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PolarNik [594]
2 years ago
8

Solve by addition5x-2y=32x 7y=9

Mathematics
1 answer:
aivan3 [116]2 years ago
5 0
I hope this helps you



7y=9 y=9/7



2y= -27x



2.9/7= -27x



-2/21=x
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Hi! I'm happy to help!

Our town is composed of 2,000 people. Of those 2,000 people, 4/5 of them are middle class. The word 'of' usually means multiplication when it is in a word problem. So, we will multiply 2,000 by 4/5. When multiplying a whole number, we just multiply it by the numerator (top) and leave the denominator. (bottom)

2,000×4

8,000

8,000/5

Fractions are just a different way of putting division, so we can change this to a division problem:

8,000÷5=

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1,600 of the people are middle class.

I hope this was helpful, keep learning! :D

8 0
2 years ago
Nick is now 7 times as old as harry. in 6 years, nick will be 5 times as old as harry. how old will harry be in 6 years?
zalisa [80]
Let,
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5 0
3 years ago
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Lisa [10]

Answer:

y = 2/3x + 4

Step-by-step explanation:

First, we look at where the equation intersects the y axis. It intersects at y = 4, which means that in the end of the equation there must be a "+4", so we can rule out the first two.

Second, we look at the slope of the line. Slope is defined as rise over run. As you can see in the graph, the line moves up 2 units while moving right 3 units. That means the coefficient of x (which is the slope) will be 2/3, which means the answer is y = 2/3x + 4.

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2 years ago
Does there exist 2 distinct prime numbers such that their product is a square number?​
satela [25.4K]

Answer:

NO.

Step-by-step explanation:

If the 2 prime numbers are odd then the product cannot be a square number because the only factors are the original prime numbers.  If one of the prime numbers is 2 then the product will be an even number , but again the only factors will be 2 and the other prime number.

So the answer is No.

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3 years ago
SECOND TIME ASKING PLS HELP: A multiple choice question has 3 options. What is the percentage that you will chose the WRONG opti
DiKsa [7]

Answer:

2/3 or 66.67%

Step-by-step explanation:

2 wrong options, 3 total options. 2 over 3.

<em>Big Brain</em>

Hope this helps!! :)

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2 years ago
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