MATHEMATICS MIDDLE SCHOOL

What is 8v+w+7-8v+2w

Answers

Answer 1
Answer: the equation would be :

0v + 3w+7

this is a question with combining like terms 
if you need more help message me
Answer 2
Answer:


w=7.

Hope this answer helps.

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The volume of a cube is 68.921 ft.3 What is the length of each side?

Answers

not enoggh deatil but
 \60.369      v       v      v       v     v  
A cube has equal sides so the volume is calculated as
V= a x a x a verses the Volume of a box which equals
lenght x height x width

Now we take the 3rd root of 68.921 by 3✔ ️because all sides are equal on a cube. We have 4.10 ft.

Check:
4.10 ft x 4.10 ft =
16.81 ft^2

16.81 ft^2 x 4.10 ft = 68.921 ft^3

If I have 5 potatoes weighing a total of 1 kg what would each potato weigh?

Answers

From the information given, we don't know how much each potato weighs. All we know is that when you add up all 5 of them you get one kilogram.
If all five have exactly the same weight then it's 200 grams.
Each potato would weigh 200 grams. 1 kg is the equivalent to 1000 grams. So, if you divide 1000 by 5, you get 200 grams. Good luck!

Evaluate if a=2 and b=8 6+7b-3a

Answers

Answer:

56

Step-by-step explanation:

6+7b-3a

Substitute:

6+7(8)-3(2)

Solve:

6+56-6

Simplify:

6+50

=56
The answer is 68...
work out:
6 + 7(8) + 3(2)
6+ 56 + 6
68

6/4 in reduced is 1 2/4 I need help now

Answers

Its actually reduced to 3/2. What you do is fin the greatest common factor in both numbers which is 2 and divide them by 2. Which will get you 2/3.

What is scale factor?

Answers

Answer:

Scale Factor is: When you divide the old shape by the new shape (explanation is here)

Step-by-step explanation:

When you have 2 shapes (lets say Y is the old shape and F is the new shape) you would divide the old shape (Y) by the new shape (F)

Another example: lets say shape F is 12 cm and shape Y is 7 cm (F being the old and Y being the new shape) you would divide 12 and 7 to get the answer to that problem

A scale factor is a number which scales, or multiples, some quantity.

I am a number under 10. My factors add up to 13. What number am I?

Answers

list the factors of numbers under 10. It would make sense to start at a number 
relatively high

9
1, 3, 9

The number is 9
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