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Maurinko [17]
3 years ago
8

Simplify -5(20 + 3).

Mathematics
2 answers:
tamaranim1 [39]3 years ago
7 0
-5(20 + 3)

First, in the parentheses, add 20 + 3. / Your problem should look like: -5 × 23

Second, since the parentheses indicate multiplication, multiply 5 × 23. / Your problem should look like: -115

Answer: -115


sammy [17]3 years ago
4 0
Whenever a number is beside a parenthesis without a sign it means multiplication. So you would use PEMDAS work in parenthesis then exponents, multiplication (from left to right) addition and subtraction (from left to right). so you would add 20+3 and get 23 then multiply that by -5 to get -115 as your answer.
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3 0
3 years ago
Read 2 more answers
F(x) = 8x3 - 5x+12<br> Find the zeroes 
Darina [25.2K]
Answer: x = 36/5
0=24-5x+12
0=36-5x
5x=36
8 0
2 years ago
Solve x3 = 1 over 8. <br> 1 over 2 <br> ±1 over 2 <br> 1 over 4 <br> ±1 over 4
cricket20 [7]
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Take the cube root of both sides.

∛x³  = ∛(1/8)

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x = ∛((1/2)*(1/2)*(1/2))

We bring out 1 of the (1/2) out of the cube root sign as well.

x = 1/2

So the answer is the first option.  1 over 2.

I hope this helps.
7 0
4 years ago
What is the answer to 2(x+2)-3x &gt;-1 ?
kifflom [539]
2x+4-3x>-1

-x+4>-1

-x>-1-4

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X<-5/-1

Hence x<5
3 0
3 years ago
Read 2 more answers
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