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Dafna1 [17]
3 years ago
11

Solve the equation x/2 - 2/x+1 =1

Mathematics
2 answers:
QveST [7]3 years ago
8 0

Answer:

2

Step-by-step explanation:

x^2_4+2x=2x

x^2_4=2x_2x

x^2=4

x^2=2^2

x=2

Julli [10]3 years ago
3 0

Answer:

x=2; x=-2

Step-by-step explanation:

Please see attached document for step-by-step instructions. Given equation is provided in red ink. In addition, reductions are in red ink. Green ink is used for moving. Please note, square roots have two values - a positive and negative value.

~~

Thank you. If this answered assist with understanding math better, please don't forget about providing a Brainlist.

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Svetllana [295]
There are 721 freshman. 
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5 0
3 years ago
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Which expression is equivalent in to the given expression? Assume the denominator does not equal zero.
marusya05 [52]

The equivalent expression of 14r^4y^6/7r^8y^2 is 2y^4/r^4

<h3>How to determine the equivalent function?</h3>

The expression is given as:

14r^4y^6/7r^8y^2

Start by dividing 14 by 7

2r^4y^6/r^8y^2

Next divide y^6 by y^2

2r^4y^4/r^8

Lastly divide r^4 by r^8

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Hence, the equivalent expression of 14r^4y^6/7r^8y^2 is 2y^4/r^4

Read more about equivalent expression at:

brainly.com/question/2972832

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Which expression is a difference of squares?
agasfer [191]
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7 0
3 years ago
If n is a positive integer and r is the remainder when (n – 1)(n + 1) is divided by 24, what is the value of r?
11Alexandr11 [23.1K]

(1) n is not divisible by 2 --> pick two odd numbers: let's say 1 and 3 --> if , then and as zero is divisible by 24 (zero is divisible by any integer except zero itself) so remainder is 0 but if , then and 8 divided by 24 yields remainder of 8. Two different answers, hence not sufficient.

(2) n is not divisible by 3 --> pick two numbers which are not divisible by 3: let's say 1 and 2 --> if , then , so remainder is 0 but if , then and 3 divided by 24 yields remainder of 3. Two different answers, hence not sufficient.

(1)+(2) Let's check for several numbers which are not divisible by 2 or 3:

--> --> remainder 0;

--> --> remainder 0;

--> --> remainder 0;

--> --> remainder 0.

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4 years ago
A sandwich shop sells sandwiches for $5.95 each, including tax. the shop received a total of $71.40 from the sales of sandwiches
Leokris [45]
The equation for determine the cost of sandwiches one afternoon is <span>y<span>=5.95*x 
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The equation for determine the number of sandwiches sold one afternoon is <span>x=y/5.95</span>

We have that

<span>y=71.40</span>
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3 years ago
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