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alex41 [277]
4 years ago
10

Jodi is considering taking online classes at two websites, LearnCenter and EduWorld. Each site requires that students pay a base

membership fee, plus they charge a rate per class. The two graphs show the cost for taking online classes through the two websites. A graph titled Cost to Take Classes at LearnCenter has number of classes on the x-axis and cost in dollars on the y-axis. A line goes through points (0, 50) and (1, 70). A graph titled Cost to Take Classes at EduWorld has number of classes on the x-axis and cost in dollars on the y-axis. A line goes through points (0, 20) and (1, 60).
Mathematics
2 answers:
ohaa [14]4 years ago
7 0

Answer:

B-LearnCenter charges a higher membership fee but a lower rate per class.

Step-by-step explanation:

tresset_1 [31]4 years ago
5 0

Answer: The answer is b if u wanna u can mark brainliest but  dont haft to but it would help. Hope this helps

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Use proportional reasoning to solve for the missing value in each of the following scenarios. Enter a numerical answer only.A bu
yuradex [85]

Q1. A business jet burns 300 gallons of gasoline per hour. How many gallons of gasoline will the jet burn in a three hour flight?

Let the number of gallons required in 3 hours be = x

\frac{x}{3}=\frac{300}{1}

x=900 gallons.

Answer: The business jet burns 900 gallons of gasoline in a three hour flight.

Q2. On average, one gallon of gasoline weights approximately six pounds. How many pounds does fifty gallons of gasoline weigh?

Let the weight in pounds of 50 gallons be = x

\frac{1}{6}=\frac{50}{x}

x=300 pounds

Answer: Fifty gallons of gasoline weighs 300 pounds.

Q3. For every one yard, there are thirty-six inches. Convert 2,124 inches to an equivalent number of yards.

Let the number of yards be = x

\frac{1}{36}=\frac{x}{2124}

36x=2124

x=\frac{2124}{36}=59 yards

Answer: 2,124 inches = 59 yards

Q4.  A person who weighs 240 pounds burns 180 calories per mile of running. If a person burns thirty-six calories by running one mile, how much does the person weigh?

Let the weight of the person be = x

\frac{240}{180}=\frac{x}{36}

180x=240\times36

180x=8640

x=48 pounds

Answer: A person who weighs 48 pounds, burns thirty-six calories while running one mile.

Q5. A rice casserole recipe serves four people and requires two tablespoons of butter. How many people will the rice casserole serve if the recipe is scaled to require six tablespoons of butter?

Let the number of people who can be served be = x

\frac{4}{2}=\frac{x}{6}

2x=24

x=12

Answer: A rice casserole that requires six tablespoons of butter serves 12 people.



5 0
3 years ago
Find the value <br><img src="https://tex.z-dn.net/?f=%282x%290" id="TexFormula1" title="(2x)0" alt="(2x)0" align="absmiddle" cla
charle [14.2K]

\bf {(2x)}^{0}  = 1

The rule is that any number raised to the power of 0 equals to 1.

So if 2 or 1,000,000 is raised to the power of 0 it equals 1.

But 0 to the power 0 is undefined!

0 to any positive power is 0, so 0 to the power 0 should be 0. But any positive number to the power 0 is 1, so 0 to the power 0 should be 1. We can't have it both ways. Underlying this argument is the same idea as was used in the attempt to define 0 divided by 0.

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3 years ago
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