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In-s [12.5K]
4 years ago
7

I really need help on integer subtraction so here’s the question.. 7-(-2)=

Mathematics
1 answer:
geniusboy [140]4 years ago
7 0

Answer:

it 7{-2}= 9/1 and it equals to=9

Step-by-step explanation: 7{-2)= 9/1=9                                                                                                    

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Sonya plays a game where she moves forward or backward on a game board. Positive numbers represent forward moves. Negative numbe
umka21 [38]

Answer:

This means sonya moves 3 units backward 4 times

Step-by-step explanation:

4(-3) ;

4 represents the number of times a (-3) movement is executed.

-3 means a backward movement due to the presence of negative sign.

Hence, we can conclude that Sonya moves 3 units backward 4 times or can infer a direct multiplication of 4(-3) = - 12 ;

A backward movement of - 12 units.

3 0
3 years ago
X2 + 3x - 108 = 0<br> What is the answer?
worty [1.4K]

Answer:

The answer is x=9 and/or x = -12

Step-by-step explanation:

This is a quadratic formula meaning that you must take the a value (1) b value (3) and the c value (108) and plug it into the quadratic formula.

\frac{-3±\sqrt{9+4*1*-108} }{2}

which simplifies to -3 add or subtract the sqrt of 441 divided by two.

5 0
4 years ago
Please help me with alg 2 question!
AlladinOne [14]

Answer:

J

Step-by-step explanation:

3 0
2 years ago
Lee drove 420 miles and used 15 gallons of gasoline. How many miles did Lee's car travel per gallon of gasoline? please help wil
goldfiish [28.3K]

Answer:

28 miles per gallon

Step-by-step explanation:

you divide 420 by 15 to see how many miles per gallon and

420 divided by 15= 28 (gallons)

8 0
3 years ago
Read 2 more answers
5-12 divided by (6-2)-1<br><br> (4-3) multiply by 2+15 divided by (6-1)<br><br> Show your work
nataly862011 [7]

5-12 ÷(6-2)-1

Do whats in the parenthesis

5-12 ÷4-1

Do division next

5- 3- 1 = 1.

Do the same for the next.

(4-3) x 2+15 ÷(6-1)

1 x 2+15 ÷5

2+15÷5

2+3= 5

3 0
4 years ago
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