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3 years ago

What is 710 dollars plus tax please help 100 points!!!!!!!!!!!!!!!!!!!!

2 answers:

8 0

This is 5 points dude, not 100. (jk I'll help!)

To find tax, you would multiply your total amount by your tax percentage. You didn't provide us with what the tax percentage was, so I'll give you what you should do, which is:

D=710+(710*t)

Where <span>t is your tax percentage and D is your final amount in dollars.

If you can provide us with the tax percentage, I would be happy to help you do that as well.

:)</span>

Nimfa-mama [501]3 years ago

6 0

$713 is the $710 with tax

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Step-by-step explanation:

a) To approximate this distribution we have to calculate the mean and the standard distribution.

The mean is the proportion p=0.85.

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$\sigma=\sqrt{\frac{p(1-p)}{n} }= \sqrt{\frac{0.85*(1-0.85)}{100} }=0.04$

To calculate the probability that Jodi scores 78% or less on a 100-question test, we first calculate the z-value:

$z=\frac{p-p_0}{\sigma} =\frac{0.78-0.85}{0.04} =-1.75$

The probability for this value of z is

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The probability that Jodi scores 78% or lower on a 100-question test is 4%.

b) In this case, the number of questions is 250, so the standard deviation needs to be calculated again:

$\sigma=\sqrt{\frac{p(1-p)}{n} }= \sqrt{\frac{0.85*(1-0.85)}{250} }=0.02$

To calculate the probability that Jodi scores 78% or less on a 250-question test, we first calculate the z-value:

$z=\frac{p-p_0}{\sigma} =\frac{0.78-0.85}{0.02} =-3.5$

The probability for this value of z is

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The probability that Jodi scores 78% or lower on a 250-question test is 0.023%.

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Step-by-step explanation:

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3 years ago

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Alexus [3.1K]

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$q^{-30}$

Step-by-step explanation:

Given the expression:

$((p^2) (q ^5)) ^{-4} X ((p ^{-4}) (q^5)) ^{-2}$

First, we open the outer brackets

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Therefore:

$((p^2) (q ^5)) ^{-4} X ((p ^{-4}) (q^5)) ^{-2}=q^{-30$

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3 years ago

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