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Ipatiy [6.2K]
3 years ago
8

4x + 8y = 20 -4x + 2y = -30

Mathematics
1 answer:
zaharov [31]3 years ago
5 0
Ignore what is scribbled out but I hope this helps!

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A ​used-boat dealership buys a boat for ​$2800 and then sells it for ​$4000. What is the percent​ increase?
Rudik [331]

Answer:

Step-by-step explanation:

percent increase = increase divided by original number x 100

                           

increase is the difference between the two numbers...

new number - original number.....4000 - 2800 = 1200

percent increase = (1200 / 2800) x 100

                            = 0.42857 (round to .4286) x 100

                             = 42.86 %.....if you need it rounded to the nearest percent, it      would be 43% increase

6 0
3 years ago
3x-8(2x+3)= -6(2x+5)
faust18 [17]
3x-16x-24=-12x-30
-13x+12x=-30+24
-x=-6   /*(-1)
x=6
7 0
3 years ago
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Someone please help with this maths problem.
NemiM [27]
The answer would be 80 because you are multiplying each number by 2. You multiply 5 x 2 = 10, 10 x 2 = 20, 20 x 2 = 40, and then 40 x 2 = 80. That is how I got the answer 80!!
3 0
3 years ago
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Why does the value of money you save increase over time?
RideAnS [48]

<u>Answer</u>

A. Because it earns interest.

<u>Explanation</u>

We save money in the financial institutions like banks and micro-finance institutions. This institutions uses this money to do business with it such as lending it to other people, setting up other money generation activities among others.  

By so doing your money must be increased since it is used in other ways. These money increase is known as interest.

So the money you save increase in value over the time because it earns interest.

5 0
4 years ago
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Which are the possible side lengths of a triangle?
vova2212 [387]
Do you know what the answer choices are?

4 0
3 years ago
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