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2 years ago

Mr. Jackson had 60 apples to give to 3 groups of children.

Mathematics

1 answer:

Alecsey [184]2 years ago

8 0

Answer:

1/6 of 60=10 25% of 60=15 10+15+6=31, 60-31=29. there are 29 apples left.

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Regina receive a score of 39 out of 52 on a quiz. What percentage did she earn?

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Answer:

78%

Convert fraction (ratio) 39 / 50 Answer: 78%

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2.5y=5 what is the answer to the equation?

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6, 12, 8, 14, 10, 16<br>What pattern do you notice here

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6,12,8,10,16

6+6=12-4=8+6=14-4=10+6=6
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3 years ago

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What is the length of one leg of the triangle? 64 cm 64 StartRoot 2 EndRoot cm 128 cm 128 StartRoot 2 EndRoot cm.

zmey [24]

Answer:

Use the Pythagorean theorem for right triangles to solve this

a^2 + b^2 = c^2 where 'a' and 'b' are the legs of the triangle and 'c' is the hypotenuse

so:

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64 + b^2 = 289

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2 years ago

A box contains 3 coins. One coin has 2 heads and the other two are fair. A coin is chosen at random from the box and flipped. If

Blababa [14]

Answer: Our required probability is $\dfrac{1}{2}$

Step-by-step explanation:

Since we have given that

Number of coins = 3

Number of coin has 2 heads = 1

Number of fair coins = 2

Probability of getting one of the coin among 3 = $\dfrac{1}{3}$

So, Probability of getting head from fair coin = $\dfrac{1}{2}$

Probability of getting head from baised coin = 1

Using "Bayes theorem" we will find the probability that it is the two headed coin is given by

$\dfrac{\dfrac{1}{3}\times 1}{\dfrac{1}{3}\times \dfrac{1}{2}+\dfrac{1}{3}\times \dfrac{1}{2}+\dfrac{1}{3}\times 1}\\\\=\dfrac{\dfrac{1}{3}}{\dfrac{1}{6}+\dfrac{1}{6}+\dfrac{1}{3}}\\\\=\dfrac{\dfrac{1}{3}}{\dfrac{2}{3}}\\\\=\dfrac{1}{2}$

Hence, our required probability is $\dfrac{1}{2}$

No, the answer is not $\dfrac{1}{3}$

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2 years ago