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NikAS [45]
3 years ago
15

A number multiplied by 7 is less than 21. Which of the following expressions correctly identifies this sentence?

Mathematics
1 answer:
Vlada [557]3 years ago
8 0

Answer:

Step-by-step explanation:

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Fudgin [204]
For the first one a = 2.5. For the second one m = 4. For the third one m = -4
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Simplify this expression 7p+6q-2p+q
Mariulka [41]

Answer:

a) 8x+6a

b)5q+7q

Step-by-step explanation:

a) we need to combine the like(same) terms(with same variable) together

same terms: 3x and 5x

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so

3x+5x=8x

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8x+6a

b)a) we need to combine the like(same) terms together

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3 years ago
The mass of Earth is 5.97 x 1024 kilograms, and the mass of Venus is 4.87 x 1024 kilograms. What is the difference between the m
strojnjashka [21]

Answer:

1126.4

Step-by-step explanation:

5.97 x 1024 =6113.28

4.87 x 1024=  4986.88

6113.28-4986.88 =1126.4

6 0
3 years ago
What is P(divisor of 24)?
xxMikexx [17]

Answer:

0.75

Step-by-step explanation:

The divisors of 24 are 1, 2, 3, 4, 6, 8, 12, and 24.

there are four cards and three of them are divsors of 24--- 3,4,6,

so thats 3/4

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James earned $816 each year. He earned x dollars less per month than Matt, who earned $80 per month. Equation: 12(80 – x) = 816
Nataly_w [17]

Answer:

see below

Step-by-step explanation:

12(80 – x) = 816

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80-x-80 = 68-80

-x = -12

Multiply each side by -1

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James earned 80-12 = 68

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3 years ago
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