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Bingel [31]
3 years ago
9

(6x 2 - x - 40) ÷ (5 + 2x)

Mathematics
1 answer:
Grace [21]3 years ago
7 0
<span> (3x - 8) • (2x + 5)<span>2</span></span>
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How can you slice a cube to create a triangular plane section? Show and describe the plane section formed by the slice.
FrozenT [24]

Answer:

If you slice it diaganily it will make a triangle shape!!

Step-by-step explanation:

4 0
3 years ago
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Which ordered pair is a solution to the system of equations?<br> (2x - y=-2<br> (5x – 2y = 7
mrs_skeptik [129]

Answer:

21

Step-by-step explanation:

the answer to everything is 21

4 0
3 years ago
Help can you please solve this.
saveliy_v [14]

Answer:

x= -2

Step-by-step explanation:

7x+26+5x=2

7x+5x=12x

12x=2-26

12x= -24

(divide both sides by 12)

x= -2

5 0
3 years ago
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Moe, Curly, and Larry are brothers. Moe is the youngest brother, white Larry is the oldest brother. Their ages are consecutive i
damaskus [11]

Answer:

middle brother = x

older brother = x+1

younger brother = x-1

x-1+x+x+1=129

3x+0=129

3x=129

x = 43(middle brother)

43-1 = 42(younger brother)

43+1 = 44(elder brother)

Check:

43-1+43+43+1=129

42+43+44=129

129=129

4 0
2 years ago
Simplify. (√5+4) (√5 - 2)​
son4ous [18]

Answer:

2√5 - 3

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>

<u>Algebra I</u>

  • Terms/Coefficients
  • Expand by FOIL

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

(√5 + 4)(√5 - 2)

<u>Step 2: Simplify</u>

  1. Expand [FOIL]:                                                                                                  (√5)² - 2√5 + 4√5 - 8
  2. Combine like terms:                                                                                           (√5)² + 2√5 - 8
  3. Evaluate exponents:                                                                                        5 + 2√5 - 8
  4. Combine like terms:                                                                                         2√5 - 3
6 0
2 years ago
Read 2 more answers
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