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andrew11 [14]
3 years ago
11

X^2+4x-5/1-x how do you simplify it?

Mathematics
2 answers:
Elodia [21]3 years ago
7 0
<span><span><span>x^2</span></span><span><span>+<span>4x</span></span><span>-5</span></span></span> using the AC method.<span><span><span>(<span>x<span>−1</span></span>)</span><span>(<span>x+5</span>)/</span></span><span>1<span>−<span>x
which gives you -x-5</span></span></span></span>
Zepler [3.9K]3 years ago
3 0
Cancel out the x by distributing basically 
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Step-by-step explanation:

6+(2+3)² = 31

(No Step-By-Step Included)

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8 0
2 years ago
From the hay loft door, Ted sees his dog on the ground. The angle of depression of the dog is 40º. Ted's eye level is 16 feet ab
Vlad1618 [11]

Answer: 19 feet

Step-by-step explanation:

Hi, since the situation forms a right triangle (see attachment) we have to apply the next trigonometric function.  

Tan α = opposite side / adjacent side  

Where α is the angle of depression of the dog, the opposite side (16) is Ted's eye level above the ground, and the adjacent side (x) is the distance between the dog and the barn door.

Replacing with the values given:  

tan40 = 16/x

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5 0
3 years ago
A tree that is 4 ft tall is growing at a rate of 1 ft each year a tree that is 12 feet tall is growing at a rate of 1/2 ft each
Andreyy89

Answer:

16 years

Step-by-step explanation:

Given data

For the first tree

let the expression for the height be

y=4+x--------------1

where y= the total height

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          x= the number of years

For the second tree, the expression is

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Equate 1 and 2

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x= 8/0.5

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Hence it will take 16 years for both trees to have the same height

5 0
2 years ago
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