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Gnesinka [82]
3 years ago
6

What are these numbers rounded to the nearest hundreds plz. Help

Mathematics
1 answer:
Luba_88 [7]3 years ago
3 0

Answer:

1. 425,300

2. 105,000

3. 45,500

4. 35,500

5. 212.37

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Mkey [24]
D is 11

2d - 5 = 17                          add 5 to both sides

2d = 22                               divide by 2

d = 11                                 answer
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3 years ago
-7x=63<br> Please show full work
STALIN [3.7K]

Answer:

x=70

Step-by-step explanation:

1)Write equation

2)Put line through equal sign

3) under -7n add 7

4)add 7 to 63 also

5)answer 63+7=70

6)x=70

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3 years ago
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Each multiple-choice question on an exam has four choices. Suppose that there are 10 questions and the choice is selected random
Anika [276]

Answer:

It is discrete, but not uniform, since each outcome is not equally as likely.

Step-by-step explanation:

For each question, there are only two possible outcomes. Either it is answered correctly, or it is not. The probability of answered a question is independent from the probability of answeing 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.

Each multiple-choice question on an exam has four choices.

This means that p = \frac{1}{4} = 0.25

10 questions

This means that n = 10

Let X denote the number of questions answered correctly. Does X have a discrete uniform distribution? Why or why not?

It is discrete, because the number of questions answered correctly is a discrete value.

However, it is not uniform. A distribution is uniform when each outcome is equally as likely. For example, the probability of answering 0 questions correctly is different of the probability of answering 1 question correctly, as we see below.

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

P(X = 0) = C_{10,0}.(0.25)^{0}.(0.75)^{10} = 0.0563

P(X = 1) = C_{10,1}.(0.25)^{1}.(0.75)^{9} = 0.1877

3 0
3 years ago
Giving the right answer a branleist
balu736 [363]

Answer:

GCF is 8

Step-by-step explanation:

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3 years ago
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Ede4ka [16]

Answer:

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Step-by-step explanation:

Plug in the -2 and -4 for the y and x. The slope is the same

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