Which statement is true about the expression 7(2x 5)A. The expression has two factorsB. The expression has three factors.C. The factor 2x 5 has three termsD.The expression is the sum of three terms.

Answers

Answer 1

Answer: I think that the answer is a because you only have to terms after you distribute hope this helps you

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Andrew solved the following inequality, and his work is shown below:−4(x + 8) + 25 ≤ −2 + 1(x − 50)
−4x − 32 + 25 ≤ −2 + 1x − 50
−4x − 7 ≤ 1x − 52
−5x ≤ −45
x ≤9

What mistake did Andrew make in solving the inequality?

Answers

For this case we observe that we have the following inequality:

-4 (x + 8) + 25 ≤ -2 + 1 (x - 50)

The first step is the distributive property on both sides of the inequality:

-4x - 32 + 25 ≤ -2 + 1x - 50

This step is written correctly.

The second step is to add similar terms:

-4x - 7 ≤ 1x - 52

This step is written correctly.

The third step is to pass the number 7 adding on the right side of the inequality:

-5x ≤ -45

This step is written correctly.

The last step is to divide between 5 both sides of the inequality. Then, multiply by -1. When multiplied by -1, the direction of the inequality changes:

x ≤9

This step is written incorrectly.

Answer:

Andrew did not change the symbol of the inequality in the last step.

(B) when dividing by -5, he did not change the < to >

Some workers at a zoo built a new platform in the water for the seals. The perimieter of theplatform was 60 feet.Which could be the dimensions of the platform for the seals?
36 ft 24 ft
18 ft 12 ft
10 ft 6 ft
12 ft 5 ft

Answers

It would be 18 ft by 12 ft because P=L+L+W+W, which 18+18 is 36 and 12plus 12 is 24. 24 and 36 ft combined is 60 ft.

What are 2 irrational numbers between 13 and 15

Answers

1. 13.1585824828741586788.......
2. 14. 4532514582525563325585.....

"An Irrational Number is a real number that cannot be written as a simple fraction."

Hope I helped:)

7/32 in a decimal form.

Answers

7 divided by 32 which equals to 0.21875

0.2188

to be honest if you look up any fraction and write in decimal form on google it comes up and tells you what the fraction is in decimal form.

Lunch begins at 11:45 and ends at 12:10. How long is lunch time?

Answers

hey erika and the answer is 25 minutes

Megan start studying at 10 minutes past 4 and finish at 5:49 how long did she study for explain how you found your answer

Answers

if Megan starts studying at 4:10 and finishes at 5:49 then she studied for 99 minutes. I got this answer by finding how many minutes were between 4:10 and 5:00 and between 5:00 and 5:49 which was 50 minutes and 49 minutes. I then added the 2 numbers together and got a total of 99 minutes. which can also be calculated into 1 hour and 39 minutes

Start: 04:10 Stop: 05:49

05 : 49
-
04 : 10
_________
01 : 39
_________

Simply subtract. 9 - 0 = 9. 4 -1 = 3. 5 - 4 = 1. 0 - 0 =0

She studied for 1 hour 39 minutes.

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