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almond37 [142]
2 years ago
8

If 2/3 + p = 1 and 4/5+ q = 3, what is the value of p+q?

Mathematics
1 answer:
inessss [21]2 years ago
5 0

Answer:

p+q = 38/15

Step-by-step explanation:

2/3+p = 1. p = 1 - 2/3

4/5 + q = 3. q = 3 - 4/5

p + q = 1 - 2/3 + 3 - 4/5

-2/3 - 4/5 (common denominator = 15)

4 - 10/15 - 12/15 = 4 - 22/15

4 - 22/15 = (4*15 - 22)/15

= 38/15

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AnnZ [28]

Rewrite 9 1/6 divided by 5/6 as follows:

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Reducing this produces the desired quotient, 11.

8 0
3 years ago
There are (49)5 • 40 books at the library. What is the total number of books at the library? (4 points)
madreJ [45]
5 times 40 times 49 equals 9800 because you do 5 time 4 and that's 20 and you add a 0 and you multiply by 49 to get 9800.
5 0
3 years ago
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The graph shows the value of a certain model of car compared with it's age. which statement is true?
s2008m [1.1K]

The only true statement is A:

"The data show a negative linear relationship."

<h3></h3><h3>Which statement is true?</h3>

On the graph, we can see how the car's vale decreases almost linearly with the age of the car.

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For that linear behavior, we know that there is a correlation coefficient different than zero. So options B, C, and D are false.

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If you want to learn more about data sets:

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6 0
2 years ago
The average hourly wage of computer programmers with 2 years of experience has been $21.80.Because of high demand for computer p
svp [43]

Answer:

d. H0: μ <= 21.80 Ha: μ > 21.80

Step-by-step explanation:

We set the null hypothesis as what is already given . We are already informed that the average wage is equal to  μ <= 21.80 against the claim that is required. It is required to test whether the average wage of the computer programmers is greater than μ > 21.80

So option d is the best answer.

Hypotheses testing is done  using an observation and a claim. The observation is set as a null hypothesis and claim is set as an alternative hypothesis. The null and alternative hypotheses must be chosen wisely to get the correct results.

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5 0
3 years ago
2 Points
elena55 [62]

Answer:C

Step-by-step explanation:

5 0
3 years ago
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