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romanna [79]
4 years ago
15

Write the equation of the line that has a slope of 2/3 and passes through (0,-7).

Mathematics
1 answer:
likoan [24]4 years ago
6 0
The equation of the line is (slope-intercept) y=\frac{2}{3}x+(-7) or (standard form) \frac{-2}{3}x+y=-7
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A company's revenue function and cost function are as follows: R(x) = 0.55x and C(x) = 10 + 0.05x. What is the minimum number of
Oduvanchick [21]

Answer:

Minimum number of units sold to make profit is equal to 20

Step-by-step explanation:

Revenue earned by the company as a function of number of units sold as x:

R(x) = 0.55x

Cost for selling units as a function of number of units sold as x:

C(x) = 10 + 0.05x

<em>Net profit earned by the company = (Revenue earned by the company) - (Cost of selling units)</em>

P(x) = (0.55x) - (10 + 0.05x)

P(x) = 0.55x - 10 - 0.05x

P(x) = 0.5x - 10

To earn profit the following condition should satisfy: P(x) ≥ 0

0.5x - 10 ≥ 0

0.5x ≥ 10

x ≥ \frac{10}{0.5}

x ≥ 20

4 0
3 years ago
The formula F=9/5c changes a temperature reading from the Celsius scale C to the Fahrenheit scale F. What is the temperature mea
pogonyaev

Answer:  The correct formula for converting C to F is:

F = (9/5)C + 32

30°C = 86°F

Step-by-step explanation:

F = (9/5)C + 32

F = (9/5)(30C) + 32

F = 86°F

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3 years ago
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Answer:

Annie's Orange Grove

Step-by-step explanation:

* you need to find out how much each pound of oranges cost at both orchards.

* to do so you take the total amount of money and divide it by the number of pounds you get.

1) 7.25 ÷ 20 = .36

2) 5 ÷12 = .4

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The answer is
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2 years ago
Calculate (7y + 120) + (5y +168) = 180
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Answer:

y = -9

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

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3 years ago
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