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2 years ago

What's 5-5 You're welcome <3

Mathematics

2 answers:

Grace [21]2 years ago

4 0

Answer:

I'll make it a little harder for me and add some other equations to this so first off.

Step-by-step explanation:

5-5 is 0.

5 plus 5 is 10 as looking at my last problem/ equation :))

5x5 is 25.

5 divided by 5 is 1, because any number divided by itself is 1.

-5 plus -5 is positive 10

Jlenok [28]2 years ago

3 0

The answer is 0, um if you think about it

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kvv77 [185]

The answer rounded is ~ 0.0055

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2 years ago

Elenna [48]

Parallel lines are in the same plane, never intersect, and have the same slope.

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2 years ago

Model -5 + (-6) on the number line

Arisa [49]

Answer:

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Step-by-step explanation:

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3 years ago

The daily revenues of a cafe near the university are approximately normally distributed. The owner recently collected a random s

lbvjy [14]

Answer:

The sample size to obtain the desired margin of error is 160.

Step-by-step explanation:

The Margin of Error is given as

$MOE=z_{crit}\times\dfrac{\sigma}{\sqrt{n}}$

Rearranging this equation in terms of n gives

$n=\left[z_{crit}\times \dfrac{\sigma}{M}\right]^2$

Now the Margin of Error is reduced by 2 so the new M_2 is given as M/2 so the value of n_2 is calculated as

$n_2=\left[z_{crit}\times \dfrac{\sigma}{M_2}\right]^2\\n_2=\left[z_{crit}\times \dfrac{\sigma}{M/2}\right]^2\\n_2=\left[z_{crit}\times \dfrac{2\sigma}{M}\right]^2\\n_2=2^2\left[z_{crit}\times \dfrac{\sigma}{M}\right]^2\\n_2=4\left[z_{crit}\times \dfrac{\sigma}{M}\right]^2\\n_2=4n$

As n is given as 40 so the new sample size is given as

$n_2=4n\\n_2=4*40\\n_2=160$

So the sample size to obtain the desired margin of error is 160.

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3 years ago

In an inventory-sale, a department store offers 60% off on the original price of their selected clothes. What fraction is taken

Colt1911 [192]

I believe three fifths would be taken off.

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2 years ago