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mixer [17]
3 years ago
6

Jocab run 5 miles in 1 1/2 hours. robert runs 3 miles in 45 minutes, or 3/4 hour. who ran the faster

Mathematics
1 answer:
lana [24]3 years ago
3 0

Answer: Robert ran faster than Jocab

Step-by-step explanation:

Convert the improper fraction to a proper fraction

Jocab = 5miles in 1 1/2 hours, therefore, 1 1/2 hours = 3/2 hours, to convert to minute will be 3/2 x 60 = 90 minutes

Robert = 3 miles in 3/4 hours = 45 minutes

If Robert runs 3 miles in 45 minutes, by the end of 90minutes, Robert would have covered 6miles, while Jocab covered 5miles in 90 minutes, therefore, Robert ran faster than Jocab.

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10. If ABCD is a kite, DB=48 in. and CE=7 in. find DC. *
Dmitry_Shevchenko [17]

Answer:

25 in.

Step-by-step explanation:

DEC is a right triangle. <DEC is a right angle.

(DE)² + (EC)² = (DC)²

DE = ½DB = ½(48 in.) = 24 in.

(24 in.)² + (7 in.)² = (DC)²

576 in.² + 49 in.² = (DC)²

(DC)² = 625 in.²

DC = 25 in.

3 0
2 years ago
7. The resistance of dry human skin is about 500,000 ohms in wet, sweaty
Alina [70]

Answer:

Step-by-step explanation:

1000 Ohms

R = 1000

V = 9

I = V / R

I = 9 / 1000

I = 0.009

500000 Ohms

V = 9

I = V/R

R = 500000

I = 9 / 500000

I = 0.000018

5 0
3 years ago
Using the slope formula, find the slope of the line through the given points (2,7) and (5,1)
Zanzabum

Answer:

The slope is -2.

Step-by-step explanation:

The slope formula is (y1-y2)/(x1-x2)

or change in y / change in x.

First, you plug in your numbers. I will use (2, 7) as (x1, y1)

(1-7)/(5-2)

Next, simplify.

(-6)/(3)

or

-2

And that's your slope!

6 0
3 years ago
Can you guys please solve it needed asap <br> -16 + 13n = -8 - 5n
RUDIKE [14]

Step-by-step explanation:

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Firstly we have to take variables to L.H.S and numbers to R.H.S

13n + 5n =  - 8 + 16 \\ 18n = 8 \\ n =  \frac{8}{18}  \\ n =  \frac{4}{9}

Hope it helps

8 0
3 years ago
Read 2 more answers
Evaluate -2/3 - (-1/2)
torisob [31]

Answer:

The answer is -1/6

Step-by-step explanation:

-2/3 - (-1/2)

=-2/3+1/2

=-1/6

7 0
3 years ago
Read 2 more answers
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