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RoseWind [281]
3 years ago
8

PLEASE HELP ASSAP LIKE NOW Graph the system of equations on graph paper to answer the question.

Mathematics
1 answer:
7nadin3 [17]3 years ago
3 0

Answer:

<em>(-3, -1)</em>

Step-by-step explanation:

Given the system of equation

y=1/3x-2

y=-3x – 12

Since both equations are y values, we will equate then=m to each other as shown;

1/3x - 2 = -3x - 12

x/3  + 3x  = -12 + 2

(x+9x)/3 = -10

x+9x = -30

10x = -30

x = -30/10

x = -3

Substitute x = 3 into equation 1;

From 1: y=1/3x-2

y=1/3(3)-2

y = 1 - 2

y = -1

<em>Hence the required solution (x, y) is (-3, -1)</em>

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inysia [295]

Answer:

a) $0.83

b) k = 1.205

c) In the context of this problem, k means

The number of chocolate chip cookies increases as the price increases because number of chocolate chip cookie is directly proportional to its price

Step-by-step explanation:

Sara has opened her own bakery, where customers can buy three chocolate chip cookies for $2.49.

a. What is the unit price?

The unit price means the cost of 1 cookie

Hence:

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1 chocolate chip cookies = x

3x = $2.49 × 1

x = $2.49 × 1/3

x = $0.83

Hence, the unit price = $0.83

b. What is the constant of proportionality, or k?

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Where k is constant of proportionality

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Hence,

k = 3/2.49

k = 1.2048192771

k = 1.205

c. In a complete sentence, explain what k means in the context of this problem.

In the context of this problem, k means

The number of chocolate chip cookies increases as the price increases because number of chocolate chip cookie is directly proportional to its price

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Step-by-step explanation:

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Step-by-step explanation:

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