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Maksim231197 [3]

3 years ago

11

What is the coordinate of the vertex?

1 answer:

zlopas [31]3 years ago

6 0

0,-5

hope this helps!

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Help ill give brainlist

Rom4ik [11]

Answer:

1) C. 4

2) A. c=4m

(give me brainly if im right pls)

3 0

3 years ago

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On a multiple-choice test. Abby randomly guesses on all seven questions. Each question

Murrr4er [49]

Answer:

0.173 probability that she gets exactly three questions correct.

Step-by-step explanation:

For each question, there are only two possible outcomes. Either she guesses the correct answer, or she does not. The probability of guessing the correct answer for a question is independent of other questions. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

In which $C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

And p is the probability of X happening.

Seven questions:

This means that $n = 7$

Each question has four choices.

Abby guesses, which means that $p = \frac{1}[4} = 0.25$

Find the probability to the nearest thousandth, that Abby gets exactly three questions correct.

This is P(X = 3).

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

$P(X = 3) = C_{7,3}.(0.25)^{3}.(0.75)^{4} = 0.173$

8 0

3 years ago

Dale wanted to put a brick border around his circular flower bed The diameter is five feet how much brick will he need for the b

zmey [24]

.......................

4 0

2 years ago

Find the distance between -6 - 8

Viefleur [7K]

Answer:

2

Number line.

We start at -6 or -8.

If we start from -6, we will be going __ spaces to the left until we get to -8.

Or start from -8 and go __ spaces to the right until you get to -6.

Then count the spaces.

You'll get 2.

4 0

3 years ago

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Susan collected 5 cents at the recycling plant for each of her 78 cans how much did she collect all together

masya89 [10]

Answer:

$\$3.9$

Step-by-step explanation:

we know that

Susan collected 5 cents at the recycling plant for each of her 78 cans

To find out the total collected , multiply 5 cents by the total number of cans

so

$\$0.05(78)=\$3.9$

6 0

3 years ago