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mart [117]
3 years ago
9

What is the algebraic expression of the difference of 4 times a and b?

Mathematics
1 answer:
vagabundo [1.1K]3 years ago
5 0

Answer:

4(a+b)

Step-by-step explanation:

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a coin is flipped eight times where each flip comes up either heads or tails. how many possible outcomes: 1). are there in total
Ymorist [56]

There are 256 ways in total and 56 possible outcomes contain exactly three heads. The possible outcomes contain at least three heads is 219.

Consider the provided information.

A coin is flipped eight times where each flip comes up either heads or tails.

Part (a) How many possible outcomes are there in total?

Each time we flip a coin it comes up either heads or tail.

Therefore the total number of ways are: 2⁸ = 256

Hence, there are 256 ways in total.

Part (b) contain exactly three heads?

We want exactly 3 heads, therefore,

n=8 and r=3

According to the definition of combination:

To get exactly 3 heads,

n=8 and r=3

(⁸C₃ ) = 8! / 3!(5!) = 56.

Therefore, there are 256 ways in total and 56 possible outcomes contain exactly three heads. The possible outcomes contain at least three heads is 219.

Read more about Probability here

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1 year ago
A field has an area of 9/20 square mile. find the width of the fieldif the length is 10/9 mile long
marusya05 [52]

The answer is 12/15

7 0
3 years ago
Suppose a basketball team had a season of games with the following characteristics: Of all the games, 60% were at-home games. De
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Answer:

E. P(W | H)

Step-by-step explanation:

What each of these probabilities mean:

P(H): Probability of the game being at home

P(W): Probability of the game being a win.

P(H and W): Probability of the game being at home and being a win.

P(H|W): Probability of a win being at home.

P(W|H): Probability of winning a home game.

Which of the following probabilities do you need to find in order to determine the proportion of at-home games that were wins?

This is the probability of winning a home game. So the answer is:

E. P(W | H)

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8 ft<br> 10 ft<br> Find the exact volume of the cylinder.
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Answer:

V = 2010.6193 ft3

Step-by-step explanation:

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A company rents gym equipment for a fixed amount plus a fee based on the number of days for which the equipment is rented. The t
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