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3 years ago

How do i solve -8e=4

2 answers:

5 0

The -8 isn’t being multiplied by the e.

So, you need to divide it to the other side.

4/-8=-.5

e=-.5

I hope this helps!
~kaikers

artcher [175]3 years ago

5 0

You divide -8 on both sides and you get -4/8.

You simplify -4/8 to -1/2 and that is the answer.

Hope this helped:-)

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A regular polygon has an exterior angle of 8. what is the sum of all the interior angles

Bogdan [553]

Answer:

7740 degrees.

Step-by-step explanation:

The sum of the exterior angles of all polygons add up to 360 degrees.

So the number of sides and the number of interior angles in this polygon = 360 / 8 = 45.

Each internal angle = 180 - 8 = 172 degrees, so the sum of all interior angles

= 172 * 45

= 7740 degrees,

8 0

3 years ago

6TH GRADE MATH!!! I NEED HELP ASAP

aleksandr82 [10.1K]

Step-by-step explanation:

you would start by replacing the "x" with the 9

subtract the 15 and 9

then that would equal 6 which in this case it would be equal to

I'm pretty sure (sorry if it is wrong)

8 0

3 years ago

Read 2 more answers

What is the polynomial of f(x) of a degree of 3 that has the following zeros?

makvit [3.9K]

Answer:

Step-by-step explanation:

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3 years ago

Evaluate the expression when x=3 and y= -2

Paul [167]

Answer:

-11

Step-by-step explanation:

To evaluate an expression with variables, replace the variables with what the question tells you to.

Replace "x" with 3. Replace "y" with -2.

-x + 4y

= -(3) + 4(-2) Multiply 4 and -2 first to get -8

= (-3) + (-8) Add normally. -3 + (-8) is the same as (-3) - 8.

= -11 Answer

Therefore the solution is -11.

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4 years ago

Suppose that many large samples are taken from a population and that the

rewona [7]

Answer:

$0.22 -1 *0.029 =0.191$

$0.22 +1 *0.029 =0.249$

And the best option would be:

D. (0.191 to 0.249)

Step-by-step explanation:

For this case we know that the mean is:

$\bar X = 0.22$

And the standard error is given by:

$SE = 0.029$

We want to construct a 68% confidence interval so then the significance level would be :

$\alpha=1-0.68 = 0.32$ and $\alpha/2 =0.16$ . The confidence interval is given by:

$\bar X \pm z_{\alpha/2} SE$

Now we can find the critical value using the normal standard distribution and we got looking for a quantile who accumulate 0.16 of the area on each tail and we got:

$z_{\alpha/2}= 1$

And replacing we got:

$0.22 -1 *0.029 =0.191$

$0.22 +1 *0.029 =0.249$

And the best option would be:

D. (0.191 to 0.249)

5 0

3 years ago