Triangle cde and triangle cfg are similar right triangles. which proportion can be used to show that the slope of ce is equal to the slope of cg? a) 2 − 3 2 − 0 = 3 − 1 4 −0 b) 3 − 2 2 − 0 = 3 − 1 4 − 0 c) 2 − 3 0 − 2 = 3 − 1 0 − 4 d) 3 − 2 0 − 2 = 3 − 1 0 − 4

The formula of a slope:

We have the points E(2, 2), C(0, 3) and G(4, 1), C(0, 3).

Substitute:

step-by-step explanation:

12: 00 p.m. to 7: 00 p.m. is a total of 7 hours.

4: 00 p.m. to 7: 00 p.m. is a total of 3 hours.

this means that from 4: 00 p.m to 7: 00 p.m. this represents 3/7 of what was lost from 12: 00 p.m. to 7: 00 p.m.

after knowing this, after doing 11,600 - 6,800 = 4,800

4,800 represents 3/7 of what was lost for 7 hours.

we then divide 4,800 by 3 which gets 1,600.

because we know that 1,600 represents 1/7 of how much water was lost, we just have to multiply by 7, which gets 11,200.   after adding 11,200 to how much water was left at 7: 00 p.m. which was 6,800. 11,200 + 6,800 = 18,000

this means that the pool originally had 18,000 gallons in the pool.

you can also check your work by doing 18,000 - 4(1600), which becomes           1800 - 6400 which gets you 11,600.

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step-by-step explanation:

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