Simplify $\sqrt{288}$.

Evaluate the algebraic expression h + r when b = 3, d = 12, h = 2 and r = 7.

UkoKoshka [18]

Answer is 9

To get this answer, we replace h with 2, and replace r with 7. This is because h = 2 and r = 7 is given to us

So
h+r = 2+7 = 9

4 0

3 years ago

Read 2 more answers

Does anyone know how to do this ?

goldenfox [79]

Answer: D) 32

Step-by-step explanation:

The area of a parallelogram equals its base times its height. Substitute the base and area into this formula to solve for the height:

A=bh

40=(5)(h)

h=8

If ABCD is a parallelogram, opposite sides are parallel, so AB is parallel to DC. If AB is parallel to DC, EB is parallel to DC. Since EB is parallel to DC, quadrilateral EBCD has at least one pair of parallel sides, making it a trapezoid. The area of a trapezoid is equal to $\frac{h(b_{1}+b_{2}) }{2}$ where h is the height, $b_{1}$ is one base, and $b_{2}$ is the other base. Plug the necessary values into the formula:

A= $\frac{h(b_{1}+b_{2}) }{2}$

$b_{1} =AB-AE\\DC=AB\\b_{1} =DC-AE\\b_{1} =5-2\\b_{1} =3$

$b_{2} =5$

h=8

A= $\frac{8(3+5)}{2}$

A=32

The answer is D) 32.

6 0

3 years ago

F(x) = x2. What is g(x)?

mina [271]

Answer:

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Step-by-step explanation:

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3 0

3 years ago

Why is the central limit theorem important in statistics? a) Because for a large sample size n, it says the population is approx

Katarina [22]

Answer:

The correct option is (c).

Step-by-step explanation:

According to the Central Limit Theorem if we have a population with a known mean and standard deviation and appropriately huge random samples (n > 30) are selected from the population with replacement, then the distribution of the sample means will be approximately normally distributed.

Then, the mean of the distribution of sample means is given by, the population mean.

And the standard deviation of the distribution of sample means is given by,

$SD_{\bar x}=\frac{SD}{\sqrt{n}}$

So, the most basic and main objective of the Central limit theorem is to approximate the sampling distribution of a statistic by the Normal distribution even when we do not known the distribution of the population.

Thus, the correct option is (c).

4 0

3 years ago

(Simplify the expression and find its value when a = 5 and b = -3)<br> 2(a^2+ab)+3-ab

Oksana_A [137]

Answer:

38

Step-by-step explanation:

2( $a^{2}$ +ab) + 3 - ab