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Sedbober [7]
3 years ago
14

How to solve this problem

Mathematics
2 answers:
mr Goodwill [35]3 years ago
7 0

10. 6.8 this is the nearest tenth

13. 3.7 this is the nearest tenth

16. 6.7 this is the nearest tenth

aleksklad [387]3 years ago
4 0

10.is6.782329983 13.is 3.741657387

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At a sale , dresses were sold for $ 10 each. If the dresses originally cost $200 each, what percentage of its original price was
Ksju [112]
95%
Becuase 95% off is 190$
4 0
3 years ago
100 points!!!
Bogdan [553]

Answer:

(1, 5)

Step-by-step explanation:

The solution to the system of equations is the point of intersection of the two lines.  From inspection of the graph, the point of intersection is at (1, 5).

<u>Proof</u>

The solution to a system of equations is the point at which the two lines meet.  

⇒ g(x) = f(x)

⇒ 3x + 2 = |x - 4| + 2

⇒ 3x = |x - 4|

⇒ 3x = x - 4   and   3x = -(x - 4)

⇒ 3x = x - 4

⇒ 2x = -4

⇒ x = -2

Inputting x = -2 into the 2 equations:

⇒ g(-2) = 3 · -2 + 2 = -4

⇒ f(-2) = |-2 - 4| + 2 = 8

Therefore, as the y-values are different, x = -2 is NOT a solution

⇒ 3x = -(x - 4)

⇒ 3x = 4 - x

⇒ 4x = 4

⇒ x = 1

Inputting x = 1 into the 2 equations:

⇒ g(1) = 3 · 1 + 2 = 5

⇒ f(1) = |1 - 4| + 2 = 5

Therefore, as the y-values are the same, x = 1  IS a solution

and the solution is (1, 5)

8 0
3 years ago
Evaluate e-1/2 f when e = 15 and f = 2
vlada-n [284]
Answer:
15-1/2(2)
=15-1
=14
6 0
3 years ago
Read 2 more answers
twelve boys collected 16 aluminum cans each.fifteen girls collected 14 aluminum cans each. how many more cans did the girls coll
Klio2033 [76]

Answer: The girls collected 18 more aluminum cans than the boys.

Step-by-step explanation:

boys:

16 x 12 = 192

girls:

15 x 14 = 210

210 - 192 = 18


5 0
3 years ago
What's the difference between 1261⁄4 and 78 2⁄3?
BARSIC [14]
126 1/4 = 126 3/12 = 125 15/12 

- 78 2/3 = - 78 8/12 = - 78 8/12 
--------------------------------------... 
47 7/12 

1) Find the lowest common denominator (LCD) for the fractions. In this case, 12 is the LCD. 

2) Rewrite the fractions 1/4 and 2/3 using 12 as the denominator (second column). You get 3/12 and 8/12. 

3) Since it's confusing to subtract 8/12 from 3/12, you need to borrow one from the 126. Doing so is the same as taking 12/12 from 126. This changes to 125, and the 12/12 adds to the 3/12 making it 15/12. 

4) Subtract 8/12 from 15/12 to get 7/12. 

5) Subtract 78 from 125 to get 47. 

6) The answer is 47 7/12.
8 0
3 years ago
Read 2 more answers
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