3 years ago

Michelle’s mom is letting her paint her room pink. What formula would she use to figure out how much paint she needs.

Mathematics

1 answer:

postnew [5]3 years ago

6 0

There’s no picture or anything so try again

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The price of a DVD is $19 . The price is 12% lower than last week. What was the price of the DVD last week? Round your answer to

nataly862011 [7]

Answer:

The original cost of the DVD was $21`.59

Step-by-step explanation:

In order to find this, you first must note that the new price is 88% of the older price. We get this since there was a subtraction of 12%.

Now knowing that, we can divide the new price by the percentage paid and it will give us the original price.

$19/88% = Original Cost

19/.88 = Original Cost

$21.59 = Original Cost

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3 years ago

$54,000 at 7% for 3 years

solniwko [45]

The answer to this problem is 11340
Multiply 54,000 by 7% (7/100) by 3
remember i=prt ( interest= principal, rate, time

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3 years ago

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Given the formula b=rs/t solve for s

Gekata [30.6K]

Answer:

$s = \frac{bt}{r}$

Step-by-step explanation:

To solve for s, you need to follow these steps.

First multiply by t both sides of the equation.

$b = \frac{rs}{t}$

$bt = \frac{rst}{t}$

We get $bt = rs$

Now we divide by r, both sides of the equation.

$\frac{bt}{r} = \frac{rs}{r}$

Finallly we obtain:

$\frac{bt}{r} = s$ or

$s = \frac{bt}{r}$

7 0

3 years ago

Diego is 59.5 inches tall. His brother is 40.125 inches tall. How much taller than his brother is Diego?

Paha777 [63]

Answer:

Hello!!

Diego is 59.5 inches tall. His brother is 40.125 inches tall. How much taller than his brother is Diego?

Diego is 19.375 inches taller than his brother.

Step-by-step explanation:

$59.5-40.125=19.375$

Hope this helps!!

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3 years ago

0.9a - 2.3b =<br> Help me outtt :(

Romashka [77]

The answer is 1/10 x (9a-23b)

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3 years ago