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crimeas [40]
4 years ago
14

What is 5+(-7.5)? And try to use a diagram please and thx.

Mathematics
2 answers:
exis [7]4 years ago
5 0
Basically adding a negative is just subtraction.
I cant add a diagram but ill help ya out.
5+(-7.5) can also be written 5-7.5
Which is fairly simple but it's -2.5.

DIA [1.3K]4 years ago
4 0
Adding a negative is the same as subtracting a positive,
So,

5 + (-7.5) = 5 - 7.5

which is equal to,

-2.5

You can also graph this on a number line
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8 0
3 years ago
There are 32 students in the cafeteria, 12 girls and 20 boys. What is the ratio
tiny-mole [99]

Answer:

A

Step-by-step explanation:

12/4=3

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5 0
3 years ago
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Can anyone one solve 1 - 6 ?
VashaNatasha [74]

(1)

f(x) + g(x) = 3x + 2 + 2x + 5 = 5x + 7

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(2)

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(3)

f(x) + g(x) = - 5x + 3 + 2x - 4 = - 3x - 1

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f(x) - g(x) = 3x - 4 + 2x - 3 = 5x - 7

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f(x) × g(x) = - 2(- x + 7 ) = 2x - 14

(6)

f(x) × g(x) = - 5(2x - 7) = - 10x + 35



5 0
3 years ago
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Hey eveyone. Im 7th grade 13 years old. Whenever i am at school i always think people think i smell bad. I dont know if its true
Otrada [13]

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Step-by-step explanation:

8 0
3 years ago
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BabaBlast [244]

Answer:

Step-by-step explanation:

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r³=-729

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b)s=\frac{4}{1+9}

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6 0
4 years ago
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