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3 years ago

4y+6 for y-12 Evaluate the expression.

Mathematics

1 answer:

Vedmedyk [2.9K]3 years ago

5 0

Answer:

Step-by-step explanation:

I think what you mean is y = 12, so I'll just go off that. So we substitute 12 for y and we get 4*12 + 6. Then we multiply. 48 + 6 and we get 54! I hope this helped and please mark brainliest!

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Answer:

Part A- yes, because all 3 sides are Equal (each side is 5)

Part B- yes, each rectangle has the dimensions 12*5

Part C- yes- since the sides are 5 and 12 you can determine that the diagonal is 13, using they Pythagorean theorem $a^{2} +b^{2} =c^{2}$

$5^{2} +12^{2} =13^{2} \\25+144=169$ - true statement, so the lateral sides are rectangles, because the corners are 90

Part D- $4\sqrt{2}$ (it is a 45-45-90 triangle- so the hypotenuse is the side length times $\sqrt{2}$

Part E- the diagonal face as the largest area- dimensions are $4\sqrt{2} * 12\\$

the area would be $48\sqrt{2}$

Step-by-step explanation:

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2 years ago

A department store buys 300 shirts at a cost of $1 comma 800 and sells them at a selling price of $10 each. Find the percent m

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Answer:

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Step-by-step explanation:

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3 years ago

Evaluate the following expression for x=-2 -4x+8+2x+3

sergiy2304 [10]

Answer:

Step-by-step explanation:

x = 2

-4x+8+2x+3 = ?

-4 (-2) + 8 + 2 (-2) + 3 =

= 8 + 8 - 4 + 3

= 16 - 4 + 3

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hopefully this helped you :)

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3 years ago

I give brainliest if the answer is correct

nirvana33 [79]

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2 years ago

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