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3 years ago

The point (-1, 8) is on a line that has a slope of -3. Is the point (4, -7) on the same line?

1 answer:

3 0

First you can use the formula and find your line so the formula is : y = mx + b and m is the slope and b is the y-intercept so now you should find b :
8 = -3 (-1) +b ⇒ 8 = 3 + b ⇒ 5 =b so now you have : y = -3x + 5 and if you want to know that the (4 , -7) is in this line or not you can say :
-7 = -3(4) + 5 ⇒ -7 = -12 + 5 ⇒-7 = -7 so the point is on the same line :)))
i hope this is helpful
have a nice day

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Ana hikes at a constant speed. She travels 6 miles in 2 hours. use the equation to find the distance Anna travels in 1.5 hours

sdas [7]

Anna travels 4.5 miles in 1.5 hours.

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3 years ago

Samuel is 5/8 inch taller than Jackie, Shelly is 0.7 inch taller than Jackie, Craig is 1/2 inch taller than Jackie, who is the t

miskamm [114]

If you would like to know who is the tallest, you can calculate this using the following steps:

Jackie ... j
Samuel: 5/8 inch + j = 5/8 + j = 0.625 + j
Shelly: 0.7 inch + j = 0.7 + j
Craig: 1/2 inch + j = 1/2 + j = 0.5 + j

The correct result would be: Shelly is the tallest.

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3 years ago

Given a line segment that contains the points A,B, & C in order, if AB = x + 12, and BC = 2x - 4, and AC = 26, find x.

Troyanec [42]

Answer:

x = 6

Step-by-step explanation:

If A, B and C lies on a straight line in order, then;

AB+BC = AC

x+12+2x-4 = 26

x+2x+12-4 =26

3x+8 = 26

3x = 26-8

3x = 18

x = 18/3

x = 6

Hence the value of x is 6

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3 years ago

If the volume of a cube is 27 metre cube find one of side

Irina-Kira [14]

All the sides are 3 since volume is L*W*H you get 3*3*3 = 9*3 = 27

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3 years ago

A toy company had an order of five boxes to ship unfortunately this was 17 pounds over the shipping weight limit per order of ea

pochemuha

Answer:

28 pounds

Step-by-step explanation:

We have a total of 5 boxes, now we know that each box weighs 9 pounds, therefore:

Total weight = 5 * 9 = 45 pounds

Which means there are 45 pounds in total.

We are told that the limit is exceeded by 17 pounds. To find the limit weight, it is necessary to subtract the total weight and the excess:

45-17 = 28 pounds

Therefore, the maximum weight allowed per shipment is 28 pounds.

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3 years ago