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SOVA2 [1]
3 years ago
7

How is -16/20 and 20/-25 represent the same rational number

Mathematics
1 answer:
sammy [17]3 years ago
4 0

Answer:

-.8

Step-by-step explanation:

ok so if you divide -16 by 20 you will get -0.8

and if you divide 20 by -25 your answer also be -0.8

they are equal

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Jon reads 25 pages in 30 minutes. If Jon reads 200 pages at this same rate, how long will it take him?
kupik [55]
It will take Jon 240 minutes or 4 hours.
5 0
3 years ago
Would each of them be able to be the side lengths of a triangle?
ratelena [41]
Pythagoras Theorem:
hipotenuse²=leg₁²+leg₂²

First posible triangle:
hypotenuse=13    (13²=169)
leg₁=12                ( 12²=144)
leg₂=5                  (5²=25)

13³=144 + 25


Answer:can be side lengths of a triangle

Second triangle:
 hypotenuse=12.6    (12.6²=158.76)
leg₁=6.7                ( 6.7²=44.89)
leg₂=6.5                  (6.5²=42.25)

leg₁²+leg₂²=44.89+42.25=87.14≠158.76

Answer: cannot be side lenghts of a triangle.

third triangle:
hypotenuse=13    (13²=169)
leg₁=12                ( 12²=144)
leg₂=11                  (11²=121)

leg₁²+leg₂²=144+121=265≠169

Answer: cannot be side lenghts of a triangle.

fourth triangle:
hypotenuse=13   (13²=169)
leg₁=6                ( 6²=36)
leg₂=4                  (4²=16)

leg₁²+leg₁²=36+16=52≠169

Answer: cannot be side lenghts of a triangle.
8 0
3 years ago
Read 2 more answers
What is 1/5 times 5/6 use a fraction modelto to help you solve.
lara [203]

Answer:

\frac{1}{6}

Step-by-step explanation:

4 0
2 years ago
Simplify the expression. <br><br> -1/2 + 1/6
sukhopar [10]
-1/2 = -3/6

-3/6 + 1/6 = -2/6

-2/6 = -1/3

-1/3 is your answer

hope this helps
8 0
3 years ago
to make fruit punch ,you need 3 cups of grape juice for every 5 cups of apple juice. if you have 15 more cups of apple juice ,ho
zepelin [54]
You'd get a total 24 cups, 3/5=9/15. 9+15=24
6 0
3 years ago
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