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katen-ka-za [31]
3 years ago
14

Which numbered choice represents the solution to this system?

Mathematics
1 answer:
sergejj [24]3 years ago
5 0

Answer:4) All are solutions

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Janice usually sells 7 cars and 3 trucks per week but this week she only sold 5 cars and 1 truck what is the percent decrease fo
Alik [6]
7-5=2
2/7×100= 28.6%

3-1=2
2/3×100= 66.7%
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3 years ago
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Find the mean (average) of each set of numbers. Round your answer to the nearest tenth 18 , 16 , 20 , 9 , 7 , 5 , 12 , 17
wel

Answer:

13

Step-by-step explanation:

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Adina read 60 out of 100 pages in a comic book. write the fraction of the pages she read in simplest form
anastassius [24]
There 100 pages

she read 60/100 pages

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4 years ago
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Hugh bought some magizines that cost 3.95 each and some books that cost 8.95 each. He spent a total of 47.65.If Hugh bought 3 ma
HACTEHA [7]

Answer:

4 books

Step-by-step explanation:

We are told that: Hugh bought some magazines that cost 3.95 each

Hugh bought 3 magazines.

Hence, total cost of magazines = 3 magazines × 3.95

= 11.85.

Total cost of magazines = 11.85

From the question, we know that, the total amount Hugh spent = 47.65

Hence, The total cost for books =

Total amount spent - Total cost of magazines

= 47.65 - 11.85

= 35.80

Therefore, the total cost of books = 35.80

We are told in the question that the cost of books is 8.95 each or 8.95 per book.

Hence, the number of books that Hugh bought is calculated as :

35.80/8.95

= 4 books

Therefore, Hugh bought 4 books

6 0
3 years ago
Question 17 (5 points)
Elden [556K]

Answer:

The pet sitter babysat his dog for 3 hours.

Step-by-step explanation:

You know that a pet sitter charges $ 20 for supplies and $ 10 per hour of service, represented by the equation C = 10*n + 20, which describes the total cost she would charge for n hours of service.

The pet sitter charges a customer $ 50 for his service, so C has a value of $ 50.

Replacing:

50=10*n+20

Solving:

50 - 20= 10*n +20 -20

30= 10*n

30÷10= n

3= n

<u><em>The pet sitter babysat his dog for 3 hours.</em></u>

5 0
3 years ago
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