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Dimas [21]
3 years ago
5

2 questions…

Mathematics
2 answers:
laila [671]3 years ago
8 0

Answer:

1) (-50) <(-25) < (-10) < 10 < 25

2) 150 in^2

Step-by-step explanation:

For the first question we list the numbers according to their sign(start from negative)

For the second question we multiply height with width to find the area of the rectangle.

dsp733 years ago
4 0

<h2><u>Question</u><u> </u><u>:</u><u>-</u></h2>

  • 1. order the intergers {-10, -25, 25, 10, -50} from least to greatest.

  • 2.what is the area of the rectangle?

<h3><u>Answer</u><u>:</u><u>-</u></h3>

1.

we know that,

negetive numbers are smaller than positive number,

<u>According</u><u> </u><u>to the question</u><u>,</u>

order the intergers {-10, -25, 25, 10, -50} from least to greatest is:-

\bold{(-50) 

2.

we know that,

Area of rectangle =length ×breath

<u>According</u><u> </u><u>to the question</u><u>, </u>

  • lenght=15 in
  • breadth=10 in

\bold{Area=15×10   } 

\bold{Area=150~in^{2}   } 

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I have to rewrite the expressions because they look very confusing.

1) The given fractions to add are:

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<span>A) The least common denominator is 20p
.
B) The first fraction rewritten with the LCD is (20p² +30) / 20p²

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</span>
<span>A) The least common denominator is 20p

FALSE: THE LCD IS 20p², because it the least expression that contains all the prime factors of both denominators: 4p² and 10p.

See that you cannot divide 20p by 4p² but you can divide 20p² by 4p² and 10 p. So, 20p is not a common denominator.
.
B) The first fraction rewritten with the LCD is (20p² +30) / 20p²

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=>

  20p² + 30
--------------
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</span>
<span><span>  20p² + 30        4p² - 4p         24p² - 4p + 30
-------------- +   --------------- = ----------------------
      20p²              20p²                    20p²</span>


And when you simplify the last fraction dividing by 2 you get:

  12p² - 2p + 15
-----------------------
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E) The sum is a rational expression.

TRUE:

The sum of rational number has the closure property which means that by adding rational expression you will always ge a rational expression.
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