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ollegr [7]
3 years ago
11

Use the table to determine whether the relationship is proportional. If so, write an equation for the relationship. Tell what ea

ch variable you used represents.

Mathematics
1 answer:
Neporo4naja [7]3 years ago
6 0

Answer:

y = 25x, proportional relationship

Step-by-step explanation:

Let "x" = number of hours read (replace with "h" if that's the variable your teacher wants)

Let "y" = number of pages read (you can use any other variables if you want)

Let's first calculate the slope using \frac{y_{1} - y_{2}}{x_{1} - x_{2}} with any two points, I'm going to use  (2, 50) and (3, 75):

\frac{y_{1} - y_{2}}{x_{1} - x_{2}} = \frac{50 - 75}{2 - 3} = \frac{-25}{-1} = 25

Our slope is m = 25.

Now we can use the point-slope form y-y_{1} = m(x-x_{1})  with our slope and any point (I'll use (2, 50)) to figure out the equation:

y-y_{1} = m(x-x_{1}) \\ y-50 = 25(x-2)

Simplify:

y-50 = 25(x-2)\\y-50 = 25 x -50\\ y = 25x

Since the slope is positive, the relationship is proportional.

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Find the volume of a cylinder with a height of 16ft and diameter of 7 feet. Write answer in pie
finlep [7]

Answer:

Step-by-step explanation:

volume of cylinder=V=πr^2h

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radius=7/2 ft

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5 0
3 years ago
What is 47 ÷ 12 1/3 =​
Pepsi [2]

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(Decimal: 0.129477)

5 0
2 years ago
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Tomtit [17]
To solve the question we use the following analogy:
Given that the odds of winning is a/b, then the probability is b/(a+b)
hence to solve the question we proceed as follows:

a]
P(E)=11/36
odds against E=(36-11)/11
simplifying this gives us:
25/11

b] P(E)=31/36
odds against E=(36-31)/31
simplifying this we get:
5/31
hence odds in favor of E=31/5


c]P(E)=32/36
odds in favor of E will be:
36/(36-32)
simplifying the above we get:
36/4
=9/1

d]
P(E)=30/36
odds against E will be:
(36-30)/36
simplifying this we obtain:
6/36
=1/5

e] P(E)=13/36
odds against E will be:
(36-13)/13
simplifying this we obtain:
23/13



6 0
3 years ago
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