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3 years ago

(04.04)

Mathematics

2 answers:

harkovskaia [24]3 years ago

6 0

I Think The answer is 35 units I hope it helps Message Me if I’m wrong and I’ll change My answer and fix it for you

Dmitry [639]3 years ago

5 0

Answer:

28 units

Step-by-step explanation:

Looking at the coordinate grid of each location and point of Barney's stops, He starts at home, then goes to the video store, then grocery, than fast snacks and back home:

home - video (-3, 4) to (4, 4) - distance of 7 units east (right)

video - grocery (4, 4) to (4, -3) - distance of 7 units south (down)

grocery - snacks (4, -3) to (-3, -3) - distance of 7 units west (left)

snacks - home (-3, -3) to (-3, 4) - distance of 7 units north (up)

In all, Barney made a square shape with an equal distance of 7 units between all his four stops for a total of:

7 + 7 + 7 + 7 = 28 units

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3 years ago

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ss7ja [257]

Answer:

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Step-by-step explanation:

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2 years ago

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3 years ago

A cyclist rode 3.75 miles in 0.3 hours.

Archy [21]

Answer:

A. 12.5 miles per hour B. 0.36 hours

Step-by-step explanation:

3.75/.30=12.5 , so divide 3.75 by the time 0.30 hours and you get your miles per hour

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3 years ago

You have purchased a mobile home for $20,000 which depreciates at 10% per year.

iragen [17]

Answer:

C. Three

Step-by-step explanation:

We want to solve the equation for n:

14,580 = 20,000(9/10)^n

14580/20000 = 729/1000 = (9/10)^n

(9/10)^3 = (9/10)^n . . . . . . write the left side as a cube

3 = n . . . . . . equate exponents

After year 3, the value will be $14,580.

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You can use logarithms to find n:

log(0.729) = n×log(0.9) . . . . . . taking the log of the 2nd line above

log(0.729)/log(0.9) = n = 3

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3 years ago