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Alenkasestr [34]
3 years ago
10

Hailey swims for 423 minutes today. That's 9 times as much as she swam yesterday. How long did Hailey swim yesterday?

Mathematics
1 answer:
deff fn [24]3 years ago
3 0

Answer:

She swam 47 minutes yesterday

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Solve using substitution:<br> y = 22x + 10<br> y = 20x + 16
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Answer:

x=3, y=76

Step-by-step explanation:

You set them equal because you plug in "y" as 22x+10 into "y=20x+16"

22x+10=20x+16

2x=6

x=3

20(3)+16=76

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Select the ordered pairs that satisfy the equation y=1/5x.Check all that apply.
vovikov84 [41]

Answer: C, E, F

Step-by-step explanation:

  1. Plug in the "x" and "y" values from the ordered pairs into the equation.
  2. For A: 3 = \frac{1(5)}{5} → 3 ≠ 1 → A is eliminated.
  3. For B: 5 = \frac{1(1)}{5} → 5 ≠ \frac{1}{5} → B is eliminated.
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  6. For E: -1 = \frac{1(-5)}{5}→ -1 = -1 → E satisfies the equation.
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The Answer is (D. No solution)
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