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mafiozo [28]
3 years ago
15

How to solve them in the first place

Mathematics
1 answer:
LekaFEV [45]3 years ago
8 0

(-4z^3-2z+8)-(4z^3+3^2-5)\\\\=-4z^3-2z+8-4z^3-3^2-(-5)\\\\=-4z^3-2z+8-4z^3-9+5\\\\\text{combine like terms}\\\\=(-4z^3-4z^3)-2z+(8-9+5)\\\\=\boxed{-8z^3-2z+4}

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Five times the sum of a number and 3 is the same as 3 multiplied by 1 less than twice the number ​
Aneli [31]

Answer:-2

Step-by-step explanation:

(n + 3) 5 = 3 x 1 - n

distribute so 5n + 15= 3 - n

subtract three from both sides

5n - 12 = -n

subtract 5n from both sides

12 = −6n

Divide both sides by -6

n=-2

7 0
3 years ago
Find m Can you please provide a step by step
Fofino [41]

Answer:

∠ KLM = 27°

Step-by-step explanation:

∠ KLM + ∠ NLM = 90 , that is

3x + 7x = 90

10x = 90 ( divide both sides by 10 )

x = 9

Thus

∠ KLM = 3x = 3 × 9 = 27°

6 0
3 years ago
The radio of 2,787 to 1,750 is ____
pishuonlain [190]

Answer:

1.59

Step-by-step explanation:

Divide 2,787 by 1,750

3 0
4 years ago
3/4^2 + 1^2 = x2<br><br> solve for x with work shown! pls help!
photoshop1234 [79]

Answer:

X=19/32

Step-by-step explanation:

3/4^2+1^2=2*x

3/4^2+1=2x

3+(4^2)/4^2=2x

3+16/4^2=2x

19/4^2=2x

19/(2^2)^2=2x

19=16(2x)

19=16*2x

32x=19

32x/32=19/32

x=19/32

This took alot of time goodluck!

8 0
2 years ago
Read 2 more answers
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Iteru [2.4K]
Can you add additional information about the problem?
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