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Marrrta [24]
2 years ago
6

HELP ASAP!! 50 POINTS!!!(picture included) What are the solutions to the system of equations?

Mathematics
2 answers:
Andrej [43]2 years ago
7 0
It should be the second one (-1, 13) and (3, 5)
tigry1 [53]2 years ago
6 0

Answer:

  • B. (-1, 13) and (3, 5)

Step-by-step explanation:

<u>Solve by elimination:</u>

  • x² - 4x + 8 = -2x + 11
  • x² - 2x = 3
  • x² - 2x + 1 = 4
  • (x - 1)² = 2²
  • x - 1 = 2 ⇒ x = 3
  • x - 1 = -2 ⇒ x = -1

<u>Find values of y:</u>

  • y = -2(3) + 11 = 5
  • y = -2(-1) + 11 = 13

<u>The pairs are:</u>

  • (3, 5) and (-1, 13)

Correct choice is B

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32% of 1600 = 512
yaroslaw [1]

Answer:

  • 64%: 1024
  • 96%: 1536
  • 132%: 2112
  • 232%: 3712

Step-by-step explanation:

<u>64% of 1600</u>

  64% of 1600 = 2 × (32% of 1600) = 2×512

  64% of 1600 = 1024

<u>96% of 1600</u>

  96% of 1600 = 3 × (32% of 1600) = 3×512

  96% of 1600 = 1536

<u>132% of 1600</u>

  132% of 1600 = (100% of 1600) + (32% of 1600) = 1600 + 512

  132% of 1600 = 2112

<u>232% of 1600</u>

  232% of 1600 = (100% of 1600) + (132% of 1600) = 1600 +2112

  232% of 1600 = 3712

3 0
3 years ago
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lbvjy [14]
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5*21
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A rectangular bin has a perimeter of 36 inches. The length of the bin is twice the width. Write and solve an equation to determi
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2x + 4x = y
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Mazyrski [523]
10, 11, 12

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Step-by-step explanation:

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