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4 years ago

A sweater is on sale for 30% off the ticketed price of $84. How much will the sweater cost after the discount?

1 answer:

3 0

84 x .70 = $58.80

Or if you want to do it the long way you can calculate the actual discount (your savings from this purchase first then subtract it from the original price of $84. It`s just easier to figure out what is left (which is 70% of $84).

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What is the perimeter of a rectangle with a. Length of 13 feet and a width of 9 feet

lisabon 2012 [21]

13 + 13 + 9 + 9
The perimeter is 44

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3 years ago

Read 2 more answers

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Nina [5.8K]

Answer:

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3 years ago

p varies jointly as q and the square of r, and p = 200 when q = 2 and r = 3. Find p when q = 5 and r= 2.

Margarita [4]

Step-by-step explanation:

If a variables varies jointly, we can just divide it by the other variables in relation to it.

For example, since p variables jointly as q and square of r, then

$\frac{p}{q {r}^{2} } = k$

where k is a constant

First, let find k. Substitute p= 200

q= 2, and r=3.

$\frac{200}{2(3) {}^{2} } = k$

$\frac{200}{18} = k$

$\frac{100}{9} = k$

Now, since we know our constant, let find p.

$\frac{p}{q {r}^{2} } = \frac{100}{9}$

Q is 5, and r is 2.

$\frac{p}{5( {2}^{2}) } = \frac{100}{9}$

$\frac{p}{20} = \frac{100}{9}$

$p = \frac{2000}{9}$

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2 years ago

PLZ HURRY 30 POINTS!!!!!!

VLD [36.1K]

Answer:

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3 years ago

meghan went to the mall and then out to eat with her friends. at the restaurant, meghan spent 3 dollars more than 1/2 the amount

Lerok [7]

She spent $23.25, how I got my answer.

I divided $13.50÷2=$6.75 then I added $6.75+3=$9.75 then I added $9.75+$13.50=$23.25.

I hope this helps.

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3 years ago