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katen-ka-za [31]
3 years ago
13

Please help its math

Mathematics
1 answer:
Len [333]3 years ago
7 0

Answer:

7

Step-by-step explanation:

3 divided by one third is 1. Then you do one plus one which is two. Then you do 9 minus 2, which is 7.

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Answer this question:What is the difference between 9 < x and 9 = x? Explain.
maw [93]

9 < x

this means that x is a larger number than 9

9 = x

this means that x is equal to 9

3 0
3 years ago
Joel scores in 80% of his games. His team is starting the playoffs, and if they make it to the state championship, they will hav
Fittoniya [83]

Answer:

D

Step-by-step explanation:

4 out of 5 games is 80%:

So if we know, as a rule that "Joel scores in 80% of his games.", the probability that he will score in 80% of his games is 1 - that is, we know it for sure

100% sure

4 0
3 years ago
Read 2 more answers
The table gives the probability distribution of the annual rate of return on the stock of MNP Company, Inc. What is the expected
krok68 [10]
For the answer to the question above,
The expected value in percentage format is 0.2 x 15+0.4 x 20 + 0.3 x 30 + 0.1*35 = <u><em>23.5%</em></u>
The answer is <u><em>23.5%
</em></u>

I hope my answer helped you. Have a nice day ahead!
<u><em /></u>
8 0
3 years ago
Read 2 more answers
Renting a room at the Willow tree resort costs $125 for 2 people. Each additional person is $25. Write an expression that shows
Mama L [17]

Answer:

Let C be the cost for the people staying

if n <= 2 ;  C = $125

If n >2 ;  C =  $125 + $25 * (n-2)

Step-by-step explanation:

If the number of people is more than two, we need to add $25 for each of them.

Since n will be the number of people staying, we need to make sure that we substract two from this term to avoid overcharging the guests when there is less than two people.

So

(n-2) is the term that should be multiplied by a factor of 25.


5 0
3 years ago
A friend has a 83% average before the final exam for a course. That score includes everything but the final, which counts for 25
Klio2033 [76]

Answer:

\mathrm{Best\:course\:grade\:possible:\:}87.25\%,\\\mathrm{Minimum\:score\:on\:final\:to\:earn\:at\:least\:a\:75\%\:for\:the\:course:\:}51\%

Step-by-step explanation:

Assuming the maximum score for the final is 100\%, we can multiply each score by its respective course weight and add them together to give a final score. If your friend did receive this maximum score of 100\%, their overall grade for the course would be:

83(1-0.25)+100(0.25)=\fbox{$87.25\%$}.

To find the minimum score they need to earn a 75% for the course, we set up the following equation:

83(1-0.25)+x(0.25)=75, where x is the minimum score she needs.

Solving, we get:

62.25+x(0.25)=75,\\x(0.25)=12.75,\\x=\fbox{$51\%$}.

8 0
2 years ago
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