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Aleksandr [31]
3 years ago
9

PLEASE HELP!! BRAINLIEST OFFERED!!!

Mathematics
2 answers:
bagirrra123 [75]3 years ago
6 0

Answer:

f(x) = (2/3)x - 2

Step-by-step explanation:

It is immediately evident that this line crosses the y-axis at (0, -2).  This is the y-intercept.  The line also passes through (3, 0).

As we move from (0, -2) TO (3, 0), x increases by 3 and y increases by 2.  Thus, the slope, m, is m = rise / run = 2/3.

The equation of the line is thus:

f(x) = mx + b

f(x) = (2/3)x - 2.  This matches the fourth answer choice.

Margaret [11]3 years ago
5 0

Answer:  f(x)= 3/2x-2

Step-by-step explanation:

So if you know how to graph on a calculator and put all the points in,  it'll give you all the points plotted and when i did that i got

f(x)= 3/2x-2

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Suppose that two people standing 2 miles apart both see the burst from a fireworks display. After a period of​ time, the first p
Usimov [2.4K]

Answer: approximately 5148 feet directly north of point A

This is equivalent to 0.975 miles

==============================================================

Explanation:

Check out figure 1 (attached image below) to see how the drawing is set up.

Points A and B are separated by 2 miles, or 10560 feet. Use the conversion factor 1 mile = 5280 feet.

Because sound travels at roughly 1100 feet per second (assuming all of the conditions are right), this means that after x seconds, the sound wave has traveled a total distance of 1100x feet. This is the distance from A to C. Point C is the firework location.

The distance from B to C is 1100(x+6) feet because it takes 6 more seconds for the soundwave to travel from C to B, compared from C to A.

Note that triangle ABC is a right triangle. The 90 degree angle is at point A.

We can use the pythagorean theorem to solve for x

See figure 2 in the attached images to see the steps on solving for x. The numbers get quite big, though in the end x is fairly small. We end up with x = 4.68, which is approximate due to the 1100 figure being approximate.

This means the sound wave takes about 4.68 seconds to go from point C to point A.

With this x value, we can compute the expression 1100x to get

1100*x = 1100*4.68 = 5,148 feet

To convert this to miles, divide by 5280

(5148)/(5280) = 0.975

Therefore,

5148 feet = 0.975 miles

6 0
3 years ago
Jerry paid $54.40 for 4 Circus tickets. Each ticket cost the same amount. What was the cost of each Circus ticket in dollars and
AnnyKZ [126]

Answer : 13.6

Each ticket

4 0
3 years ago
Read 2 more answers
A car is traveling at a speed of 30 miles per hour. what is the car's speed in miles per minute? how many miles will the car tra
Aleksandr-060686 [28]
30 divided by 60 is 1/2 
1/2 miles per minute

10 x 1/2 = 5
5 miles in 10 minutes

Hope this helped
5 0
3 years ago
Consider the given right triangle. If and a = 25 m,<br> then b =<br> m.
Elza [17]

Answer:

Assuming that a and b are not the hypotenuse then B would be equal to A, so B would equal 25m

Step-by-step explanation:

I hope this is right, you didn't put a picture.

8 0
3 years ago
Answer the question below
butalik [34]

Answer:

x=-1

y=-5

Step-by-step explanation:

(7x+y)-(x+y)=-6

6x=-6

x=-1

-1+y=-6

y=-5

6 0
2 years ago
Read 2 more answers
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