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Ostrovityanka [42]
3 years ago
13

Can someone help please?!

Mathematics
2 answers:
lukranit [14]3 years ago
8 0
What 2 numbers muliply to get -30 and add to get 7?
-3 and 10

(x-3)(x+10) is da answer

C is answer
Minchanka [31]3 years ago
4 0
X² + 7x - 30
x² + 10x -3x - 30
x(x+10) - 3(x+10)
(x-3)(x+10)

Answer is C
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zalisa [80]

Answer:

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Step-by-step explanation:

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What is the difference of 8 times a number r and 12?
lapo4ka [179]

Answer:

The difference of 8 times a number r and 12 is solved for a number r and is given by r=\frac{3}{2}

Step-by-step explanation:

Given problem is the difference of 8 times a number r and 12

It can be written as

(8\times r)-12

To simplify the above expression :

8r-12

8r-12=0

8r-12+12=0+12 ( using addition property of equality )

8r=12

8r(\frac{1}{8})=12(\frac{1}{8}) (using division property of equality )

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Therefore r=\frac{3}{2}

Therefore the difference of 8 times a number r and 12 is solved for a number r and is given by r=\frac{3}{2}

8 0
3 years ago
Solve for the indicated variable in each scientific formula. c=wtc/1000 for w
Hitman42 [59]
First, multiply both sides by 1000
1000*c = w*t*c

Since c is on both sides, they would cancel each other out
1000 = w*t

Divide both sides by t.
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6 0
3 years ago
What is bigger 0.75 or 1 3/4
Simora [160]
1 3/4 is greater than 0.75 because 1 3/4 is 1.75 and it is greater than 0.75
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PLEASE HELP FOR BRAINLIEST ANSWER NEED TO KNOW IF IM CORRECT
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