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Lena [83]
2 years ago
12

Last question just had to be one

Mathematics
1 answer:
Fantom [35]2 years ago
5 0
The correct answer is going to be 4545.
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If a=2b^3 and b= -1/2c ^-2,express a in terms of c.
ElenaW [278]

Answer:

Part 1) a=-\frac{1}{4c^6}

Part 2) a=-\frac{1}{4c^{-6}}

Step-by-step explanation:

Part 1) we have

a=2b^{3} ----> equation A

b=-\frac{1}{2}c^{-2} ----> equation B

substitute equation B in equation A

a=2(-\frac{1}{2}c^{-2})^{3}

Applying property of exponents

(x^{m})^{n}=x^{m*n}

x^{-m} =\frac{1}{x^{m}}

a=2(-\frac{1}{2}c^{-2})^{3}=2(-\frac{1}{2})^3(c^{-2})^{3}=2(-\frac{1}{8})(c^{-6})=-\frac{1}{4c^6}

therefore

a=-\frac{1}{4c^6}

Part 2) we have

a=2b^{3} ----> equation A

b=-\frac{1}{2c^{-2}}=-\frac{c^{2}}{2} ----> equation B

substitute equation B in equation A

a=2(-\frac{c^{2}}{2})^{3}

Applying property of exponents

(x^{m})^{n}=x^{m*n}

x^{-m} =\frac{1}{x^{m}}

a=2(-\frac{c^{2}}{2})^{3}=2(-\frac{c^{6}}{8})

simplify

a=-\frac{c^{6}}{4}

therefore

a=-\frac{1}{4c^{-6}}

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3 years ago
Find the sum and classify the polynomial based on degree and number of terms.
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3rd option or letter c
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I need help on this math problem?​
Licemer1 [7]

Answer:

A thend D

Step-by-step explanation:

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I need help with this please help its confusing me.
olga_2 [115]

Answer:

56 oz I think.

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HIII PLEASE HELP ITS 6 GRADE MATHS LOLL
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Answer:

-5, -7, -4, -6, -10

Step-by-step explanation:

Hope this helps!

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