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noname [10]
3 years ago
7

Which equation results from adding the equations in this system?

Mathematics
2 answers:
hram777 [196]3 years ago
7 0
Id think the awnser is 7x=35 but not sure. 
Romashka [77]3 years ago
4 0
I think it's x= -5 because the bottom 4 cancel each other out.

11x- 3y=-17
-4x+3y=-18
-------------------
7x= -35   divide by 7

x= -5
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Andrei [34K]
The answer is 0.64,65,2/3,7/10 how I got it is because you need to turn all the numbers into decimals 
7/10=.7
2/3=0.666666.....
and the others one are already in decimal form 
4 0
3 years ago
5x + 7 = 2 what is X<br><br> A.x = -1<br> B.x = 1<br> C.x = 6<br> D.x = -6
ohaa [14]

Answer:

-1

Step-by-step explanation:

4 0
3 years ago
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You buy 50 of your favorite songs from a web site that charges $.99 for each song. What is the cost of 50 songs?
liberstina [14]

Answer: $49.5

Step-by-step explanation: If each song costs 0.99 cents then you multiply the number of songs you are buying by the cost. So that would be 0.99×50=49.5

5 0
3 years ago
A youth group earns $600 for charity and decides to put it in a bank. Calculate the amount of money the group will have for each
igomit [66]

Based on the types of compounding and the interest rates, the following are true:

  • Part A - The group will have $750
  • Part B - The group will have $759.19

When using simple interest, the amount the group will have is:

<em>= Amount x ( 1 + rate x number of years )</em>

= 600 x ( 1 + 5% x 5)

= $750

When using compound interest, the group will have:

<em>= Amount x ( 1 + rate) ^ Number of years</em>

= 600 x ( 1 + 4%)⁶

= $759.19

In conclusion, compound interest yields more.

<em>Find out more about </em><em>compound interest </em><em>at brainly.com/question/25263325. </em>

4 0
2 years ago
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Archy [21]

Answer:

If 5x-2 = 3x+4, then x=3

Step-by-step explanation:

5x-2=3x+4

Add 2 to both sides, and you get 5x=3x+6. Subtract 3x from both sides, and you get 2x=6. Divide both sides by 2, and what's left is x=3. Hope this helps. :)

6 0
3 years ago
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