs to completely fill the fish tank is calculated by subtracting the liters of water already present in the tank from the total liters of water the tank can hold.To completely fill the fish tank, Jeffrey needs to fill the remaining 7 liters with water. One liter of water is equivalent to 1000 milliliters. Thus, Jeffrey needs to multiply the remaining liters of water he needs to fill by 1000 milliliters.
7 × 1000 = 7000
Therefore, Jeffrey needs 7000 milliliters of water to completely fill the fish tank with water.
To completely fill the fish tank, Jeffrey needs 7000 milliliters of water because he has already filled it with 1 liter of water, and the fish tank can hold 8 liters of water.
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Graph the reflection of the polygon in the given line #11
Let:
\(\begin{gathered} A=(2,-1) \\ B=(-1,2) \\ C=(2,3) \\ D=(4,2) \end{gathered}\)After a reflection across the line y = x:
\(\begin{gathered} A->(y,x)->A^{\prime}=(-1,2) \\ B->(y,x)->B^{\prime}=(2,-1) \\ C->(y,x)->C^{\prime}=(3,2) \\ D->(y,x)->D^{\prime}=(2,4) \end{gathered}\)
what percentage of persons who lose weight are able to maintain it for more than a year?
Answer: 20%
Step-by-step explanation:
0.028 as a fraction. Answer plss
What is the value of x in cm
Answer:
13.5
Step-by-step explanation:
look at the bottom and line it up to the top
The following set R defines an equivalence relation on the set {1, 2, 3}, where a R b means that (a, b) ∈ R.
R = {(1, 1), (2, 2), (3, 3), (2, 3), (3, 2)}
What are the equivalence classes?
The equivalence classes are [1] = {1} and [2] = [3] = {2, 3}.
The equivalence classes of the set R, which defines an equivalence relation on the set {1, 2, 3}, are as follows:
1. Identify the elements of the set: {1, 2, 3}
2. Group elements according to the equivalence relation R = {(1, 1), (2, 2), (3, 3), (2, 3), (3, 2)}
3. Create equivalence classes based on R:
- [1] = {1} (since only (1, 1) ∈ R)
- [2] = {2, 3} (since (2, 2), (2, 3), and (3, 2) ∈ R)
- [3] = {2, 3} (since (3, 3), (2, 3), and (3, 2) ∈ R)
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find f(t). ℒ−1 e−s s(s + 1)
To find the inverse Laplace transform of ℒ{e^(-s) / [s(s + 1)]}, we can use partial fraction decomposition and known Laplace transforms.
First, let's express the given function in partial fraction form:
e^(-s) / [s(s + 1)] = A/s + B/(s + 1)
To find A and B, we multiply both sides by s(s + 1) and then substitute appropriate values of s to simplify and solve for the coefficients:
e^(-s) = A(s + 1) + Bs
Setting s = 0, we get:
1 = A(0 + 1)
A = 1
Setting s = -1, we get:
e = B(-1)
B = -e
Therefore, the partial fraction decomposition is:
e^(-s) / [s(s + 1)] = 1/s - e/(s + 1)
Now, we can use the known Laplace transforms to find the inverse transform:
ℒ^(-1){1/s} = 1
ℒ^(-1){-e/(s + 1)} = -e^(-t)
Finally, we combine the inverse transforms:
f(t) = ℒ^(-1){e^(-s) / [s(s + 1)]} = ℒ^(-1){1/s} - ℒ^(-1){e/(s + 1)} = 1 - e^(-t)
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A mathematician develops a program to solve systems of linear equations. When they use distributed computing techniques to run the program on two computers in parallel, they find a speedup of 2. In this case, what does a speedup of 2 indicate
A speedup of 2 suggests that the program is efficiently utilizing the additional computational resources provided by the second computer, resulting in a significant reduction in computation time.
A speedup of 2 indicates that the program running on two computers in parallel is approximately twice as fast as running it on a single computer. In other words, the distributed computing techniques and parallel processing allow the mathematician to solve the systems of linear equations in half the time compared to running the program on a single computer.
Speedup is a measure of the improvement achieved by using parallel computing techniques. It quantifies the ratio of the time required to execute a task sequentially (on a single computer) to the time required to execute the same task in parallel (using multiple computers). A speedup of 2 suggests that the program is efficiently utilizing the additional computational resources provided by the second computer, resulting in a significant reduction in computation time.
