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kolbaska11 [484]
3 years ago
11

Which expression is equivalent to 3x+10−x+12 ?

Mathematics
2 answers:
Stells [14]3 years ago
6 0

Answer:

D)---—————------->

2x+22

solong [7]3 years ago
5 0

Answer: The answer is D: 2x+22

Step-by-step explanation:

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Which situation would be represented by the integer 12?
eduard

Alll are integers since they are defined exactly.

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The length of a rectangle is three times its width. if the area of the rectangle is 300 yd2 , find its perimeter.
Svetradugi [14.3K]
Let, width = x
Length = 3x

It is given that, 3x * x = 300
3x² = 300
x² = 300 / 3
x = √100
x = 10
& 3x = 3(10) = 30

Perimeter = 2(l + w)
P = 2(10 + 30)
P = 2(40) = 80

In short, Your Answer would be 80 Yards

Hope this helps!
4 0
3 years ago
Find the surface area of a cube with edges 6.57 cm long.
notsponge [240]

Answer:

258.9894 is the total surface area

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Is w = 8 a solution to the equation 5 + w = 58? Explain
sp2606 [1]

No.

Since w = 8, you must replace the variable with the number associated to it.

So, it would be 5 + 8 = 58

5 + 8 is not equal to 58, it is equal to 13.

If you wanted to find out what w was, simply subtract 5 on both sides.

w = 58 - 5

8 0
3 years ago
Find the values of x and a please!!
Ludmilka [50]

Answer:

yes

Step-by-step explanation:

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