Answer:
Be smart solider.
Step-by-step explanation:
The angles are supplementary so they add up to 180 degrees. The equation would be
x + 3x + 54 = 180
4x = 180-54
4x = 126
x = 31.5 degrees
1st angle is 31.5 degrees
2nd angle is 3x+54 = 148.5 degrees.
To check 148.5+31.5 = 180
First of all, we have to set the equation in the form , where is a quadratic polynomial. So, we have
Even though using the quadratic formula for such a simple case is a little bit overkill, it is surely doable: we have
And the formula for solving is
So, if we plug our values, we have
And thus the solutions are
Answer:
6
Step-by-step explanation:
Negative ×negative always gives gives a positive
1 Subtract <span><span>yy</span>y</span> from both sides
<span><span><span>43−y=<span>x3</span>−5</span>43-y=\frac{x}{3}-5</span><span>43−y=<span><span>3</span><span>x</span><span></span></span>−5</span></span>
2 Add <span><span>55</span>5</span> to both sides
<span><span><span>43−y+5=<span>x3</span></span>43-y+5=\frac{x}{3}</span><span>43−y+5=<span><span>3</span><span>x</span><span></span></span></span></span>
3 Simplify <span><span><span>43−y+5</span>43-y+5</span><span>43−y+5</span></span> to <span><span><span>48−y</span>48-y</span><span>48−y</span></span>
<span><span><span>48−y=<span>x3</span></span>48-y=\frac{x}{3}</span><span>48−y=<span><span>3</span><span>x</span><span></span></span></span></span>
4 Multiply both sides by <span><span>33</span>3</span>
<span><span><span>(48−y)×3=x</span>(48-y)\times 3=x</span><span>(48−y)×3=x</span></span>
5 Regroup terms
<span><span><span>3(48−y)=x</span>3(48-y)=x</span><span>3(48−y)=x</span></span>
6 Switch sides
<span><span><span>x=3(48−y)</span>x=3(48-y)</span><span>x=3(48−y<span>)</span></span></span>