check the picture below.
make sure your calculator is in Degree mode.
C hope this helped :-) :-) :-) :-)
(4+x)+x=22
= 4+2x=22
= 2x = 18
= x = 9.
Gabriel is 9 years old, and Dan is 4 + 9 or 13 years old.
Since this is a right triangle, you can use the pythagorean theorem,
, to find XY. Since we know that 15 and 17 are our legs and that XY is the hypotenuse, we can solve it as such:

In short, XY is √514, or 22.67 rounded to the hundreths, units long.
<h2>
<em><u>
Podría ser -9</u></em></h2>
Step-by-step explanation: