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Pie
3 years ago
13

Find: (4x2y3 + 2xy2 – 2y) – (–7x2y3 + 6xy2 – 2y)

Mathematics
1 answer:
Ivahew [28]3 years ago
8 0

Answer:

10x2y3 -4xy2

Step-by-step explanation:

Just take the like terms and separate them-

1) 4x2y3 - (-7x2y3)= 10x2y3

2)2xy2 - 6xy2= -4xy

3)-2y - (-2y)= 0y

Hope this helps :)

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Read 2 more answers
Solve v = 1/3 bh for b the base of the cone
Viefleur [7K]

Answer:

<h2>b =  \frac{3v}{h}</h2>

Step-by-step explanation:

<h3>v =  \frac{1}{3} bh</h3>

First of all multiply through by 3

That's

<h3>3v =  \frac{1}{3}  \times bh</h3>

We have

<h3>3v = bh</h3>

Divide both sides by h to make b stand alone

That's

<h3>\frac{bh}{h}  =  \frac{3v}{h}</h3>

We have the final answer as

<h3>b =  \frac{3v}{h}</h3>

Hope this helps you

3 0
3 years ago
describe the steps you would follow to write a two step equation you can use to solve a real world problem
RideAnS [48]
Pretend the equation was 2x - 4 > 8
The first step (of the two) would be to add 4 to the (-4) and to the other side of the equation (+4) to the 8, first. (You wouldn't use the number with variable in the first step) Then you would rewrite the equation: 2x > 12 (it's now 12 because you added the 4 to the 8). The second step is to divide 2x by 2x and do the same with 12. By dividing both sides with the coefficient, will help find "x". 12/2 is 6, therefore x > 6. (the last step would be to graph the expression if needed to)

7 0
3 years ago
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