Write an equation for the line that passes through the points (-5, 4) and (3, -2)

1 answer:

4 0

Find the slope:

y2 - y1/x2 - x1

plug in our values: -2-4/3-5

subtract: -6/-2

divide: 3/1

m = 3/1

now we need to put it in point slope form:
y - y1 = m(x - x1)

plug in our values: y - 4 = 3(x-5)

distribute the 3 to the values inside the parentheses by multiplication:

y - 4 = 3x - 15

get y by itself by getting rid of the 4 through addition:

y - 4 + 4 = y
3x - 15 + 4 = 3x - 11

equation for this line: y = 3x - 11

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If there's a three day rain forecast for the probability of rain , 70% Friday, 70% Saturday, 70% Sunday A) work out the probabil

jeyben [28]

Answer:

a) 34.3%

b) 49%

Step-by-step explanation:

In order to find the probability of a sequence of events, we need to multiply each individual probability by the others in decimal form. Therefore, we need to turn these probabilities into decimal form by dividing them by 100 like so..

70% / 100 = 0.70

Now we multiply all of them together and multiply the product by 100 to get the percentage.

0.70 * 0.70 * 0.70 = 0.343

0.343 * 100 = 34.3%

34.3% is the probability of it raining on all three days. Now to find the probability of it raining on two consecutive days we do the same but multiply only 2 probabilities

0.70 * 0.70 = 0.49

0.49 * 100 = 49%

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3 years ago

What is the correct order of steps to change 4x+2y=14 from standard form to slope intercept form

Mariulka [41]

Answer:

1)2y=14-4x

2)y=7-2x

Step-by-step explanation:

Isolate y

then divide by 2