3 years ago

Simplify the expression: -4(5a + 7) + 7

Mathematics

2 answers:

Nat2105 [25]3 years ago

6 0

Answer:

thanks this is very helpful

sleet_krkn [62]3 years ago

5 0

-20a-21 or do you want me to actually break it down?

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Aloiza [94]

First, find out how much ribbon there is.

3 x 12 = 36

Now, see how many times you can divde that by 8.

36 can only be divided by 8 four times, and there would be 4 inches of ribbon left.

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Yanka [14]

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3 years ago

H(x) = x2<br> j(x) = 2x2-5<br> find h(x) - j(x)

yKpoI14uk [10]

Answer:

Step-by-step explanation:

h(x) - j(x) => $x^2-(2x^2-5)$

The negative sign out in front of the set of parenthesis changes the signs of everything inside the parenthesis, so now we have, without parenthesis:

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3 years ago

Write a recursive rule: <br><br>-2,0,2,4,6

bearhunter [10]

Write a recursive rule for the sequence.

-2,0,2,4,6

STEP 1:

a1 = -2

a2 = 0

a3 = 2

STEP 2:

d = a2-(a1)=a3

= d = 0-(-2)=2

STEP 3:

An = a+(n-1)d

ANS:

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2 years ago

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kolbaska11 [484]

Answer:

Step-by-step explanation:

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2 years ago

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