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vampirchik [111]
2 years ago
8

Please help! I need help on my math grade problem. Please explain if you could

Mathematics
2 answers:
KATRIN_1 [288]2 years ago
7 0
Answer: 3! Hope this helps!
Rus_ich [418]2 years ago
4 0

Answer:

Answer = 3

Step-by-step explanation:

Constant of proportionality = slope

Slope=\frac{y^{2}-y^{1}  }{x^{2}-x^{1}  } =\frac{12-9}{4-3}=\frac{3}{1}=3

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The number of calories you burn depends on your weight. A 160​-pound person burns 237 calories during 30 minutes of tennis. Find
larisa [96]

Answer:

A 190-pound person would burn 285 calories at the same rate.

Step-by-step explanation:

<em>Calories burn depends on the weight</em>

<em>Weight of first person = 160</em>

Calories burn for 160 pounds in 30 mins =  237

Calories burn rate for 1 pound in 30 mins = \frac{237}{160} = 1.5


<em>Calories burn for 190 Pound person would be:</em>

Weight of second person = 190

Calories burn for 190 pounds in 30 min:

As the burn rate of calories is same for the two persons:

= rate × weight

= 1.5 * 190

= 285 calories

5 0
3 years ago
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max2010maxim [7]

Answer:

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3 0
3 years ago
Please help with my Algebra What is the solution to the system of equations? {6x−2y=−144x−3y=−31
LenKa [72]
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explanation
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3 0
3 years ago
What is the value of x?
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There are two things you can do.
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7 0
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Read 2 more answers
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