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Softa [21]
3 years ago
12

-7.33 - 1.3n = -0.18 HELPPPPP!!!!

Mathematics
2 answers:
BaLLatris [955]3 years ago
8 0

Answer:

The answer to your probem is -5.5

Virty [35]3 years ago
6 0

Answer:

-1.3n - 7.33 = -0.18

-1.3n = 7.15

n = -5.5

Step-by-step explanation:

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Jackson earns $25 per hour as a tutor at the college library. he set a weekly spending budget of $130 a week and push the remain
a_sh-v [17]

Answer:

Jackson should work at least 8 hours this week to achieve his target.

Step-by-step explanation:

Jackson's hourly income = $25

His weekly spending budget = $130

Minimum amount to be pushed to the savings account = $50

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Number of hours to work this week = \frac{Minimum total amount}{hourly income}

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6 0
3 years ago
Which expression represents a number that is one fourth as great. as 10-2?
marshall27 [118]

Answer:

(10-2)÷4.

Step-by-step explanation:

We are to select the correct expression that represents a number that is one fourth as great as 10-2.

Let the required number be represented by x.

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3 years ago
Not all visitors to a certain company's website are customers. In fact, the website administrator estimates that about 5% of all
Gnom [1K]

Answer:

0.0135 = 1.35% probability that, in a random sample of 4 visitors to the website, exactly 2 actually are looking for the website.

Step-by-step explanation:

For each visitor of the website, there are only two possible outcomes. Either they are looking for the website, or they are not. The probability of a customer being looking for the website is independent of other customers. This means that the binomial probability distribution is used 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.

5% of all visitors to the website are looking for other websites.

So 100 - 5 = 95% are looking for the website, which means that p = 0.95

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This is P(X = 2) when n = 4. So

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P(X = x) = C_{4,2}.(0.95)^{2}.(0.05)^{2} = 0.0135

0.0135 = 1.35% probability that, in a random sample of 4 visitors to the website, exactly 2 actually are looking for the website.

5 0
2 years ago
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Answer:

\frac{79}{9} \pi

Step-by-step explanation:

3 0
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