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Dimas [21]
3 years ago
9

This doesn’t make sense explain plz

Mathematics
1 answer:
AnnZ [28]3 years ago
5 0

Its simple, graph them.

For the first equation, go on the Y-Axis (the vertical one) and go to 4. Then from there go up 1, right 6.

For the second equation go on the Y-Axis (the vertical one) and plot a point at 1 (aka 0,1) Now you go up 1, right 3.

When you see an equation like y=2x+3, the 3 represents the point (0,3) as when the x is 0, y=3. Just plug the numbers in. And as for the "2x" 2 is the slope. Slope is always rise/run or up, then right. So if its 2 your slope is 2/1, rise 2, over 1. If it "-2x" is your slope then all you have to do is go down 2, right 1.

I hope this cleared up your confusion, brainliest/heart would help.

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zvonat [6]

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214 ft^3

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Here, we are asked to calculate the volume of the cylindrical construction pipe.

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Putting these values, we have;

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Step-by-step explanation:

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A jar has 2 red marbles and 3 blue marbles. Two marbles are drawn at random without replacement from the jar.
ruslelena [56]

Answer:  The required answers are

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(b) 0.3.

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We are to find the probability that

(a)  the second marble is red.

(b)  the second marble is red, given that the first is blue.

(a) Here, we need to find the probability that the second ball drawn is red. That is, the first ball may be red or blue.

If first ball is red, then the probability that the second ball is red is given by

p_1=\dfrac{2}{5}\times\dfrac{1}{4}=\dfrac{1}{10}.

If first ball is blue, then the probability that the second ball is red is given by

p_2=\dfrac{3}{5}\times\dfrac{2}{4}=\dfrac{3}{10}.

Therefore, the probability that the second ball drawn is red is

p=p_1+p_2=\dfrac{1}{10}+\dfrac{3}{10}=\dfrac{4}{10}=\dfrac{2}{5}=0.4.

(b) Here, we need to find the probability that the second marble is red, given that the first is blue.

From part (a), we get that

the probability that the second ball is red, given that the first marble drawn is blue is

p=\dfrac{3}{10}=0.3.

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(b) 0.3.

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