<h3>Given:</h3>
<h3>Note that:</h3>
- Hyp= Hypotenuse
- Adj= Adjacent
<h3>To find:</h3>
The size of the unknown angle "x".
<h3>Solution:</h3>
We'll have to check which one is appropriate from SOHCAHTOA.
In this question we'll have to use cos because hypotenuse and adjacent is given.
Substitute according to the formula.
We'll have to use cos inverse.
<u>Therefore</u><u>,</u><u> </u><u>the</u><u> </u><u>size</u><u> </u><u>of</u><u> </u><u>the</u><u> </u><u>unknown</u><u> </u><u>angle</u><u> </u><u>"</u><u>x"</u><u> </u><u>is</u><u> </u><u>50.5</u><u>°</u>
Answer: 10/3Explanation:I will rewrite the expression using the math editor just to make it more understandable.
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Now, I will show the solution step-by-step
1) Solve the parenthesis:
=>
2) Calculate the product of the fraction 1/3 times number 22 and rais 2 to the power 2:
=> <span>
3) Subtract 4 from the fraction 22/3
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You must simplify the equation to solve the question.
2x + 6x = 8x
answer = 8x + 7 = 0
2x - 3y = 18
First, you want to isolate y.
You do this by firstly subtracting 2x from both sides.
-3y = 18 - 2x
Then you divide both sides by -3.
y = (18 - 2x)/3
You now have your function. With this you can plug in x variables to find points. I’m going to use the variables: 0, 8, -2, and 1
If x = 0 : (18 - 2 * 0)/3 = (18 - 0)/3 = 18/3 = 6
First point: (0, 6)
If x = 8 : (18 - 2 * 8)/3 = (18 - 16)/3 = 3/3 = 1
Second point: (8, 1)
If x = -2 : (18 - 2 * -2)/3 = (18 + 4)/3 = 22/3
Third point: ( -2, 22/3)
Note: to make that easier to plot, change the fraction into a mixed number- so it would be 7 and 1/3
If x = 1 : (18 - 2 * 1)/3 = (18 - 2)/3 = 16/3
Fourth point: (1, 16/3)
Note: the mixed number would be 5 and 1/3
You can choose whatever x variables you want. I just choose some that would result in a whole number or a number that wouldn’t be too large - which can make it difficult to plot sometimes. For the future, some good go-to x variables are just -1, 0, 1, and 2. Just cause they’re easy numbers.
I can’t do it without the graph :(
