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Svetlanka [38]
2 years ago
15

Solve: |4x+3|=|2x+1|

Mathematics
2 answers:
kakasveta [241]2 years ago
8 0
(1) 4x+3=2x+1
<=> 2x=-2
<=> x=-1
(2) -4x-3=-2x-1
<=> -2x=2
<=> x=1
anastassius [24]2 years ago
7 0

Step-by-step explanation:

<h3>|4x+3|=|2x+1|</h3>

THERE ARE TWO UNIQUE EQUATIONs

4x+3=2x+1

2x=-2

x=-1

(or)

4x+3= -(2x+1)

4x+3=-2x-1

6x=-4

x=-2/3

<h3>Therefore x=-1 , -2/3</h3>
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2 years ago
Suppose an isosceles triangle ABC has A = 45° and b = c = 4. What is the length of a^2?
Mila [183]
Since b = c, the angles B and C are congruent.
180 - 45 = 135
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Since we know two sides and all three angles, we can use the law of sines to find a.

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