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MrRa [10]
3 years ago
7

IF THE PERIMETER OF A RECTANGLE IS EXPRESSED BY 2x ^ 2 + 5x + 9 AND THE WIDTH IS 2x ^ 2 + 1 FIND AN EXPRESSION FOR THE LENGTH.

Mathematics
1 answer:
alexira [117]3 years ago
7 0

Answer:

45

Step-by-step explanation

I did not copy the answer i know it by head

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give an example of parallel lines in the real world. then describe how you could prove that lines are parallel.
worty [1.4K]

Answer:

An example would be the way that the shelves of a bookcase are positioned, they are parallel. Parallel lines are two or more lines that when drawn out infinitely long never intersect.

Step-by-step explanation:


6 0
2 years ago
Use the expression 5x + 2^3 to match the following vocabulary words
sveticcg [70]
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3 0
2 years ago
What is the composition of Transformations mapping ∆ABC to ∆A'B"C"?
irina1246 [14]

Answer:

I would say the answer is

1. reflection across m

2. rotation about a

3. congruent to

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Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
A 32 year old mother realized that her age is twice the sum of her two children ages. Her son Jose is two years older than her d
jenyasd209 [6]
Again, guess and test should work perfectly fine.  Since 2(x+y)=32, x+y = 16. Because y-2 =x, y could be = 9 and x = 7. Hope that help!
3 0
3 years ago
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Why does (x-2)^2+9=0 have no real solutions?
alex41 [277]

Answer:

see explanation

Step-by-step explanation:

Given

(x - 2)² + 9 = 0 ( subtract 9 from both sides )

(x - 2)² = - 9  ( take the square root of both sides )

x - 2 = ± \sqrt{-9}

\sqrt{-9} yields no real solutions

There is no real number when multiplied by itself gives - 9

In fact the solutions to \sqrt{-9} are said to be imaginary, that is ± 3i

where i = \sqrt{-1}

If interested investigate further.

7 0
3 years ago
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