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anzhelika [568]
3 years ago
15

A slope of -2 and a y-intercept of -7

Mathematics
2 answers:
rosijanka [135]3 years ago
8 0
Y=-2x-7
Y=mx+b where m is the slope and b is the y-intercept
Tanzania [10]3 years ago
3 0

Answer:

y = -2x - 7

Step-by-step explanation:

y = mx + b

m = slope = -2

b = y-int. = -7

Plug them in, you get y = -2x - 7

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In the picture PLEASE HELP
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I believe it's not a function because the input (x) 4 has two outputs(y), 2 and 8.
5 0
3 years ago
Michael gave 2/5 of his marbles to his sister. He then divided the remainder equally among his 3 friends. If each of his friends
eduard
He had 50 marbles at first
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3 years ago
Lauren in making 15 liters of mimosas for a brunch banquet. Orange juice costs her $1.50 per liter and champagne costs her $12 p
PSYCHO15rus [73]

Answer:

  • 10 liters of orange juice
  • 5 liters of champagne

Step-by-step explanation:

Let c represent the number of liters of champagne Lauren uses. Then (15-c) will be the number of liters of orange juice. The total cost of the mix will be ...

  12c +1.50(15-c) = 5.00(15)

  10.5c = 52.50 . . . . . subtract 22.50, simplify

  52.50/10.5 = c = 5 . . . . divide by the coefficient of c

Then the amount of orange juice is ...

  15 -c = 15 -5 = 10 . . . . liters

Lauren should use 5 liters of champagne and 10 liters of orange juice.

4 0
3 years ago
{(-3.7).(-5, -8), (-6, -1). (-9, -1), (0, -3) }
zhenek [66]

Answer:

The domain is the set of all the values of x, so it would be -3, -5, -6, -9, 0. The range would be every set of y, so it would be 7, -8, -1, -3. Finally, this relation is indeed a function.

Domain: -3, -5, -6, -9, 0

Range: 7, -8, -1, -3

Is it a function? Yes

4 0
3 years ago
Variable y varies directly with variable x, and y = 6 when x = 9.
lesantik [10]
X and y are proportional hence when y is multiplied by a number, x is multiplied by the same number.

18=6*3 hence when y=18,x=9*3=27

x=27
5 0
3 years ago
Read 2 more answers
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