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babunello [35]
3 years ago
14

Write an equation that passes through a minimum point of (-3,-2) and a y-intercept at (0,25)

Mathematics
1 answer:
liubo4ka [24]3 years ago
6 0

Answer:  y= 9x+ 25

Step-by-step explanation:

to calculate the slope, rise/run   rise is difference in y-values 25 -(-2) =27

run is difference in x-values  0-(-3) = 3 .  27/3 = 9

b= y-intercept   Given: 25

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A force of 3 pounds is required to hold a spring stretched 0.6 feet beyond its natural length. how much work (in foot-pounds) is
ioda

The work done (in foot-pounds) in stretching the spring from its natural length to 0.7 feet beyond its natural length is 1.23 foot-pound

<h3>Data obtained from the question</h3>

From the question given above, the following data were obtained:

  • Force (F) = 3 pounds
  • Extension (e) = 0.6 feet
  • Work done (Wd) =?

<h3>How to determine the spring constant</h3>
  • Force (F) = 3 pounds
  • Extension (e) = 0.6 feet
  • Spring constant (K) =?

F = Ke

Divide both sides by e

K = F/ e

K = 3 / 0.6

K = 5 pound/foot

Thus, the spring constant of the spring is 5 pound/foot

<h3>How to determine the work done</h3>
  • Spring constant (K) = 5 pound/foot
  • Extention (e) = 0.7 feet
  • Work done (Wd) =?

Wd = ½Ke²

Wd = ½ × 5 × 0.7²

Wd = 2.5 × 0.49

Wd = 1.23 foot-pound

Therefore, the work done in stretching the spring 0.7 feet is 1.23 foot-pound

Learn more about spring constant:

brainly.com/question/9199238

#SPJ1

5 0
1 year ago
I need help what is 12 is 75% of what
miskamm [114]

12 is 75% of what

is means equals, of means multiply

12 = 75% * what

12 = .75 * what

divide each side by .75

12/.75 = .75 * what /.75

16 = what

12 is 75 percent of 16

the answer is 16


3 0
3 years ago
Read 2 more answers
Is the power produced directly proportional to the wind speed, give reasons for your answer?
yuradex [85]

Answer:

Is the power produced directly proportional to the wind speed.

No.

A proportional function can be described as y = a * x

So (0, 0) is on the graph, not (3, 0).

0 / 3 = 0

3800/6 = 633.33

7600/9 = 844.44

13600/12 = 1133.33

The quotient y/x should be always the same.

4 0
3 years ago
Nina operate the dog walking service she charges a flat fee for $15 plus $5 per hour. which equation represents this liner relat
ycow [4]

Answer: I think it’s the first one

Step-by-step explanation:

It says per hour and 15 bucks plus 5 bucks PERhour so you would have to be multiplying I did a question like this long ago hope you get it right

3 0
3 years ago
Find X.<br><br> A) 3<br><br> B) 4<br><br> C) 5<br><br> D)6
lbvjy [14]
I think it's 3 or 4.
6 0
3 years ago
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