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3 years ago

Due in 4 minutes Need help ASAP

Mathematics

1 answer:

Arlecino [84]3 years ago

6 0

Answer:

(0, 1) (1/2, 0)

Step-by-step explanation:

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The variables x and y are inversely proportional, and y = 2 when x = 3. What is the value of y when x = 9?

givi [52]

$If\ x\ and\ y\ are\ inversely\ proportional\ then\ xy\ is\ constans.\\\\9y=2\times 3\\\\9y=6\ \ \ \ \ \ /:9\\\\y=\frac{6}{9}\\\\y=\frac{2}{3}$

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4 years ago

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If a train travels 80 m/s in two hours and 20 minutes, how far has it traveled?

Alexxx [7]

Answer:

distance = 585600 m

Step-by-step explanation:

change 2 hours 20 minutes to seconds

2 hrs * 60 minutes/1hr * 60 sec/min = 7200 sec

20 minutes * 60 sec/min = 120 sec

2 hr 20 min = 7320 seconds

distance = rate * time

distance = 80 m/s * 7320 s = 585600 m

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3 years ago

Mariam’s uncle donate 120 cans of juice and 90 packs of cheese cracker for the school picnic. Each student must receive the same

monitta

Answer:

8 students,

15 cans of juice and 11 packs of cheese cracker

Step-by-step explanation:

Mariam’s uncle donate 120 cans of juice and 90 - 2 = 88 packs of cheese cracker (eats two packs) for the school picnic.

Factor these numbers:

$120=2\cdot 60=2\cdot 2\cdot 30=2\cdot 2\cdot 2\cdot15=2\cdot 2\cdot 2\cdot 3\cdot 5\\ \\88=2\cdot 44=2\cdot 2\cdot 22=2\cdot 2\cdot 2\cdot 11$

The greatest common factor is

$2\cdot 2\cdot 2=8,$

so the greatest number of students who can share the food equally is 8 and each student will get $3\cdot 5=15$ cans of juice and 11 packs of cheese cracker.

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3 years ago

I need help with both if you don’t mind

Anvisha [2.4K]

The first one is A and the second one is A

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3 years ago

Find the probability that a randomly-chosen ninth grader will be absent 2 days next month.

miss Akunina [59]

Answer:

90% chance that it could happen.

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3 years ago