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alex41 [277]
3 years ago
5

The cost C(in dollars) for the care and maintenance of a horse and carriage is C=15x+2000. the company charges $35 per ride. Wri

te an equation for the revenue R in terms of the number of rides
Mathematics
1 answer:
Vera_Pavlovna [14]3 years ago
4 0
So let R equal to the revenue of the company
x be the number of rides
since the cost per ride is $ 35
so the equation for revenue is
R = 35x
the profit can also be solve
profit = revenue - cost

profit = R - C
profit = 35x - 15x - 2000
profit = 20x - 2000
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The average systolic blood pressure was found to be 140 mm for people who have high responsibility jobs, specifically investment
9966 [12]

Answer:

Option B)

H_{0}: \mu = 140\text{ mm}\\H_A: \mu < 140\text{ mm}

Step-by-step explanation:

We are given the following in the question:

Hypothesis:

The doctors and u=instructor claims that practicing yoga reduces blood pressure and hence is beneficial to people.

Population mean, μ =  140 mm

Sample mean, \bar{x} =  139 mm

Sample size, n = 51

Sample standard deviation, s = 5 mm

Thus, we can design the null hypothesis and alternate hypothesis as

H_{0}: \mu = 140\text{ mm}\\H_A: \mu < 140\text{ mm}

The null hypothesis states that the population have a blood pressure of 140 mm. The alternate hypothesis states that yoga reduces the blood pressure and the sample has a blood pressure less than 140 mm.

Thus, the correct answer is

Option B)

H_{0}: \mu = 140\text{ mm}\\H_A: \mu < 140\text{ mm}

3 0
3 years ago
How many cups are in a gallon
Digiron [165]
1 cup: 8 oz
1 pint: 2 cups
2 pints: 1 quart
4 quarts: 1 gallon
by looking at this scale you will multiply the needed #s:
2 times 2 = 4    4 times 4 = 16 so there are 16 cups in a gallon 
6 0
3 years ago
Read 2 more answers
Solve the equation for all values of x by completing the square.<br> x2 + 21 = 10x
sashaice [31]

Answer:

oookkk

Step-by-step explanation:

oofookkjjjnnn

ooo6

3 0
3 years ago
Plz plz help me tysm if u do
Yanka [14]
1) 4
2) 16
3) 16
4) 6
5)12
6) 4
4 0
3 years ago
Solve 11 2/5 = q - 4 2/7 + 2 1/7
RideAnS [48]
I turn the mixed numbers into decimals before doing anything else.
11 2/5----> 57/5----> 11.4
4 2/7----> 30/7----> 4.29
2 1/7----> 15/7----> 2.14

11.4=q-4.29+2.14
11.4=q-2.15
13.55= q

13.55 converted to a fraction is 13 11⁄20
q=13 11⁄20
6 0
3 years ago
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