2 years ago

William and Shana plan to stain the concrete surface of their square-shaped driveway and of their patio.

1 answer:

4 0

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At what point in the order of operations should you simplify exponents in an expression?

Tamiku [17]

Second step
PEMDAS
Parenthesis exponents division addition subtraction

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3 years ago

Martin finds a shirt on sale for 10% of at a departnment store. The original price was $20. Martin must also pay 8.5% tax. How m

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3 years ago

20 points and brainliest if answered correctly

Elena L [17]

Answer:

$y=9,x=4$

Step-by-step explanation:

System of equations:

$x+y=13$

$60x+80y=960$

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simplify:(isolate x)

$x=$ $\frac{4(-y+12)}{3}$

$x+y=13\\$

substitute equation for x into second equation:

$\frac{4(-y+12)}{3} +y=13\\$

simplify:

$\frac{-y+48}{3}=13\\ y=9\\$

substitute y into equation for x:

$x=4$

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2 years ago

If it takes Jake 5 minutes to do 1 3rd of a mile how much miles would he do in a hour

BaLLatris [955]

Answer:

Step-by-step explanation:

it takes 15 mins to do 1 mile (3 times 5) and 60 mins divided by 15 would be 4 . so 4 miles

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2 years ago

1.Walmart has ice skates on sale for 15% off the regular price. A pair of ice skates usually costs $89. Find the amount of the d

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Discount - 13.35 sale price - 75.65

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