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NikAS [45]
3 years ago
15

A number multiplied by 7 is less than 21. Which of the following expressions correctly identifies this sentence?

Mathematics
1 answer:
Vlada [557]3 years ago
8 0

Answer:

Step-by-step explanation:

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100 POINTSbrainlest to the person who get it right
Zina [86]

Answer:

[1] x² - 4/2x - 4

  • 3² - 4/2 × 3 - 4 = 9 - 4/2
  • 5/2

[2] 4 - 3x/2x + 4

  • 4 - 3 × 2/2 × 2 + 4 = 2/8
  • 1/4

[3] x²/2x² - 2

  • 0²/2 × 0² - 2
  • 0

[4] x² + 5/5 - x

  • - 2² + 5/5 + 2 = 4 + 5/7
  • 9/7

[5] - x³/x² - 4

  • - 1³/-1² - 4 = - 1/1 - 4
  • 1/3

[6] x + 3/x³ - 1

  • - 3 + 3/- 3³ - 1 = 0/- 27 - 1
  • 0

[7] 5 - x²/3x²

  • 5 - (- 4)²/3 × - 4² = 5 - 16/3 × 16
  • - 11/48

[8] - 2x + 6/2x³ - 3

  • - 2 × - 2 + 6/2 × - 2³ - 3
  • 10/- 19

[9] 4x²/- 3x² + 1

  • 4 × 1²/- 3 × 1² + 1 = 4/- 2
  • - 2

[10] 4x - 1/6x + 1

  • 4 × 3 - 1/6 × 3 + 1
  • 11/19

[11] x² - 1/x² + 1

  • 1² - 1/1² + 1 = 0/2
  • 0
8 0
3 years ago
Read 2 more answers
What number is less than 8​
marshall27 [118]

Answer:

any number that isn't 8 or above it

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Is the square root of infinity still infinity?.
hram777 [196]
The square root of infinity is still infinity, or rather, undefined or indeterminate. For example, if you take the square root of a big number, you will still have a big number as a result, now if you make the number even bigger, the square root will also get bigger, now imagine what will happen if this number is infinite.
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3 years ago
Helpppppppppppppppp messssss plzzzzzzzzzzzzzzz
elena-14-01-66 [18.8K]

Answer:

1=b

2=f

3=d

4=e

5=a

6=b

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3 0
3 years ago
Help me please.
mart [117]

Answer:

∧ABC ≈ ∧PQR  Angle-Angle Similarity Postulate

∧  ABC ≈ ∧  DEF   Side-Side-Side Similarity Postulate

Step-by-step explanation:

5 0
2 years ago
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