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lozanna [386]
3 years ago
6

What is the rate of change of the linear relationship modeled in the table?

Mathematics
1 answer:
Rudiy273 years ago
5 0

Answer:

the slope of the line is -1, if that is what you mean

Step-by-step explanation:

y2-y1/x2-x1

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jim ordered a sports drink and three slices of pizza for $8.50. His friend ordered two sports drink and two slices of pizza for
inna [77]

Answer:

  • drink cost: $1.75
  • slice of pizza cost: $2.25

Step-by-step explanation:

Let d and p represent the costs of a drink and a pizza slice, respectively. The two orders have a value ...

  d + 3p = 8.50

  2d + 2p = 8.00

Subtracting the second equation from twice the first gives ...

  2(d +3p) -(2d +2p) = 2(8.50) -(8.00)

  4p = 9.00 . . . . . simplify

  p = 2.25 . . . . . . divide by 4

Solving the first equation for d and putting in the value, we have

  d = 8.50 -3p = 8.50 -3·2.25 = 8.50 -6.75

  d = 1.75

The cost of a drink is $1.75; the cost of a pizza slice is $2.25.

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3 years ago
Ose has 50 coins in a jar. 20% are nickels, 40% are quarters, and the rest are pennies. (6.RP.3c-Benchmark #3)
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Answer:

Part A: 40% are pennies

Part B: NIckels 10, Quarters 20, Pennis 20

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