Answer:120
Step-by-step explanation:
calculate the sum of the negetive numbers 3x-40
=120
Step-by-step explanation:
From the Pythagorean theorem we have:
<em>subtract b² from both sides</em>

Same:

The answers are:
x = 13
y = -11
Answer:
<u>x = 1.2√2</u>
Step-by-step explanation:
Taking the cosine value of the angle :
- cos 45° = 1.2/x
- 1/√2 = 1.2/x
- <u>x = 1.2√2</u>
You haven't included a diagram, however, if it's an isosceles triangle 2 of its sides will be the same and 1 will be different