3 years ago

Question 10 of 10

Mathematics

1 answer:

Reil [10]3 years ago

4 0

please help me out please help me out please help me out

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Your answer should be 12.57

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Factor completely 2x^3+4x^2+6x+12

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Step-by-step explanation:

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a cardboard box holds 31.25 cubic inches of creamy butter. The butter is molded into a square prism that is 5 inches long. How m

lesya [120]

Answer:

$62.5 \:in^2$

Step-by-step explanation:

Volume of the butter in the cardboard = 31.25 cubic inches

Length of the Molded Square Prism =5 Inches

Let the length of the square cross sectional area = x

Volume of the Prism $=x^2l$

Since l=5 Inches

$5x^2=31.25\\x^2=6.25\\x=2.5\: Inches$

Next, we determine the surface area of the New Cardboard box to be made.

Length of the Cardboard Box=5 Inches

Length of the square cross sectional area = 2.5 Inches

Total Surface Area $=2(x^2+xl+xl)=2(x^2+2xl)$

$=2(2.5^2+2(2.5)(5))\\=2(6.25+25)\\=2*31.25\\=62.5 \:in^2$

Therefore, $62.5 \:in^2$ of cardboard is needed,

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3 years ago

Explain how you can use mental math to compare 7 pounds to 120 ounces.

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By using my brain I can figure it out.

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If an = a1 x 5^n-1 and a1=1 what is the value of a5?

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5 is the value ahhahaha

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