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3 years ago

What is 529 times 65 =

Mathematics

2 answers:

stira [4]3 years ago

8 0

The answer is going to be 34385. hope that helped

riadik2000 [5.3K]3 years ago

6 0

You should use a calculator for this type of question, but the answer would be 8.14 rounded to the nearest hundredth

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Solve for x -2(4x-3)=30<br> X=-2 <br> X=-3<br> X=-4<br> X=-6

Sergio039 [100]

Answer:

Step-by-step explanation:

x-2(4x-3)=30

x-8x+6=30

-7x=30-6

-7x=24

x=-24/7 maybe it is a mistake in the statement of the problem

8 0

3 years ago

Read 2 more answers

Determine whether each function represents exponential growth or decay. Select the correct option for each function

vfiekz [6]

Answer:

Determine whether each function represents exponential growth or decay

If a is positive and b is greater than 1 , then it is exponential growth. If a is positive and b is less than 1 but greater than 0 , then it is exponential decay.

Step-by-step explanation:

3 0

3 years ago

ou are interested in estimating the the mean age of the citizens living in your community. In order to do this, you plan on cons

PolarNik [594]

Answer:

$(\frac{4\sigma}{2.056})^2$ , rounded up, if needed, citizens should be included in the sample, in which $\sigma$ is the standard deviation of the population.

Step-by-step explanation:

We have that to find our $\alpha$ level, that is the subtraction of 1 by the confidence interval divided by 2. So:

$\alpha = \frac{1 - 0.96}{2} = 0.02$

Now, we have to find z in the Ztable as such z has a pvalue of $1 - \alpha$ .

That is z with a pvalue of $1 - 0.02 = 0.98$ , so Z = 2.056.

Now, find the margin of error M as such

$M = z\frac{\sigma}{\sqrt{n}}$

In which $\sigma$ is the standard deviation of the population and n is the size of the sample.

Within 4 years of the actual mean

We have to find n for which M = 4. So

$M = z\frac{\sigma}{\sqrt{n}}$

$4 = 2.056\frac{\sigma}{\sqrt{n}}$

$2.056\sqrt{n} = 4\sigma$

$\sqrt{n} = \frac{4\sigma}{2.056}$

$(\sqrt{n})^2 = (\frac{4\sigma}{2.056})^2$

$n = (\frac{4\sigma}{2.056})^2$

$(\frac{4\sigma}{2.056})^2$ , rounded up, if needed, citizens should be included in the sample, in which $\sigma$ is the standard deviation of the population.

8 0

3 years ago

Need help with practice test question

Roman55 [17]

Answer24

Step-by-step explanation: Expain what do you think do your best

3 0

3 years ago

Which of the following is not an inertial reference frame? Which of the following is not an inertial reference frame?

hammer [34]

An inertial reference frame is a frame of reference in which a body remains at rest OR moves with a constant LINEAR velocity. Answer choices A, C, and D are moving linearly at a constant rate and are all inertial frames of reference. Answer choice E is motionless, and is therefor an inertial frame of reference. Answer choice B is rotating at a constant rate. Rotation is not an inertial frame of reference.
Therefor, the answer is B.

7 0

3 years ago