What's the answer to -7(3m-4)+2

Answers

Answer 1
Answer: -7(3m - 4) + 2

First, expand to get rid of parentheses. / Your problem should look like: -21m + 28 + 2
Second, add 28 + 2. / Your problem should look like: -21m + 30

Answer: -21m + 30


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BLUEFLOWER3 HALP

Answers

the answer would me C 5(24+18)=210 210*1/2=105.

Multiply 2 and two-thirds × Three-fourths.

Answers

Answer:

1

Step-by-step explanation:

2*2/3*3/4

= 4/3*3/4

= 12/12

= 1

Answer: I believe its 0.5  

Step-by-step explanation:

If if isn't then my apologies

there are 56 students going to the game. the coach puts 7 students in each van. which number sentence can be used to find out how many vans are needed to take the students to the game?

Answers

Given:
students going to the game = 56
students in each van = 7
number of vans used = unknown; x

The number sentence that can be used to find out how many vans are needed to take the students to the game is:

7 * x = 56

x = 56/7
x = 8 vans needed.
I had this problem before, 8 vans are needed because 56 students ÷ 7 students / van = 8 vans needed.

Becky adds 3/4 gallon of gasoline into her snow thrower's empty fuel tank. She uses 1/4 gallon for the snowstorm on Friday, and then uses another 1/4 gallon for the snowstorms on Sunday. Is the fuel tank empty after becky uses the snow thrower on Sunday? Explain. If her fuel tank is not empty again, what single action could have been changed so that it is empty again? Explain.

Answers

Amount of fuel in the tank before the story begins . . . . . zero.

Total amount poured in . . . . . 3/4 gallon.

Total amount burned:
                   on Friday . . . . . 1/4 gallon
                   on Sunday . . . . 1/4 gallon
                        Total used . . 1/2 gallon .

Amount remaining in the tank on Monday:

               (3/4 gallon in) - (1/2 gallon burned)  =  1/4 gallon left.
                                                                        ==>  NOT empty

The tank would have been empty on Monday IF Becky
had poured in only 1/2 gallon, instead of 3/4 of a gallon
before the first flakes began to fly.

Write a word problem to represent 2/5 × 1/2

Answers

People were invited to a party. 5 people were Invited but only 2 people came (2/5). Then , apparently, half of the people (1/2) invited from a different party came to that one. 2 lots of that 1/2.2/5 x 1/2. I hope this helps.

The pizza is 2/5 slices.1/2is of peperroni.Can you multiply 2/5✖️1/2??Why or why not??

There are two college entrance exams that are often taken by​ students, Exam A and Exam B. The composite score on Exam A is approximately normally distributed with mean 20.5 and standard deviation 4.9. The composite score on Exam B is approximately normally distributed with mean 1022 and standard deviation 214. Suppose you scored 27 on Exam A and 1209 on Exam B. Which exam did you score better​ on? Justify your reasoning using the normal model.

Answers

Answer: Exam A

Step-by-step explanation:

We must analyze how far are you from the mean in both cases, where the "step" that we will use to measure is the standard deviation.

In exam A, the mean is 20.5 and the standard deviation is 4.9.

If you scored a 27; then you need to see:

20.5 + 4.9 = 25.4

20.5 + 4.9 + 4.9 = 30.3

So you are within two times the standard deviation (more than the mean).

In the B exam, the mean is 1022 and the standard deviation is 214, where you scored 1209.

1022 + 214 = 1236

So in this exam, you are by one standard deviation away from the media.

With this, you can see that you did score better in exam A.