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finlep [7]
3 years ago
9

ann arranges her marbles in groups, with 8 marbles in each group. She writes the fraction 5/8 to show the fraction of marbles in

a group that is red. What equivalent fraction name the fraction of marbles in 6 groups that are red? Explain
Mathematics
1 answer:
DerKrebs [107]3 years ago
8 0
If there are 8 marbles in a group , and 5 out of every 8 is red, than in six groups there would be 5, 10, 15, 20, 25, 30 red marbles.

This lists the group of 6 sets.

30 red marbles in 6 sets.
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If y varies directly as x, and y is 18 when x is 5, which expression can be used to find the value of y when x is 11?
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Answer: The value of y is 39.6 when x = 11 and the required expression is y(11) = 39.6

Step-by-step explanation:

Since we have given that

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So, we need to find the value of y when x is 11.

According to question, we get that

\dfrac{y}{x}=\dfrac{18}{5}=\dfrac{y}{11}\\\\18\times 11=5y\\\\198=5y\\\\\dfrac{198}{5}=y\\\\y=39.6

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2 years ago
what is the equation in point-slope form of the line that passes through the point (-2,10) and has slope -4
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What is the equation in point -slope form of a line that passes trough the points (3,-5) and (-8,4)
Ilia_Sergeevich [38]

Answer:

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Step-by-step explanation:

P1=(3,-5)=(x1,y1)→x1=3, y1=-5

P2=(-8,4)=(x2,y2)→x2=-8, y2=4

Equation in Point-Slope Form: y-y1=m(x-x1)

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Equation in the point - slope form:

y-(-5) = -(9/11) (x-3)

y+5 = -(9/11) (x-3)

8 0
3 years ago
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