here’s the question :
For his experiment, Julio compares how far different springs stretch he uses a centimeter ruler to measure the length of a spring . He attaches a weight to one end of the spring and measures its length again. He then measures the length of the spring with different-sized weights attached .

the graph below shows the results of Julio’s experiment .

weight times spring length

Step-by-step explanation:

weight times spring length

at w=0Li =10

at w=10L=15

L=Li+w×k(1)

k is constant of spring

go to (1) by using value of w , Li &L to calculat k

15 = 10+k×10

k=0.5

L=10+0.5*w

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.

no

explanation:

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