MATHEMATICS MIDDLE SCHOOL

Twice a number m minus three equals the sum of m and five

Answers

Answer 1
Answer:

The value of 'm' for the given equation as per linear equation will be 8.

What is a linear equation?

Linear equation is an equation where the variable has the highest degree of 1.

Given, twice a number m minus three equals the sum of m and five.

Therefore, the linear equation will be:

2m - 3 = m + 5

⇒ 2m - m = 5 + 3

⇒ m = 8.

The value of 'm' is 8.

Learn more about a linear equation here: brainly.com/question/8502333

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Answer 2
Answer:

2m - 3 = m + 5

m = 8

2(8) - 3 = 13

(8) + 5 = 13

m = 8

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I need to know what the sum of 347.89 + 23.52!!!

Answers

Answer:371.41


Step-by-step explanation:

this is because you just need to carry the number over to the next place if the sum of the digits( example 8+9=17) if it is greater than 10

Answer:


371.41


~Courtney

Sammy had 30 minutes to do a three problem quiz. She spent 101/3 minutes on problem 1 and 54/5 minutes on problem 2. How much time did she have time for problem 3? Write your answer as a mixed number.

Answers

He is left with 13(13)/(15) minutes for the last problem

Step-by-step explanation:

Given

Total time =  30 minutes

Time spent on problem 1: 10(1)/(3) minutes

Time spent on problem 2: 5(4)/(5) minutes

First of all, we will calculate the total time for 2 problems

Time\ for\ two\ problems = 10(1)/(3)+5(4)/(5)\n= (31)/(3) + (29)/(5)\n= (155+87)/(15)\n=(242)/(15)

The remaining time is:

Time\ for\ problem\ 3 = Total\ time - Time\ for\ two\ problems\n= 30 - (242)/(15)\n= (450-242)/(15)\n=(208)/(15)\n= 13(13)/(15)

Hence,

He is left with 13(13)/(15) minutes for the last problem

Keywords: Fractions, mixed fractions

Learn more about fractions at:

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What's a word phrase for 12x

Answers

Answer:

12x is Quotient of 12 and x.

Step-by-step explanation:

Given  :  12x

To find : what's a word phrase use in this expression .

Solution : We have given

Let the number = x .

Quotient of 12 and x.

Therefore, 12x is Quotient of 12 and x.
the world prash would be 12 times x

What is 1700000000 in scientific notation

Answers

1700000000You see there is no decimal... so we have to put one. Whenever there is no decimal, its just add the end ;)

Now our number has to be greater then 1 but less than 0.
So as you can see 17 is greater then 10. So what about 1.7? Yes thats greater then one but less than 0!
So lets see how many spaces it takes to move the decimal there.
I got 9.
So then we do this:
1.7*10^9
Got it?


1.7 * 10^9th power
you move the decimal up 9 places to get 1.7 so 10 is to the 9th power

-3m + 15-m for m = 25

Answers

I hope this helps you

Four more than twice a number is 8

Answers

Lets say the number equals x

Four more than twice a number is 8

4 more than twice a number is 8    

4 more than twice x is 8        (twice means 2 times)

4 more than 2x is 8               (more than means to add)

2x + 4 is 8

2x + 4 = 8

2x = 8 - 4

2x = 4

x = 4/2

x = 2
Four more than twice a number…..the root of this problem is 2. Twice 2 is 2x2 = 4 and then four more that number is 4 + 4 = 8.

Hope this helps. :)
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