3 years ago

Find the slope of the line that passes through the points (-2,3) and (7,-4).

Mathematics

1 answer:

Rashid [163]3 years ago

3 0

Answer: it is c

Step-by-step explanation:

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2 years ago

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3 years ago

30.) Find the value of y: y/5+(-8)=-5<br>a. y = 5<br>b. Y= 10<br>c. Y = 15<br>d y = 20

zheka24 [161]

The answer is c. Y=15

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3 years ago

The equation p=1.5r graphed find price p, in dollars for r pounds of rice

disa [49]

Answer:

Hope that help you mark me brinilylist

Step-by-step explanation:

Given that 5 pounds of rice at a store cost $6.50.

Then 1 pound of rice at a store cost = $6.50/5= $1.3

So the equation for the cost can be written as:

C=1.3P just like we write equation y=mx

Now we have to graph the cost C, vs pounds of rice.

Variable for Pounds of rice is not given so let it be "P"

So let's make a table for the number of pounds (P) and cost (C) we can graph the points from that table to get the final graph.

The Attached graph is the final graph.

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2 years ago

If a rock falls from a height of 40 meters on Earth, the height H (in meters) after x seconds is approximately

Julli [10]

Once the rock hits the ground, we know that its height will be equal to 0m
because of this, we can replace H(x) with 0
$40 - 4.9 {x}^{2} = 0$
now all we have to do is get x by itself
so..
$4.9 {x}^{2} = 40$
then
${x}^{2} = 40 \div 4.9$
${x}^{2} = 8.1632...$
now take the square root of each side
$x = 2.857...$
2.857 seconds (rounded to the third decimal)

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2 years ago