please help me with this math problem, the question is on the picture that i attached, ill mark brainliest if the answer is corr
1 answer:
Answer:
cos z = 35 / 37
Step-by-step explanation:
cos z is the ratio of the adjacent side of a triangle (the side adjacent to angle z to the hypotenuse:
cos z = (adj. side) / (hypotenuse)
Here we have cos z = 35 / 37
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1.4
To make a percent a decimal, divide it by 100.
140 ÷ 100
= 1.4
♧
Each Interior Angle = 180° - (360 / sides)
144 = 180 - (360 / sides)
(360 / sides) = 36
sides = 360 / 36
sides = 10
It is a decagon.
Source:
http://www.1728.org/polygon.htm
I'm guessing 71. I can't see everything
using a calculator,X=2,y=-4 and z=9.
R
Answer:
x =2.5
Step-by-step explanation:
- 13-2(x+4)=8x+1
- 13-2+4x=8x+1
- -13 -13
- -2+4x=8x-12
- +2 +2
- 4x = 8x-10
- -8x -8x
- -4x/-4 = -10/-4
x = 2.5
