Answer: See explanation.
Step-by-step explanation:
You need to put a little X on the graph down at the bottom on the ticks that represent 1/2, 3/4, 1 1/4, and 2.
Answer:
D
Step-by-step explanation:
1. Remind that

Here you can use trigonometric table to find the value of
, or you can remind that
and
because special right triangle 45°-45°-90° is isosceles (with congruent oppposite and adjacent legs) and the ratio between the opposite leg and adjacent leg is equal to 1.
2. Now

because

Step-by-step explanation:
I think you will get x this way:
x=180°-140°
x=40°
Answer:
7.235 cm
Step-by-step explanation:
Pythagorean theory
A^2 + B^2 = C^2
A = 4.7
B = 5.5
4.7^2 + 5.5^2 = C^2
22.09 + 30.25 = C^2
√52.34 = √C^2
7.235 cm ≈ C