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it takes avery 48 seconds to sprint 365m what is her average speed
PLEASE HELPP!!!! 30 POINTS!!!
In Triangle XYZ, A is the midpoint of XY, B is the midpoint of YZ, and C is the midpoint of XZ.
Also, AY = 7. BZ = 8, and XZ = 18. What is the perimeter of Triangle ABC?
Make sure you explain why and show all your work.
Answer:
The perimeter of triangle ABC is 33.
Explanation:
AY = 7 is half of the line of XY so we would then multiply 7 by 2:
7 x 2 = 14
and we would then do this to all of our numbers:
8 x 2 = 16
18 x 2 = 36
now we make a full equation for the answer of the perimeter of triangle XYZ:
14 + 16 + 36 = 66
66 is the perimeter of triangle XYZ.
We would then divide this answer by 2 to find the perimeter of ABC because it is half of XYZ:
66 ÷ 2 = 33
The perimeter of triangle ABC is 33
Hope this helps! :)
I need help on the answer
A bank received an initial deposit of $12,00, kept a percentage of this money in reserve based on a reserve rate of 6%, and the loaned out the rest. The amount it loaned out eventually was all deposited back into the bank. If this cycle continued indefinitely, how much money eventually resulted from the initial deposit
Answer:
Answer:
If this cycle continued indefinitely, how much money that eventually resulted from the initial deposit is
500,000 (C is the answer)
Answer:
$200,000
Step-by-step explanation:
The total amount deposited is the sum of an infinite geometric series. The first term of the series is $12,000, and the common ratio is 1 -0.06 = 0.94.
That is, 0.94 times $12,000 is loaned after the first deposit. When that loan amount is all deposited, 6% is kept in reserve, and $12,000×0.94² is loaned after that deposit.
Sum formulaThe formula for the sum of an infinite geometric series is ...
S = a/(1 -r)
where 'a' is the first term, and r is the common ratio..
ApplicationFor the given series, a=12000, and r=0.94 so the sum is ...
S = 12000/(1 -0.94) = 12000/0.06 = 200,000
The result of the initial deposit will eventually be $200,000.
__
Additional comment
In economics, the inverse of the reserve ratio is called the "deposit multiplier."
the more variable the data, the _______ accurate the sample mean will be as an estimate of the population mean.
The more variable the data, the less accurate the sample mean will be as an estimate of the population mean. In statistical analysis, accuracy is important. Statistical analysis is a method of gathering and examining data to uncover useful information.
A sample mean is a numerical estimate that represents a data set's central tendency. The population mean, on the other hand, is a statistical measure that represents the mean value of the entire population. The difference between the two lies in the fact that sample mean is computed on a subset of the population whereas population mean is calculated for the entire population. If the variability of the sample data is large, the sample mean becomes less accurate as an estimate of the population mean.
As a result, the more variable the data, the less accurate the sample mean will be as an estimate of the population mean.Therefore, it is essential to examine the variability of the data in order to better estimate the population mean. The greater the variability in the data, the more difficult it becomes to identify the true population mean and the less accurate the sample mean is as an estimator of the population mean.
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Write an equasion of the line that passes through (0,-2) and (4,10)
Answer:
12.649
Step-by-step explanation:
we can use Pythagoras to solve this; simply by forming a triangle of the difference between the x and y values. (I added a lil-sketch of it).
So, we just need to find the length of the two sides:
Vertical side: 12
Horizontal side: 4
Thus;
\(4^{2} + 12^{2} = c^{2} \\160 = c^{2}\\Side c is equal to 12.649 (in whatever unit given)\)
Part B: If Susan originally has 7 yards of fabric, how much is left over after making the aprons? Show every step of your work. (5 points).
Based on fractional values, if Susan originally has 7 yards of fabric, after making 3 aprons consuming 5⁵/₈ yards, the quantity of fabric left is 1³/₈ yards.
What are fractional values?Fractional values are the results of fractional computations.
Fractions may be proper, improper, and complex fractions, depending on the values of the denominators and the numerators.
Algebraic expressions that have fractions are stated as fractional values.
