(X+5)²=4/4
X+5=1, X+5=-1
X=1-5 X=-1-5
X=-4 X=-6
Answer:
6
Step-by-step explanation:
6²+x-x²=12+3-9
=15-9
=6
9514 1404 393
Answer:
(a) cos(55°) = 11/x
Step-by-step explanation:
The marked sides are the hypotenuse (x) and the side adjacent to the given angle (11). Then the relevant trig ratio is ...
Cos = Adjacent/Hypotenuse
cos(55°) = 11/x
Answer:
<h2>

</h2>
Step-by-step explanation:

Write all the numerators above the least common denominator

Multiply the parentheses

Distribute 3x through the parentheses

Collect like terms
Hope this helps...
Good luck on your assignment...