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GREYUIT [131]
3 years ago
14

Find each sum. (-7)+9

Mathematics
1 answer:
ira [324]3 years ago
3 0
The answer is 2 you have to look at your intergers
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BaLLatris [955]

Answer:66.6 but if round 67%

Step-by-step explanation:

Because 52 ÷78 =66.6

So it's 67%

5 0
3 years ago
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Simplify each expression as much as possible, and rationalize denominators when applicable. √72=?
Misha Larkins [42]

Answer:

6√2

Step-by-step explanation:

Solving the given expression step by step:

72 = 2 × 2 × 2 × 3 × 3

Now for finding the square root we will make pair of two numbers of same values.

We have one pair of 2's and one pair of 3's and left one 2

Thus, √72 = 2 × 3 × √2 = 6√2

We rationalize denominator and change it into a simpler form as soon as possible.

3 0
3 years ago
Which expression is equivalent to (x y) z?
stepan [7]

Answer:

x(yz)

Step-by-step explanation:

(xy)z = x(yz) by the associative property of multiplication.

Answer: x(yz)

5 0
3 years ago
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Choose the best definition for the following term: exponent. (1 point) Shorthand that tells how many times the base is used as a
babunello [35]
An exponent is the number or value being raised to a power.
8 0
3 years ago
Which of the following mathematical expressions is written in standard form?
bearhunter [10]

Step-by-step explanation:

number2 the answer is a and

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