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3 years ago

I need the answer for -22=4x-10

Mathematics

2 answers:

pshichka [43]3 years ago

6 0

Answer: x=-3

Step-by-step explanation:

Switch sides, add 10 to both sides, simplify, divide both sides by 4.

malfutka [58]3 years ago

5 0

The answer is -3 for -22=4x-10

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3 years ago

If a=2b^3 and b= -1/2c ^-2,express a in terms of c.

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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

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

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

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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4 years ago

B) Make b the subject of the formula a = 4 - 3b

Ira Lisetskai [31]

A=4-3b
subtract 4 from both sides
a-4=-3b
divide by -3 for both sides
(a-4)/-3 = b

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3 years ago

Read 2 more answers

I need the answer for -22=4x-10​

I need the answer for -22=4x-10