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erastova [34]
2 years ago
8

A t-shirt costs $16.50 with the total cost, including tax coming to $17.66. what was the tax rate? (% of change)

Mathematics
1 answer:
VMariaS [17]2 years ago
3 0
7.03%

17.66 (after tax) - 16.50 (original price)= 1.16 (tax amount)

1.16 is 7.03% of the original price


you can check by multiplying 16.5*1.0703 to see the effect of tax and that 7.03% is the percent change
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Use the formula d =rt to find the distance d a long distance runner can run at a rate r of 9 1/2 miles per hour for time t of 1
shtirl [24]
D=rt
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This will give you:
d=(9.5)(1.75)

Then you solve:
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You should probably convert that decimal answer into a fraction since you're question gave it to you as a fraction.
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2 years ago
Coach Yip decides to order pizza delivery for the team after a game. The pizza shop is having a promotion where any large pizza
Nana76 [90]
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3 years ago
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The heights of the trees in a forest are normally distributed, with a mean of 25 meters and a standard deviation of 6 meters. Wh
Alla [95]

Answer:

2.3%

Step-by-step explanation:

The formula to convert x into z distribution is

z=\frac{x-\mu}{\sigma}

Where z is the test statistic

x is what we are looking for (in this case 37)

\mu is the mean (in this case, it is 25)

\sigma is the standard deviation (we have 6)

<em>Plugging these into the formula, we get:</em>

z=\frac{x-\mu}{\sigma}\\z=\frac{37-25}{6}\\z=2

Thus we can say we want P(z\geq 2)

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The table given is for any  z where P(z\leq a)

Thus, now we have:

P(z\geq 2)\\=1-P(z\leq 2)\\=1-0.9772\\=0.0228\\

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Third answer choice is right.

3 0
3 years ago
1 substitute p=5, q=7, r = -2
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1.

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3(11) + 7 - 2

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2.

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2(3(2) + 4(3))

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(3)²(2 + (-5)²)

9(2 + 25)

9(27) = 243


c.) 3m(8 + n) + n²

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3 0
2 years ago
I couldnt deal with it...
Nikolay [14]

Answer:

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Step-by-step explanation:

how do u solve it lol

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