2 years ago

What is 2 1/5 as an improper fraction

Mathematics

1 answer:

LUCKY_DIMON [66]2 years ago

8 0

Answer:

11/5

Step-by-step explanation:

You multiply 2 by 5 to give us 10. Add 1 the numerator of the equation giving us 11. Then we say 11/5

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The ratio of the measurement of an angle to its supplement is 3:5. Find the angle and its supplement.

notsponge [240]

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2 years ago

Your schools talent show will feature 12 solo acts and ensemble 2 acts. The show will last 90 min. The 6 solo performers judged

kicyunya [14]

A. 12*x + 2*y = 90
6*x + 2*y = 60

To write system of equation you just need to sum all solo and ensemble acts and make it equal to how much they will last for.

B. Here we can multiply second equation with negative 1 and add it to first equation.
6x = 30
x = 5

now we replace x in any of 2 equations to get y.
30+2y = 60
2y = 30
y=15

Solo acts are 5 minutes long and ensemble acts are 15 minutes long

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2 years ago

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Tatiana [17]

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1 year ago

Tay-Sachs disease is a genetic disorder that is usually fatal in young children. If both parents are carriers of the disease, th

LuckyWell [14K]

Answer:

Step-by-step explanation:

Given that Tay-Sachs disease is a genetic disorder that is usually fatal in young children. If both parents are carriers of the disease, the probability that each of their offspring will develop the disease is approximately 0.25.

Let X be the no of children having this disease out of 4 occasions

Then X has two outcomes and each trial is independent of the other trial

Hence X is binomial with n =4, and p = 0.25

a) $P(X=4) = 4C4 (0.25)^4 = 0.003906$