The original quantity of fabric that Susan has = 7 yards
The quantity of fabric used for the front of each apron = 1¹/₄ yards
The quantity of fabric used for the tie of each apron = ⁵/₈ yards
The total quantity of fabric used for each apron = 1⁷/₈ yards (1¹/₄ + ⁵/₈)
The total quantity of fabric used for the 3 aprons made = 5⁵/₈ yards (1⁷/₈ x 3)
Therefore, the remaining quantity of fabric that Susan has after making the 3 aprons = 1³/₈ yards (7 - 5⁵/₈).
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Question Completion:Susan first made 3 aprons using 1¹/₄ yards for the front and ⁵/₈ yards for the tie.
Please make sure you answer both parts of the question. Remember to properly format your function.The hat that George bought turned out to previously belong to a magician! Initially, 3 rabbits hopped out of the hat. Each day after that, double thenumber of rabbits from the previous day appeared.1: Write an exponential function that can be used to model this function.2: How many rabbits appeared on the 13th day?
Solution
Question 1:
\(\begin{gathered} \text{ On day 1, 3 rabbits hopped out} \\ \text{ On day 2, }3\times2=6\text{ rabbits hopped out} \\ \text{ On day 3, }3\times2\times2=3\times2^2\text{ rabbits hopped out} \\ \text{ On day 4, }3\times2\times2\times2=3\times2^3\text{ rabbits hopped out} \\ \\ \text{Following this pattern, we can find the number of rabbits that will hop out on a day n.} \\ \\ \text{ On day }n,3\times2\times2\times2\ldots\times2=3\times2^{n-1}\text{ rabbits hopped out} \\ \\ \text{Thus, the exponential function to model this scenario is given below as } \\ \\ f(n)=3\times2^{n-1} \end{gathered}\)Question 2:
\(\begin{gathered} \text{The question is asking for the number of rabbits that will hop out on day 13} \\ \text{ We can simply apply our formula and this implies that }n=13 \\ \\ \therefore f(13)=3\times2^{13-1} \\ \\ f(13)=3\times2^{12}=12,288 \\ \\ \text{Thus, the number of rabbits that will hop out of the hat on the 13th Day is 12,288} \end{gathered}\)Final Answer
Question 1:
The exponential function to model the scenario is
\(f(n)=3\times2^{n-1}\)
Question 2:
The number of rabbits that will hop out of the hat on the 13th Day is 12,288 rabbits
Write down the indicated trigonometric value and write as decimal and round to thousandths place
The trigonometric values for a right triangle can be obtained through the measurements of the different sides,
\(\begin{gathered} sin(\theta)=\frac{op}{hyp} \\ cos(\theta)=\frac{ad}{hyp} \\ tan(\theta)=\frac{op}{ad} \end{gathered}\)this can be found in a triangle like this,
then, identify the measurements in the given triangle
then,
\(\begin{gathered} sin(A)=\frac{10}{26}=\frac{5}{13} \\ cos(A)=\frac{24}{26}=\frac{12}{13} \\ tan(A)=\frac{10}{24}=\frac{5}{12} \end{gathered}\)
A candy store sells Nerds in two different sizes. Which is the best buy?
14 oz. for $4.20 OR 18 oz. for $5.04
Answer: 18oz
Step-by-step explanation:
solve using the quadratic formula:
3x=2x^2-2
Answer:
\(x=2\\x=-\frac{1}{2}\)
Step-by-step explanation:
1) Move terms to the left side.
\(3x=2x^{2} -2\\3x-(2x^{2}-2)=0\)
2) Distribute.
\(3x-(2x^{2} -2)=0\\3x-2x^{2} +2=0\)
3) Rearrange terms.
\(3x-2x^{2} +2=0\\-2x^{2} +3x+2=0\)
4) Common factor.
\(-2x^{2} +3x+2=0\\-(2x^{2} -3x-2)=0\)
5) Divide both sides of the equation by the same term.
\(-(2x^{2} -3x-2)=0\\2x^{2} -3x-2=0\)
6) Use the quadratic formula.
\(x=\frac{-b+\sqrt{b^{2}-4ac } }{2a}\)
Once in standard form, identify a, b, and c from the original equation and plug them into the quadratic formula.
\(2x^{2} -3x-2=0\\a=2\\b=-3\\c=-2\)
\(x=\frac{-(-3)+\sqrt{(-3)^{2} -4*2(-2)} }{2*2}\)
7) Simplify.
