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Answer:
Step-by-step explanation:
Where r = 9 cm, θ = 80 degrees
=><u><em> Firstly 80 degrees in radians</em></u>
80° = 1.4 radians
=> <u><em>Now, The solution:</em></u>
Answer:
<h3>B. x+11=16</h3><h3>C. x*2=10</h3>Step-by-step explanation:
You have to isolate the term of x from one side of the equation.
<h3>1. 3+x=9</h3><u>First, switch sides.</u>
x+3=9
<u>Subtract by 3 from both sides.</u>
x+3-3=9-3
<u>Solve.</u>
<u />
<u>Subtract the numbers from left to right.</u>
9-3=6
x=6
<h3>2. x+11=16</h3><u>First, subtract by 11 from both sides.</u>
x+11-11=16-11
<u>Solve.</u>
<u>
Subtract the numbers from left to right.</u>
16-11=5
<h3><u>x=5</u></h3><h3>3. x*2=10</h3><u>First, divide by 2 from both sides.</u>
<u>Solve.</u>
<u>Divide the numbers from left to right.</u>
10/2=5
<h3><u>x=5</u></h3><h3>4. 5*x=15</h3><u>First, switch sides.</u>
x*5=15
x*5=5x
5x=15
<u>Divide by 5 from both sides.</u>
5x/5=15/5
<u>Solve.</u>
<u />
<u>Divide the numbers from left to right.</u>
15/5=3
<h3><u>x=3</u></h3>- <u>Therefore, the correct answer is "B. x+11=16 and C. x*2=10".</u>
I hope this helps, let me know if you have any questions.
Answer:
<em><u>k</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>1</u></em><em><u>6</u></em>
Step-by-step explanation:
Factor is ( x+2 ):
Root is -2.