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strojnjashka [21]
3 years ago
8

PLEASE ANSWER ASAP IT IS FOR A TESTT THATS DUE ASAPPP

Mathematics
1 answer:
Anarel [89]3 years ago
8 0

Answer:

6

Step-by-step explanation:

6(6 + 1) + 3 = 45

Distribute the parentheses so 36 + 6

36 +6 + 3 = 45

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andriy [413]

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3 years ago
What is the scale factor of two similar pyramids with volume of 13824 cubic feel and 216 cubic feet?
velikii [3]

Answer: The scale factor is 4

Step-by-step explanation:

We know that the pyramids are similar. The volume of one of these pyramids is  13,824 cubic feet and the volume of the other one is 216 cubic feet. Then:

V_1=13,824ft^3\\V_2=216ft^3

By Similar solids theorem, if two similar solids have a scale factor of \frac{a}{b}, then corresponding volumes have a ratio of \frac{a^3}{b^3}

Then:

\frac{V_1}{V_2}=\frac{a^3}{b^3}

Knowing this, we can find the scale factor. This is:

\frac{13,824}{216}=\frac{a^3}{b^3}\\\\\frac{13,824}{216}=(\frac{a}{b})^3\\\\\frac{a}{b}=\sqrt[3]{\frac{13,824}{216}}\\\\scale\ factor=\frac{a}{b}=4

3 0
3 years ago
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Papessa [141]

Answer:88

Step-by-step explanation:

8 0
3 years ago
Pls help. Evaluate the expression 3.14(a2 + ab) when a = 3 and b = 4. (Input decimals only, such as 12.71, as the answer.)
givi [52]
3.14(3(2) + 3(4))
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4 0
4 years ago
What is an equation that models the sequence 400, 200, 100, 50, ?
katrin [286]
N / 2

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4 0
3 years ago
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