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Angelina_Jolie [31]
3 years ago
11

Divide 20m^2n^3 - 10m^2n by 5mn

Mathematics
1 answer:
Sonja [21]3 years ago
6 0

\frac{20 {m}^{2} {n}^{3}  - 10 {m}^{2}n  }{5mn}  \\  =   \frac{5mn(4m {n}^{2} - 2m) }{5mn}  \\  = 4 {m}^{2} n - 2m \\  = 2m(2mn - 1)

Hope this helps. - M
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What is a negative 3 cubed written as a fraction
Advocard [28]
When you have an exponent that is negative, it means to take reciprocal of the fraction then take it the power.

Some examples:

5^-2 = 1/5^2 = 1/25
10^-3 = 1/10^-3 = 1/1000

If this answer wasn't clear enough, just comment below or DM me a message!

8 0
3 years ago
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Nancy had 333 dollars to spend on 9 books. After buying them she had 18 dollars. How much did each book cost ?
MissTica

Answer:

35 dollars

Step-by-step explanation:333-18=315 dollars

315/9=35 dollars for each book

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dibuja un triangulo de catos de 15cm, 8cm. al unir sus puntos medios resulta un triangulo semejante a este
marshall27 [118]

Answer:

Step-by-step explanation:

4 0
3 years ago
What number must you add to complete the square x^-8x=39
notsponge [240]

Answer:

Given equation: x^2-8x =39

when we complete the square , we take half of the value of 8 , then square it, and added to the left sides, we get;

x^2-8x+4^2 = 39 +4^2

∵8 is the value (\frac{8}{2})^2

Notice that, we add this both sides so that it maintains the equality.

then;

x^2-8x+4^2 = 39 +4^2

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Simplify:

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3 0
3 years ago
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Find the average rate of change for the function f(x) =x^2 -6x+2 on the closed side interval (-5,2)
s344n2d4d5 [400]

Answer:

- 9

Step-by-step explanation:

The average rate of change of f(x) in the closed interval [ a, b ] is

\frac{f(b)-f(a)}{b-a}

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average rate of change = \frac{-6-57}{2-(-5)} = \frac{-63}{7} = - 9

6 0
2 years ago
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