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Kisachek [45]
3 years ago
12

Simplify 8 – 2(3x – 36) + 4x A. 22x - 216 B. -2x – 288 C. -2x + 80 D. X + 900

Mathematics
1 answer:
gulaghasi [49]3 years ago
8 0

Answer:

C. -2x + 80

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> </u>

Distributive Property

<u>Algebra I</u>

  • Terms/Coefficients

Step-by-step explanation:

<u>Step 1: Define</u>

8 - 2(3x - 36) + 4x

<u>Step 2: Simplify</u>

  1. [Distributive Property] Distribute -2:                                                                8 - 6x + 72 + 4x
  2. [Addition] Combine like terms (x):                                                                   -2x + 8 + 72
  3. [Addition] Combine like terms (Z):                                                                   -2x + 80
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Area is 96 length is 4x+8 width is x find x
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Answer

Step-by-step explanation:

The area would be length times width. x(4x+8) =96

4x^2+8x = 96

4x^2+8x-96=0. We need to factor.

It would be factored to (4x-16)(x+6) = 0

x would be -6 (x+6=0)

or x would be 4 (4x-16=0)

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3 years ago
What do 89/90 equal but not as a decimal or a percent as a fraction HELP ME
sergeinik [125]

Answer:

it equals 89/90

Step-by-step explanation:

the gcf of 89, 90 is 1, so the fraction can not be simplified. The answer is 89/90.

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3 years ago
A plot of land is valued at $18,000.Land tax is charged at the rate of 0.70 per $100. What is the total amount of tax paid for t
Vladimir [108]

Answer:

<em>The total amount of tax paid for the land was $126</em>

Step-by-step explanation:

<u>Proportions</u>

The land tax charged is 0.7 per each $100 of the land value. For easy calculations, we find the ratio or proportion to be applied to the value of the land as:

0.7 / 100 =0.007

This factor can be used to obtain the tax charged for a given value of the land.

The plot of land of the question is valued at $18,000.

The tax charged is, then:

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The total amount of tax paid for the land was $126

8 0
3 years ago
Fifteen times the square of a non-zero number is equal to 20 times number.What is the number? Its not 4/3
e-lub [12.9K]
The number is (2√3) / 3

To find the missing number, convert what it says in words to an equation:
15 {x}^{2}  = 20x
Divide both sides by 15:
{x}^{2}  =  \frac{20}{15}   \\  \\  {x}^{2}  =  \frac{4}{3}
Take the square root:
x =  \sqrt{ \frac{4}{3} }  \\  \\ x =  \frac{2}{ \sqrt{3} }  \\  \\ x =  \frac{2 \sqrt{3} }{3}
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3 years ago
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It would be 7.45 since the -3.05 and the -9.5 together would equal -12.55 which subtracted from 20 would equal 7.45
5 0
4 years ago
Read 2 more answers
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