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artcher [175]
2 years ago
10

20% of a is 11, what is a

Mathematics
2 answers:
Nina [5.8K]2 years ago
7 0

Answer:

2.2

Step-by-step explanation:

11÷5 because 20 goes into 100 5 tines hope this helps!:)

MrRa [10]2 years ago
7 0

Answer:

a = 55

Step-by-step explanation:

1. Set up the equation: 0.2a = 11 (20% is equal to 0.2 because to convert a percentage to a decimal you divide it by 100. In math, "of" means "times" and "is" means "equals" so the equation is 0.2 x a = 11, which can be shortened to 0.2a = 11).

2. Divide both sides by 0.2. You will be left with a = 55.

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PLZ help I am so confused
Alik [6]
Whenever it says divide just flip the fraction and change it to multiply

6 0
3 years ago
What is the LCD of 5/12 and -9/16 ?
Andreyy89
The least common denominator of 5/12 and -9/16 

The answer is 48.

Now, we have to change the numerators also to make this a equal fraction to the first ones we had.

5*4 = 20
12*4 = 48

20/48

-9*3 = -27
16*3 = 48

-27/48


7 0
3 years ago
Read 2 more answers
G(x) = x3 - 4 <br> h(x) = x2 + 2<br> Find h(-2) - g(-1)
Lady bird [3.3K]

Answer:

11

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Algebra I</u>

  • Function Notation

Step-by-step explanation:

<u>Step 1: Define</u>

g(x) = x³ - 4

h(x) = x² + 2

h(-2) is x = -2

g(-1) is x = -1

<u>Step 2: Find h(-2) - g(-1)</u>

  1. Substitute:                    ((-2)² + 2) - ((-1)³ - 4)
  2. Exponents:                   (4 + 2) - (-1 - 4)
  3. Add/Subtract:               6 - (-5)
  4. Subtract:                       11
3 0
2 years ago
3. Grad point question for a quiz<br><br>Graph the inequality.<br><br>A. x -3<br>D. x≤-3
LUCKY_DIMON [66]

Answer:

The answer most likely would be x > -3

Step-by-step explanation:

It would be this because it's a opened dot and not a closed one. A closed dot would have the greater or less than sign with the line underneath it

REMEMBER if it is shaded to the right then the inequality points to the right (>).  If it is shaded to the left the inequality points to the left (<)

HOPE THIS HELPS

3 0
3 years ago
Give a brief description of the following, please:
kati45 [8]

Answer:

natural # - the positive integers (whole numbers) 1, 2, 3, etc., and sometimes zero as well.

whole # & integer -numbers w  no fractions

Step-by-step explanation:


7 0
3 years ago
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