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PtichkaEL [24]
3 years ago
13

What is x2= 5 ? I’m confused

Mathematics
1 answer:
Temka [501]3 years ago
5 0

Answer:

x = 2.5

Step-by-step explanation:

solve through algebra

x2 = 5 Given

2x =5 Commutative Property

x=5/2 Divide both sides by 2

x = 2.5

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Let x = unknown number

2x + 19 = 5x

Done!

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If f(x) = x + 5, what does f(8) represent?
wel
All you do is plug in 8 for x. 

So it f(8) = 8 + 5
which equals 13 

Hope this helps!
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Leila bought 2 pairs of shoes that were the same price. Including the $3 sales tax, she paid a total of $57. What was the cost o
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How to reduce into simpler terms.?
Sveta_85 [38]

Answer:

The simplest form of the fraction \frac{45}{100}  is  \frac{9}{20}.

i.e.

\frac{45}{100}=\frac{9}{20}

Step-by-step explanation:

Here are some simple observations regarding how to reduce a fraction into simpler terms:

  • A fraction is reduced to lowest or simplest terms by finding an equivalent fraction in which the numerator and denominator are as small as possible.
  • In order to reduce a fraction to lowest or simplest terms, divide the numerator and denominator by their (GCF). Note that (GCF) is also called Greatest Common Factor .

So, lets take a sample fraction and reduce into simpler terms.

Considering the fraction

\frac{45}{100}

\mathrm{Find\:a\:common\:factor\:of\:}45\mathrm{\:and\:}100\mathrm{\:in\:order\:to\:cancel\:it\:out}

\mathrm{Greatest\:Common\:Divisor\:of\:}45,\:100:\quad 5

\mathrm{Factor\:out\:}5\mathrm{\:from\:the\:numerator\:and\:the\:denominator}

45=5\cdot \:9\mathrm{,\:\quad }100=5\cdot \:20

so

\frac{45}{100}=\frac{5\cdot \:\:9}{5\cdot \:\:20}

\mathrm{Cancel\:the\:common\:factor:}\:5

     =\frac{9}{20}

Therefore, the simplest form of the fraction \frac{45}{100}  is  \frac{9}{20}.

i.e.

\frac{45}{100}=\frac{9}{20}

4 0
3 years ago
Alex, Mark & Peter share some money in the ratio 4 : 7 : 1. In total, Alex and Peter receive £60. How much does Mark get?
LuckyWell [14K]

Answer:

32$

Step-by-step explanation:

7 0
4 years ago
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