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Firlakuza [10]
3 years ago
10

Please help 10 Points​

Mathematics
1 answer:
QveST [7]3 years ago
8 0

Answer:

c

Step-by-step explanation:

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Nina and Jo both ran a 9 km race.
Wittaler [7]

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Answer:

  7.83 km/h

Step-by-step explanation:

At her constant pace, Nina's time for 6 km will be found by the proportion ...

  (time for 6 km)/(6 km) = (time for 9 km)/(9 km)

  time for 6 km = (6 km)/(9 km) × (75 min) = 50 min

Jo's time for the same distance will be 4 minutes less: 50 -4 = 46 min. Jo's speed is ...

  speed = distance/time

  = (6 km)/(46/60 h) = 360/46 h ≈ 7.83 km/h . . . . Jo's speed

_____

<em>Additional comment</em>

From the 6 km point, the remaining race is half the distance already run, so will take half the time already taken. As we know, Nina will finish in 25 more minutes; Jo will finish in 46/2 = 23 more minutes, 2 minutes ahead of Nina.

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2 years ago
Solve for y- 6y-1.5x=8
VARVARA [1.3K]

6y-1.5x=8\qquad\text{add 1.5x to both sides}\\\\6y=1.5x+8\qquad\text{divide both sides by 6}\\\\y=\dfrac{1.5}{6}x+\dfrac{8}{6}\\\\y=\dfrac{15}{60}x+\dfrac{4}{3}\\\\\boxed{y=\dfrac{1}{4}x+\dfrac{4}{3}}

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3 years ago
What form of 1 should you multiply 2/3 by to get 8/12 as an answer.
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Answer: 4

Step-by-step explanation:

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3 years ago
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An astronaut was exploring the moon of a distant planet, and found some glowing goo at the bottom of a very deep crater. She bro
Soloha48 [4]

Answer:

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please attach the picture of figure

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