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Leni [432]
3 years ago
14

Combine like terms in the following expression 8x + 3x +10x - 6

Mathematics
2 answers:
sertanlavr [38]3 years ago
6 0

Answer:

21x-6

Step-by-step explanation:

8x+3x+10x-6

8x+3x=11x+10x+21x

21x-6

you can only combine like terms

Pachacha [2.7K]3 years ago
4 0

Answer:

21x+−6

<em><u>work:</u></em>

Combine Like Terms:

=8x+3x+10x+−6

=(8x+3x+10x)+(−6)

=21x+−6

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Two less than three times the width of a rectangle is equal to the lenght.The area of the rectangle is 65 square ft.What is the
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Answer:

 length:  13 feet

Step-by-step explanation:

width:  x

length:  3x - 2

Area = Length * Width

65 = x(3x - 2)

65 = 3x² - 2x

3x² - 2x - 65 = 0

(3x +  13)( x -  5) = 0

3x + 13 = 0       and     x - 5 = 0

3x = -13                             x = 5

x = - 13/3

**Width cannot be a negative number so we'll discard -13/3.

width:  x = 5

length:  3x - 2 = 3(5) - 2 = 13

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3 years ago
How can you multiply 242x8 by breaking apart numbers
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3 years ago
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After its first day of life, a baby blue whale started growing. It grew 47.075inch. If the average baby blue whale grows at a ra
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Answer:

30 days(To the nearest tenth of a day)

Step-by-step explanation:

In this question, we are asked to give the number of days that a baby whale had grew to a size given the rate at which it grows per day.

We have been told that after the first day, it started growing to a point of 47.075 inch at a rate of 1.5 inch a day.

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8 0
3 years ago
Evaluate using the values given :<br> 3 pm; use m = 4, and p = 3
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Answer:

36

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

Step-by-step explanation:

<u>Step 1: Define</u>

3pm

m = 4

p = 3

<u>Step 2: Evaluate</u>

  1. Substitute:                   3(3)(4)
  2. Multiply:                       9(4)
  3. Multiply:                       36
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3 years ago
Please help me answer this math problemo!
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Answer:

3: alternate interior 4:alternate exterior 5:alternate exterior 6: alternate interior 7:alternate exterior

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