4 years ago

Find the line that best fits. Note that values have been rounded.

Mathematics

1 answer:

LuckyWell [14K]4 years ago

5 0

The answer is A hope this helps

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Jim earned $140 during the summer doing chores. He bought 2 sets of pens worth $25 each using his chore money. How much money wa

Degger [83]

Jim has $90 from is chore money left.

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3 years ago

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All the items on the sale rack were 75 percent off their original price.

tresset_1 [31]

Answer:

112 $ is the original price

Step-by-step explanation:

$x \times 0.75 = 84 \\ x = 84 \div 0.75 \\ x = 112$

you have to think that the original price multiplied by 0.75 (also known as 75%) gave the result of what he saves i.e 84 $. So we put up an equation with the original price multiplied by 75% which equals the 84 $ he saved on buying that item on sale

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3 years ago

If 2x+5= 12 for some value of x, then what does 6x+20 equal???

ANEK [815]

1. Solve for x in 2x + 5 = 12
2x + 5 = 12 Subtract 5 from both sides.
2x = 7 Divide 2 from both sides.
x = 3.5

2. Substitute 3.5 in for x in 6x + 20
6(3.5) + 20
21 + 20
41

Your answer is 41.

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3 years ago

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Factorize 225-49<br><img src="https://tex.z-dn.net/?f=%20%7Bx%7D%5E%7B2%7D%20" id="TexFormula1" title=" {x}^{2} " alt=" {x}^{2}

erica [24]

$225-49x^2$