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3 years ago

What is the answer to 3x+4w+7x-2x

Mathematics

1 answer:

kumpel [21]3 years ago

4 0

Answer:8x+4w

Step-by-step explanation:

So the question is

3x+4w+7x-2x

We take the variables that are the same which are

-2x

We add all of these together

3x+7x+(-2x)=8x

8x is our answer, so we take 8x and add 4w to it

8x+4w

This is the final answer, because there is nothing else left to do

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3 years ago

A 30-meter antenna mast is stabilized by a 34 meter guy wire. How far from the base of the mast is the guy wire secured to the g

Alex

<h2>Hello!</h2>

The answer is: C. 16 m.

The figure is a right triangle, it means that we can solve it by using the Pythagorean theorem which states that, the largest side of a rectangle (hypotenuse) is equal to the sum of the other two side squares:

$c^{2} =a^{2} + b^{2}$

Where:

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So, by substituting we have:

$34^{2}=a^{2} +30^{2} \\a=\sqrt{34^{2-}30^{2}}=16$

Have a nice day!

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4 years ago

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3 years ago

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Irina-Kira [14]

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4 years ago

Homeroom 101 and homeroom 102 share a hallway bulletin board. if home room 101 uses 3/5 of their half of display artwork what fr

STatiana [176]

To solve this problem you must keep on mind the following information:

The problem says that Homeroom 101 can use a half of display artwork (which is $\frac{1}{2}$ ) and they use $\frac{3}{5}$ . Therefore, you only need to multiply both fractions, as following:

$(\frac{1}{2} )(\frac{3}{5} )=\frac{3}{10}$

Therefore, as you can see, the answer is: $\frac{3}{10}$ of the bulletin board is used to display Homeroom 101’s artwork.

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3 years ago