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Pavel [41]
3 years ago
6

WHOEVER ANSWERS FIRST I'LL MARK BRAINLIEST!!!!! EASY QUESTION!!!!

Mathematics
2 answers:
yanalaym [24]3 years ago
7 0

Answer:

1. 100

2. 100

3. 100

See the description of the pattern below.

Step-by-step explanation:

We can represent each of these questions with an equation, remembering that "of" should always signify multiplication, and that percents can be changed to decimals by moving the decimal place two to the left.

1. 20% of what number is 20? (Represent "what number" with "x.")

  20% = .20

  .20x = 20

  x = 20/.20

  x = 100

2. 90% of what number is 90?

   90% = .90

   .90x = 90

    x = 90/.90

    x = 100

3. 778% of what number is 778?

   778% = 7.78  not .778

   7.78x = 778

   x = 778/7.78

   x = 100

The pattern is that the answer is always 100! A percentage of 100 will always equal that same number. Just think about it logically: when we multiply anything by 100, we move the decimal place two places to the right. 20% is .20, but when multiplied by 100 it turns back into 20!

pogonyaev3 years ago
4 0

Answer:

1- 100

2- 100

3- 100

Step-by-step explanation:

20x5 is 100

10x9 is 90

You might be interested in
Express the recurring decimal 0.142 recurring as a fraction in its simplest form.
kupik [55]

Answer:

7/165

Step-by-step explanation:

We take number after the decimal point     042

then we subtract  the non repeating.In this case is 0 so we not subtract anything

This will be the numerator  42

For each repeating decimal we write a 9 (in this case 2 nines)

For each non repeating decimal we write a zero

Denominator is 990

42/990  =  7/165

7:165 = 0.0424242

I think this is what you do. Hope it helps!

5 0
3 years ago
At D.J.s Drink stand Erika ordered a cup of fruit punch made using 1/4 cup of lemonade 1/12 cup of cranberry juice. What fractio
Zepler [3.9K]

The fraction of the orange juice will be 2/3cup.

Why?

Since there is no additional information, let's assume that the fruit punch is made using just three juice fruits, lemonade juice, cranberry juice and the rest is orange juice.

We can calculate the fraction of the orange juice using the following information:

FruitPunch=\frac{1}{4}Lemonade+\frac{1}{12}Cranberry+Orange\\\\1cup=\frac{1}{4}cup+\frac{1}{12}cup+Orange\\\\1cup-(\frac{1}{4}cup+\frac{1}{12}cup)=Orange\\\\1cup-(\frac{12+4}{4*12})=Orange\\\\Orange=1cup-\frac{16}{48}cup=1cup-\frac{1}{3}cup=\frac{3-1}{3}cup=\frac{2}{3}cup

Hence, we have that the fraction of the orange juice will be 2/3cup.

Have a nice day!

8 0
3 years ago
How many books are on each shelve if there are 64 books on 4 shelves?
castortr0y [4]

Answer:

In each shelves there are 64/4 books I.e. 16.

5 0
3 years ago
For what value does x does 3^2x= g^3x-4<br> A)1<br> B)2<br> C)3<br> D)4
netineya [11]
The question has an error because the letter g does not make sense in the context.

I will assume that the g is really the number 9.

In that case, the equation to solve would be:

3^{2x} =  9^{3x-4}

You can solve for x following these steps:

1) make      9=3^2

=>

3^{2x} = 3^{2(3x-4)}

2) Given that the basis are equal the exponents have to be equal =>

2x = 2(3x - 4)

3) Solve:

2x = 6x - 8

6x - 2x = 8

4x = 8

x = 8/4

x = 2 which is the option B) which leads me to think that a 9 instead of g in the equation should be right.

Under that assumption, the answer is the option B) x = 2.

3 0
3 years ago
"For each power, write an equivalent multiplication expression with two factors"
Eva8 [605]

 

<h2>10⁴ = 10²⁺² = 10² × 10² </h2><h2>8² = 8¹⁺¹ = 8¹ × 8¹ </h2><h2 /><h2 />
3 0
3 years ago
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