If 90 is 80 percent of the value what is the value

Answers

Answer 1

Answer: If 90 is 80% of the whole value, then 1/4 of 90 added to 90 will be the value, because 1/4 of 80% (which is 20%) added to 80% will give us 100%

So,
90/4=12.5
90 + 12.5=102.5

At least, that's my take on it

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Identify the like terms. 9x, 10y, –9y, 10 A. 9x and 10 B. 10y and 10 C. 10y and –9y D. 9x and -9y The term 25ab and which other term are like terms? A. 25 B. 24a C. 5ba D. 10bCombine like terms.15w – 28w A. –43w B. –13w C. –13 D. Combine like terms.9 + 18s – 7s A. 20s B. 9 + 11s C. 9 – 11s D. 20 Combine like terms. 5/6X take away -2/3X= Answers: A. 1/6X B. 1/3X C. 1/2X D. X
Please help with these math questions

A bricklayer uses a cylinder to store sand. The cylinder is 5 ft tall and has a radius of 0.5 ft. Each batch of mortar contains 0.48 ft3 of sand.How many batches of mortar can the bricklayer make with 1 cylinder of sand? Use 3.14 to approximate pi, and express your answer as a whole number.

Answers

The volume of the cylinder is pi * 0.5^2 * 5 = 3.927 ft^3
3.927 / 0.48 = 8.181 so 8 batches of mortar with a little bit left over.

Um help! how do I do this?

Answers

1/2 t-4(2+t)=20
1/2 t-8-4t=20
least common multiple=2
t-16-8t=40
-7t=40+16
-7t=56
t=56/-7=-8

Answer: t=-8

To check
-8/2 - 4(2-8)=-4-4(-6)=-4+24=20

You do it just exactly as the question says: Take one choice,
substitute it in place of 't' in the given equation, and see if the
equation becomes a true statement.

I'll do 'A' for you:

Does 't' = 8 ?
Let's see.
If it does, then    (1/2) (8) - 4(2 + 8) = 20

   ( 4    ) - 4( 10 ) = 20

   ( 4    ) -    40 = 20

-36 = 20 .

Is that a true statement ? Is -36 = 20 ?
I don't think so.
=> 't' is not 8 .
    'A' is not the correct choice.

Now go ahead and try 'B'.
_________________________________

It might be faster and easier to just take the equation and solve it.
Then you'll know what 't' is, and you won't have to try any suggestions.

Here's the equation: (1/2) (t) - 4(2 + t) = 20

Eliminate parentheses
on the left side: 1/2 t    - 8 - 4t = 20

Combine the 't's
on the left side:    -3.5 t - 8    = 20

Add 8 to each side: -3.5 t = 28

Multiply each side by -1 : 3.5 t = -28

Divide each side by 3.5 : t = - 8 .

Now you can look back at the choices
and see that 'B' is the one you want.

Sally plans to run 12 miles. She ran 5 1/8 miles and then stopped for a water break. How many miles does Sakky have left to run?

Answers

So,

We can just subtract the fractions without converting any denominators. To do that, we can split the subtraction problem up as follows:

12 - 5 - 1/8
7 - 1/8
6 7/8

Sally still has 6 7/8 or 6.875 miles to run.

Subtract. 17 – (–11) A. –28 B. –6 C. 6 D. 28

Answers

Tricky, Tricky

17-(-11)

There's an imaginary 1 in front of the parentheses...

17-1(-11)

Now multiply

-1*-11=11

17+11=28

Thus,your answer is, D.

The answer is 28

Hope this helped

5-1 homework answers

Answers

Answer:

licksickflickmydick

Step-by-step explanation:

Namd the terms in the expression

3n + 4p + 2

Answers

The terms are 3n, 4p, and 2.

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