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il63 [147K]
3 years ago
14

What is an equation of the line that passes through the points (-4,-2) and (8, 1)?

Mathematics
1 answer:
stiv31 [10]3 years ago
7 0

Answer:

y=1/4x-1

Step-by-step explanation:

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Samantha ate a slice of cake that was a 12 degree wedge. If she eats the same amount of cake each day, how many days will it tak
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3 years ago
On Tuesday, Hayley only has 15 cups of flour and 9 eggs, but she has more than enough butter and sugar. Which system of linear i
BabaBlast [244]

<u>Missing part of the question</u>

Hayley bakes zucchini bread and banana bread. Some ingredients Hayley uses for each type of  bread are shown in the tables

Zucchini Bread

2 eggs        2 cups of flour       1.5 cups of sugar        0.5 stick of butter

Banana Bread

1 egg          3 cups of flour        2 cups of sugar          0.25 stick of butter

Answer:

2z + b \le 9

2z + 3b \le 15

Step-by-step explanation:

Given

Flour  = 15

Egg =9

Since there are enough of other ingredients, we will only consider the amount of eggs and cups of flour.

So, we have:

Zucchini Bread

Egg = 2

Flour = 2  

Banana Bread

Egg = 1

Flour = 3

<u>For the eggs</u>

The ratio of eggs to use in the Zucchini bread to Banana bread is:

Egg = 2 (z) : Egg = 1 (b)

This gives:

2z + 1b

The total number of eggs cannot exceed 9.

So, the inequality is:

2z + 1b \le 9

2z + b \le 9

<u>For the flours</u>

The ratio of flours to use in the Zucchini bread to Banana bread is:

Flour = 2 (z) :    Flour = 3 (b)

This gives:

2z + 3b

The total cups of flours cannot exceed 15.

So, the inequality is:

2z + 3b \le 15

Hence:

The system of inequalities is:

2z + b \le 9

2z + 3b \le 15

7 0
3 years ago
When tolls on the Dulles Airport Greenway were reduced from $2.25 to $1.50, traffic increased from 18,000 to 20,000 trips a day.
BaLLatris [955]

Answer:

The price elasticity demand for the Dulles Airport Greenway = -0.33

Step-by-step explanation:

Price elasticity of demand is the ratio of how much the quantity of good demanded changes compared to the original demand divided by the change in price compared to the original price of the good.

Mathematically,

Price elasticity of demand = (ΔQ/Q) ÷ (ΔP/P)

ΔQ = Change in quantity demanded = 20000 - 18000 = 2000

Q = initial quantity demanded = 18,000

ΔP = Change in price = 1.5 - 2.25 = -$0.75

P = Original price = $2.25

price elasticity of demand

= (2000/18000) ÷ (-0.75/2.25)

= - 0.3333

Hope this Helps!!!

8 0
3 years ago
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