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2 years ago

What is the equivalent expression for 2x + 8y

Mathematics

2 answers:

klio [65]2 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]2 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

Given the width of the lawnmower is 5 feet and the

3241004551 [841]

Answer:

R=0.39789 ft

Step-by-step explanation:

For the perfectly mowed lawn, after one revolution, you want the lawnmower to be exactly one lawnmower's width closer to the pole. This implies that one lawnmower width should wrap around the circumference of the pole every revolution. So for this lawnmower we want:

2πR=2.5

⇒R=2.5/2π

R=0.39789 ft

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3 years ago

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AVprozaik [17]

Answer:

Step-by-step explanation:

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3 years ago

A ratio equivalent to 2:5 is 2 :10

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