Evaluate the exponent
\(x=\frac{3+\sqrt{(-3)^{2}-4*2(-2) } }{2*2}\)
\(x=\frac{3+\sqrt{9-4*2(-2)} }{2*2}\)
Multiply the numbers
\(x=\frac{3+\sqrt{9-4*2(-2)} }{2*2}\)
\(x=\frac{3+\sqrt{9+16} }{2*2}\)
Add the numbers
\(x=\frac{3+\sqrt{9+16} }{2*2}\)
\(x=\frac{3+\sqrt{25} }{2*2}\)
Evaluate the square root
\(x=\frac{3+\sqrt{25} }{2*2} \\x=\frac{3+5}{2*2}\)
Multiply the numbers
\(x=\frac{3+5}{2*2}\)
\(x=\frac{3+5}{4}\)
8) Seperate the equations.
To solve for the unknown variable, separate into two equations: one with a plus and the other with a minus.
\(x=\frac{3+5}{4}\)
\(x=\frac{3-5}{4}\)
9) Solve.
Rearrange and isolate the variable to find each solution.
\(x=2\\x=-\frac{1}{2}\)
toms water bottle can hold up to 32 ounces of water. each day he drinks more than 2 full bottles of water. which inequality correctly describes the number of ounces of water, w, that tom drinks each day?
The inequality that correctly describes the number of ounces of water, w, that tom drinks each day is d. 64<w.
Amount of water that the bottle can hold = 32 ounces
Bottles of water consumed = 2
A mathematical comparison and representation of the connection between two expressions is known as an inequality. It can be regarded as a generalisation of an equation and is denoted by signs such as <, > and =.
Tom consumes more than two complete bottles of water every day. Since each bottle can carry up to 32 ounces of water, we can describe Tom's daily water consumption as -
= w > 2 × 32
Therefore,
Simplifying the right side of the inequality:
w > 64
Complete Question:
Toms water bottle can hold up to 32 ounces of water. each day he drinks more than 2 full bottles of water. which inequality correctly describes the number of ounces of water, w, that tom drinks each day?
a. w>2
b. 32<w
c. w = 64
d. 64<w
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3x-3y=-6
3x+y=10 use subtraction please help thank you
need an ordered pair
Answer:
x=2, y=4. (2, 4).
Step-by-step explanation:
3x-3y=-6 implies 3(x-y)=3(-2), so x-y=-2.
-----------------------------
x-y=-2
3x+y=10
---------------
4x=8
x=8/4=2
2-y=-2
y=2-(-2)=2+2=4
Work out the value of the expression 2n + 1 when n= -5.
11
Step-by-step explanation:
2 times 5 +1=11
Answer:
2n+1=-5
2n=-5-1
2n=-6
n=-6÷2
n=-3
5y = 8x
Direct variation
K=?
Not direct variation
Given statement :- 5y = 8x does not represent direct variation.
K= the coefficient is 8/5 instead of a single constant value.
In the equation 5y = 8x, we can determine whether it represents direct variation by comparing it to the general form of a direct variation equation: y = kx, where k is the constant of variation.
If we rewrite the given equation in the form y = kx, we divide both sides by 5 to isolate y:
y = (8/5)x
Comparing this to the general form, we can see that the given equation is not in the direct variation form. In a direct variation equation, the coefficient of x (the constant of variation, k) should remain constant, but in this case, the coefficient is 8/5 instead of a single constant value.
Therefore, the given equation does not represent direct variation.
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Can anyone please help me with this question?
Question: If α and β are the roots of 4x^2 + 3x + 7 = 0, find the value of 1/ α + 1/ β
The numeric value of the expression 1/α + 1/β is given as follows:
-3/7.
How to obtain the numeric value of the expression?The quadratic function in this problem is given as follows:
4x² + 3x + 7 = 0.
The coefficients of the quadratic function are given as follows:
a = 4, b = 3, c = 7.
The sum of the roots is given as follows:
α + β = -b/a.
Hence:
α + β = -3/4
The product of the roots is given as follows
αβ = c/a
Hence:
αβ =7/4.
These values are used to obtain the numeric value of the expression, as follows:
1/α + 1/β = (α + β)/αβ = (-3/4)/(7/4) = -3/7.
(the least common multiple of α and β is αβ, and then the least common factor is used to solve the expression).
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Death Valley National Park, in California and Nevada, is the site of the lowest elevation in the Western Hemisphere. Bad water Basin in the park is about 86 meters below sea level.