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bogdanovich [222]
2 years ago
10

Write the equation of a line in slope-intercept form that goes through: (4,-1) and (-2,-4)

Mathematics
1 answer:
Sergeu [11.5K]2 years ago
8 0

Answer:

y=1/2x-3

Step-by-step explanation:

1) Find slope... (y2-y1)/x2-x1–> (-4-(-1))/-2-4=-3/-6=1/2

2) Pick a coordinate and plug into equation y-y1=m(x-x1)—> y-(-1)=1/2(x-4)

3) Simplify to make y alone —> y=1/2x-3

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a rectangle swimming pool is 4 ft deep. one side of the pool is 2.5 times longer than the other. the amount of water needed to f
mojhsa [17]

Find the are of the pool by dividing the volume by the depth:

1960 / 4 = 490

The pool is 490 square feet.


Area is found by multiplying the length by the width.

Let the width = X

We are told the length is 2.5X ( 2.5 times longer)


So we now have 2.5x * x = 490


2.5x * x = 2.5x^2


Now we have 2.5x^2 = 490


Divide both sides by 2.5:

x^2 = 490/2.5

x^2 = 196

find X by taking the square root of 196:

x = √196

x = 14


The width is 14 feet

The length is 2.5 * 14 = 35 feet

8 0
3 years ago
Find x 6787+x=99798999?<br><br><br> dom join my remind ......28gc97d
wolverine [178]

Answer:

x=99792212

Step-by-step explanation:

get the x alone by subtracting 6787 from both sides

6787-6787+x=99798999-6787

x=99792212

Hope this helps!

5 0
2 years ago
Read 2 more answers
The relationship between a distance x in a garden and the corresponding distance y in a model of the garden is y = kx. A triangu
iragen [17]

Answer:

1/6

Step-by-step explanation:

4 0
3 years ago
I need help on these questions can u make sure u do all of them cuz some people just only do one problem.
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8 0
2 years ago
In 2015, an autonomous vehicle drove from the Golden Gate Bridge to New York City at an average speed of 15.7 miles per hour. Th
ivolga24 [154]

The speed is the distance covered by an object at a particular time. The distance that is covered by the vehicle is 3,391 miles.

<h3>What is speed?</h3>

The speed is the distance covered by an object at a particular time. Therefore, it is the ratio of distance and time.

Speed = Distance / Time

Given that the journey took 9 days. Therefore, the time in hours will be equal to,

Time = 24 hours/day × Number of days

        = 24× 9

        = 216 hours

Also, given that the speed of the vehicle is 15.7 miles per hour, the number of hours for which it travels is 216 hours.

Distance = Speed × Time

              = 15.7 miles/hour × 216 hours

              = 3,391.2 miles

Hence, the distance that is covered by the vehicle is 3,391 miles.

Learn more about Speed here:

brainly.com/question/15100898

#SPJ2

4 0
1 year ago
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