MATHEMATICS MIDDLE SCHOOL

Olga simplifies the expression x + 7x to 7x2. Use the drop-down menus to complete the statements below to explain why Olga's solution is correct or incorrect.

Answers

Answer 1

Answer:

Answer: Olga's solution is incorrect

x + 7x is the same as 1x + 7x

7x2 is the same as 7x. x

x + 7 x simplifies to 8x

Step-by-step explanation:

Answer 2

Answer:

Answer:

Olga's solution is incorrect. x + 7x is the same as 1x+7x. 7x2 is the same as7x × x . x + 7x simplifies to 8x.

Step-by-step explanation:

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I’m confused, I think I get an answer but then it’s wrong. Solve for s.

Answers

Answer:

A = ((s + b)/4)h

A/h = (s + b)/4

s + b = 4A/h

s = 4A/h - b = (4A - bh)/h

Answer:

A = ((s + b)/4)h

A/h = (s + b)/4

s + b = 4A/h

s = 4A/h - b = (4A - bh)/h

Step-by-step explanation:

The probability of it raining in a town on a spring day is 1/3. What is the probability that t will rain next Tuesday and not rain next Wednesday?a. 2/9
b. 1/3
c. 2/3
d. 1

(PLEASE HELP AND PLEASE EXPLAIN)!!!

Answers

the answer is 2/3 and once again, i had this question on my math test on probability. the answer is 2/3 because its 2 days it could possibly rain on ( Tuesday and Wednesday). since the probability of it already raining is 1/3, multiply it by 2, and you get 2/3.

1/3 x 2/1 = 2/3

hopefully my answer helps you

Bryson buys a bag of 64 plastic miniature dinosaurs . could he distribute them equally into six storage containers and not have any left over?explain .

Answers

Okay so first you would ask your self does 64 divide by 6? So take out your calculator and divided 64 by 6. Doing so you find out the answer is 10.6 (repeating)
So each storage container would get 10? No that doesn't sound right, instead you have to turn the repeating 6 into a fraction so it would be each storage container gets 10 2/3 of a dinosaur.

-3/5(-5/9)Does anybody know how to solve negative problems like this?

Help is appreciated! Thanks! :)

Answers

Answer:

1/3 is your answer.

Step-by-step explanation:

What you do is you have to make the denominator the same.

-27/45(-25/45)

1/3 is your answer.

True or False 5 is a factor of 30

Answers

Answer:

True

Step-by-step explanation:

5 goes into 30 six times

Answer: its true 5 goes in 30 six times

5x6=30

Step-by-step explanation:

What is the total average of a man's Brain and heart in kilograms

Answers

An average man's heart weighs 10 ounces, and the brain weighs 3 pounds. 3 lbs and 10 ounces is approximately 1.65 kilograms.

Hiya there! :) The average amount of man's brain is 1,378 grams or 3 pounds. For the average heart of man is 300 grams but for a athletic person it is 500 grams.

Hope I helped! B)

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