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kolezko [41]
3 years ago
8

What is 3(x + 4) = x + 2(x+6) Please explain

Mathematics
1 answer:
sladkih [1.3K]3 years ago
5 0

3(x + 4)

Distributive property

= 3(x) +  3(4)

= 2x + 12

x + 2(x+6)

Distributive property

= x + 2(x) + 2(6)

= x + 2x + 12

Combine like terms

= 3x + 12

So

3(x + 4)  = x + 2(x+6) = 3x + 12

Answer: 3x + 12

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Answer:

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Step-by-step explanation:

The volume of a cuboid is equal to length * breadth * height.

First, we want to figure out the values relative to each other. Everything is in centimeters except the breadth, which is 0.07m. To convert meters to centimeters, we can multiply by 100: 0.07 * 100 = 7, so the breadth is 7cm.

Next, the volume is  length * breadth * height = 5cm * 7cm * 8cm = 280cm³. Each person occupies 14cm³. To find how many people can occupy the cube, we can divide the volume by the space each person takes, so

280cm³/14cm³ = 20 people

Note that we can divide because each person takes x amount of space, and the total space, z, can be represented by x * y = z, with y representing the amount of people, because we add x space for each person. Dividing both sides by x, we get y = z/x

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3 years ago
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If ABCD is a parallelogram, m A<br> B<br> (3x + 4)º<br> D<br> xº<br> C<br> Equation:<br> X=<br> (PLEASE HELP)
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