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3 years ago

You spin the spinner and flip a coin. Find the probability of the compound event.

Mathematics

1 answer:

Nitella [24]3 years ago

5 0

Answer:

1/10

Step-by-step explanation:

The probability of flipping heads is 1 out of 2 or 1/2

The probability of getting a 5 on the spinner is 1/5

The probability of getting both is 1/2 * 1/5 = 1/10

You should try this out by listing all the ways this can happen.

Spinner Coin

1 H

2 H

3 H

4 H

5 H

1 T

2 T

3 T

4 T

5 T

There are 10 ways of this problem giving results. Only 1 of them is correct.

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If a coin is flipped 70 times how many times should it land with tails side face up

Snezhnost [94]

Answer: 35

Explanation:

P(Tail) = 1/2

P(Tail) for 70 times = 1/2 x 70 = 35

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3 years ago

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Write 230% in simplest form

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230% in the simplest form is 2.3

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3 years ago

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8 < 4(x+1) show your work

kati45 [8]

8 < 4 (x + 1) Use the Distributive Property
8 < 4x + 4 Subtract 4 from both sides
4 < 4x Divide both sides by 4
1 < x

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3 years ago

Let f(x) = 5x +7 and g(x) = x-1 . Find f(g(x))

Bogdan [553]

Answer:

f(g(x))=5×(x-1)+7=5x-2

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3 years ago

Can someone solve this? and tell me how?

maksim [4K]

Answer:

1/3

Step-by-step explanation:

When working with balanced expressions (stuff on both sides of the equal sign), "what you do to one side, you do to the other", which keeps it balanced.

The first thing we notice is the exponent 1/4, which is one both sides, so we can get rid of it on both sides by using the reverse operation.

The reverse of exponents is square root.

$(4x + 10)^{\frac{1}{4}} = (9 + 7x)^{\frac{1}{4}}\\\sqrt[\frac{1}{4}]{(4x + 10)^{\frac{1}{4}}} = \sqrt[\frac{1}{4}]{(9 + 7x)^{\frac{1}{4}}}\\\\4x + 10 = 9 + 7x$

Isolate x to solve. Separate the variables and non-variables.

4x + 10 = 9 + 7x

4x - 4x + 10 = 9 + 7x - 4x Subtract 4x from both sides

10 = 9 + 3x

10 - 9 = 9 - 9 + 3x Subtract 9 from both sides

1 = 3x Divide both sides by 3 to isolate x

x = 1/3 Answer

8 0

3 years ago