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3 years ago

What is the equivalent expression for 2x + 8y

Mathematics

2 answers:

klio [65]3 years ago

7 0

If this helps you consider making it brainliest as it helps me out.

2(x+4y) is the equivalent expression.

Let’s say x = 1 and y = 2

Then 2x + 8y would be 18

Same thing for 2(x+4y)

Hope this helps!

worty [1.4K]3 years ago

6 0

The answer to this question is

= 2(x + 4y)

Hope this helps

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Need help with this problem.

tigry1 [53]

Answer:

C) $-\frac{47}{49}$

Step-by-step explanation:

By the cos double angle formula, we know $\cos(2\theta)=2\cos^2\theta-1.$ Substituting $\cos \theta$ into the formula, we get

$\cos(2\theta)=2(-\frac{1}{7})^2-1\\~~~~~~~~~~=\frac{2}{49}-1\\~~~~~~~~~~=\boxed{-\frac{47}{49}}$ .

The answer is C.

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2 years ago

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3241004551 [841]

Answer:

R=0.39789 ft

Step-by-step explanation:

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2πR=2.5

⇒R=2.5/2π

R=0.39789 ft

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AVprozaik [17]

Answer:

Step-by-step explanation:

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azamat

False... a ratio equivalent to 2:5 is 4:10

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Step-by-step explanation:

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3 years ago

What is the equivalent expression for 2x + 8y​

What is the equivalent expression for 2x + 8y