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Ipatiy [6.2K]
3 years ago
6

Can someone please help me ill give you a crown PLEASE HELP

Mathematics
1 answer:
choli [55]3 years ago
4 0
Answer:
2x + 3

Explaination
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A music store is having a sale where you can buy 2 new-release CDs for $15. How much will 7 CDs cost? Use at least 2 ways to sho
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Answer: $52.50

Step-by-step explanation:

1 way : 15 divided by 2 then multipy your answer by 7

2nd way : 15x7. Once you get that answer divide it by 2 to get $52.50

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x=-5

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This is a number system which uses a base of 10. The valid digits are 0 to 9.
Licemer1 [7]
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If two points are given, then exactly one line can be drawn through those two points.
gizmo_the_mogwai [7]

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a postulate

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a postulate which states that through any two points, there is exactly one line

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Find the solution by elimination method. <br>Please Help. ​
love history [14]

Answer:

I'm newbie here

Step-by-step explanation:

Elimination Method.

4x + 6/y = 15 → step 1

6x - 8/y = 14 → step 2

so,

4x + 6/y = 15 |×6|

6x - 8/y = 14 |×4|

24x + 6/y(6) = 90

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24x + 36/y = 90

24x - 32/y = 56

____________ _

68/y = 34

68 = 34y

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y = 2

subsitution y = 2 to..

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4x + 3 = 15

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x = 3

So, for x is 3, and for y is 2

5 0
3 years ago
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