Decide whether the given number is a solution of the given equation. Is 15 a solution of m - 10 = 5 ?

Mathematics

1 answer:

skelet666 [1.2K]3 years ago

4 0

15-10 = 5 > Yyes, b, d, b, no

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3 years ago

Enrique predicted his car payment to be $200 each month. His actual car payment is $225 each month. What is Enrique's percent er

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3 years ago

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A^2(64a^2-3)/3=27-4a^2/4

frutty [35]

The answer is a = 3/4 = 0.75

First get rid of the paranthesis,
${a}^{2} (64 {a}^{2} - 3) = 64 {a}^{4} - 3 {a}^{2}$
Then set the denominators equal:
$\frac{ 256 {a}^{4} - 12 {a}^{2}}{12} = \frac{81 - 12 {a}^{2} }{12}$
Then remove the denominators and solve:
$256 {a}^{4} - 12 {a}^{2} = 81 - 12 {a}^{2}$
Eliminate -12a^2 by adding 12a^2 to both sides:
$256 {a}^{4} = 81$
Take the fourth root of them or take the square root twice:
$\sqrt[4]{256 {a}^{4} } = \sqrt[4]{81} \\ 4a = 3$
Divide both sides by 4:
$a = \frac{3}{4} = 0.75$

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3 years ago

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Answer:

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Step-by-step explanation:

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