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Katen [24]
3 years ago
5

How do you do the distributive property for 7*7

Mathematics
1 answer:
Troyanec [42]3 years ago
7 0

The distributive property: a(b + c) = ab + ac

7 × 7 = 7 × (10 - 3) = (7)(10) - (7)(3) = 70 - 21 = 49

7 × 7 = 7 × (5 + 2) = (7)(5) + (7)(2) = 35 + 14 = 49

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If f(x) = x2 + 7x and g(x) = 3x - 1, what is f(g(x))?
Burka [1]

Answer:

f(g(x)) = 9x^2 + 15x - 6

Step-by-step explanation:

We are using function g(x) = 3x - 1 as the input to function f(x) = x^2 + 7x.

Starting with f(x) = x^2 + 7x, substitute g(x) for x on the left side and likewise substitute x^2 + 7x for each x on the right side.  We obtain:

f(g(x)) = (3x - 1)^2 + 7(3x - 1).

If we multiply this out, we get:

f(g(x)) = 9x^2 - 6x + 1 + 21x - 7, or

f(g(x)) = 9x^2 + 15x - 6

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3 years ago
Rose bought 7/20 of candy and 0.4 killogram of fruit which did she buy more of explain your answer
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Simplify 7/20 to decimals by dividing.

7 divided by 20= 0.35

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So, she bought more fruit, since 7/20 is less than 0.4.

I hope this helps :)

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3 years ago
Katherine uses 7/10 of a gallon of red paint to paint 3/5<br> of her wall??
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