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3 years ago

How do I find the cost for the sales tax if the price is $7 and the sales tax is 8% or 0.08

Mathematics

2 answers:

gayaneshka [121]3 years ago

8 0

Do 7 times 0.08. You should get 0.56. That's the tax

galina1969 [7]3 years ago

7 0

Multiply 7 by 0.08 and you get $0.56. $0.56 is the tax. For other tax questions just multiply the price and the sales tax as the decimal.

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The volume of a sphere is 972π cubic millimeters. What is the circumference of the great circle of the sphere? (Recall that the

Mashcka [7]

$\boxed{\boxed{\text {Volume =} \dfrac{4}{3} \pi r^3}}$

Given that the volume is 972π mm³, find radius:

$972\pi = \dfrac{4}{3} \pi r^3$

$r^3 = 972\pi \div \dfrac{4}{3} \pi$

$r^3 = 729$

$r = \sqrt[3]{729}$

$r = 9 \text{ mm}$

Find Circumference:

$\boxed { \boxed {\text{Circumference = }2 \pi r}}$

$\text{Circumference = }2 \pi (9)$

$\text{Circumference = }18 \pi \text{ mm}$

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2 years ago

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melamori03 [73]

Let the first consecutive number be $n$ then,

$n + (n+1) = 115$ , since they are consecutive, n+1 is the next number.
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Hence the two consecutive numbers that sum to 115 are 57 and 58.

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3 years ago

Part A (4 points): Tonya selected a pair of shoes for the regular price of $80. How much money will she save by using the 20% of

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Find an equation for the circle that has center (−3, 4) and passes through the point (4, −2).

dsp73

First use the coordinate of the center to start building your equation. The equation of a circle recall is
${(x - h)}^{2} + {(y - k)}^{2} = {r}^{2}$
With the center point being (h,k).

Once you put in the centers coordinates, your equation should be,
${(x + 3)}^{2} + {(y - 4)}^{2} = {r}^{2}$
However we still need to find the radius. We can do this using the second point given, by putting it into the equation and solving for the radius.
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Solving this gives us the final part of the equation.
$85 = {r}^{2}$
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2 years ago

Which numbers are necessary to solve this problem?

valkas [14]

The answer would be C., Hope this helps

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3 years ago