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Llana [10]
3 years ago
5

Mary and tom were buying a present for their mother on mothers day. mary spent $12 and tom spent $28 if they wanted to share the

cost equally, how much money does mary owe tom?
Mathematics
1 answer:
nydimaria [60]3 years ago
8 0
28-12=16 ,the answer
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Philip ran out of time while taking a multiple-choice test and plans to guess on the last 4 questions. Each question has 5 possi
belka [17]

Answer:

There is a 40.96% probability that he answers exactly 1 question correctly in the last 4 questions.

Step-by-step explanation:

For each question, there are only two possible outcomes. Either it is correct, or it is not. This means that we use the binomial probability distribution to solve this problem.

Binomial probability distribution

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

In which  is the number of different combinatios of x objects from a set of n elements, given by the following formula.

And p is the probability of X happening.

In this problem we have that:

There are four questions, so n = 4.

Each question has 5 options, one of which is correct. So

What is the probability that he answers exactly 1 question correctly in the last 4 questions?

This is

There is a 40.96% probability that he answers exactly 1 question correctly in the last 4 questions.

My guess...

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6 0
3 years ago
What are the x- and y-intercepts of the graph of 5x-4y= -20
lakkis [162]

To find the intercepts, we can set the opposite variable equal to 0 and solve.

Let's find the x intercept first.

5x - 4(0) = -20

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Divide both sides by 5.

x = -4

<h3>The x intercept is -4.</h3>

Now let's find the y intercept.

5(0) - 4y = -20

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Divide both sides by -4.

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<h3>The y intercept is 5.</h3>
7 0
2 years ago
Read 2 more answers
Need help on these two!!
pishuonlain [190]

Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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