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3 years ago

Wanda did 12 push-ups on Saturday, 24 push-ups on Sunday, 48 push-ups on Monday, and

Mathematics

2 answers:

Delicious77 [7]3 years ago

6 0

Answer: it doubles

Step-by-step explanation: 12+12= 24, 24+24= 48, 48+48=96

Eva8 [605]3 years ago

4 0

Answer:

Step-by-step explanation:

Each number is mutiplied by 2

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Two cars are on the same straight road. Car A moves east at 55 mph and sounds its horn at 625 Hz. Rank from highest to lowest th

Fantom [35]

Answer:

1. Car B is moving east at 70MPh and is in from of car A

2.car B is moving west at 70 mph and is behind car A

Step-by-step explanation:

Use the cardinal point system to evaluate the problem first

8 0

3 years ago

Higher Order Thinking How can you use 3 x 5 = 15 to help find 6 x 5?

vazorg [7]

Answer:

change the equation to 3x5x2=30

Step-by-step explanation:

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3 years ago

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Researcher Sandy Beach found a correlation coefficient of +2.3 between variables X and Y. She is thrilled because that correlati

tia_tia [17]

Correlation coefficient is always between -1 and +1. So it cannot be +2.3

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3 years ago

What is the range of f(x) = 3x + 9?

Shkiper50 [21]

The answer is 2 i think

3 0

3 years ago

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Robert's dog is 4 years older than Karen's cat. In 3 years, the sum of the ages of Robert's dog and Karen's cat will be 13. How

mylen [45]

Answer:

5.5 years old.

Step-by-step explanation:

Let D represent present age of Robert's dog and C represent present age of Karen's cat.

We have been given that Robert's dog is 4 years older than Karen's cat. We can represent this information in an equation as:

$D=C+4...(1)$

We are also told that in 3 years, the sum of the ages of Robert's dog and Karen's cat will be 13. After 3 years age of dog and cat would be $D+3$ and $C+3$ respectively.

We can represent this information in an equation as:

$D+3+C+3=13...(2)$

From equation (1), we will get:

$C=D-4$

Upon substituting this value in equation (2), we will get:

$D+3+D-4+3=13$

Combine like terms:

$2D+2=13$

$2D+2-2=13-2$

$2D=11$

$\frac{2D}{2}=\frac{11}{2}$

$D=5.5$

Therefore, Robert's dog is 5.5 years old right now.

3 0

3 years ago