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allochka39001 [22]

3 years ago

5

If you multiply two integers together and then add 4, the result is 40. Which of the following could NOT be the sum of the two n

umbers?
- 12
- 13
- 15
- 18
- 20

1 answer:

marta [7]3 years ago

6 0

Answer:

18

Step-by-step explanation:

xy + 4 = 40

xy = 40 - 4

xy = 36

What two numbers can b multiplied to give 36? Then add them.

9 + 4 = 13

18 + 2 = 20

6 + 6 = 12

12 + 3 = 15

The odd option is 18

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3 years ago

Which expression has the same value as9

Arturiano [62]

B because it rounds

6 0

4 years ago

The measure of an angle is nine times the measure of its complement. find the measure of each angle.

andrew11 [14]

Two angles are complementary when they add up to 90 degrees<span>

</span><span>smaller angle = x
</span><span>larger angle = 9x
</span>
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5 0

3 years ago

Scientists found that a certain particle of dust doubles every 30 minutes. If the scientists tests this out with 21 grams of the

monitta

Answer: $1.663\times 10^{30}\ gm$

Step-by-step explanation:

Given

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If the initial sample is 21 grams

The model to predict the population will be

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Where t=time in hours

A day has 24 hours . So, for 2 days time is 48 hours

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7 0

3 years ago

___________________________________________________________

attashe74 [19]

Answer:

A

Step-by-step explanation:

I think it is A because if you do the math when your double her time she has way more distance.

8 0

2 years ago