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kifflom [539]
3 years ago
6

27x 5 + 9x 4 - 18x 3) 9x 2

Mathematics
1 answer:
notka56 [123]3 years ago
4 0
In guessing it's 2,106.......
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The James family purchased their home in 2000 for $175,000. In 2017, they sold their home for $250,000. What is the percent chan
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Got a fairly simple looking system of equations, 2k+4y=20, and 3x+6y=30 Don't understand how to prove what values of k provide -
Leya [2.2K]

Answer:

2kx+4y=20 ⇒ kx+2y=10

3x+6y=30 ⇒ x+2y= 10

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Which answer is equal to the quotient in the expression below? (2x3 - x2) (x2)
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3 years ago
There are two numbers whose sum is 64. The larger number subtracted from 4 times the smaller number gives 31. Find the numbers.
Pani-rosa [81]

There are two numbers whose sum is 64. The larger number subtracted from 4 times the smaller number gives 31. Then the numbers are 45 and 19

<h3><u>Solution:</u></h3>

Given that, There are two numbers whose sum is 64.  

Let the number be a and b in which a is bigger.

Then, a + b = 64 ------ eqn (1)

The larger number subtracted from 4 times the smaller number gives 31.  

4 x b – a = 31  

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We have to find the numbers.

So, from eqn (2)

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On solving we get

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So, b = 19, then eqn 1

a + 19 = 64

On simplification,

a = 64 – 19

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Hence, the two numbers are 45 and 19

3 0
3 years ago
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