Answer:
- 61, 61, 62, 64, 64, 66, 69, 69, 70, 72, 73, 74, 78, 78
- 69
- 64
- 73
-
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10 20 30 40 50 60 70 80 90 100
×--×-×-----×-----×
Answer:
.48
Step-by-step explanation:
Answer:
x = 6.3375
Step-by-step explanation:
sin53 = 4/5 (roughly) = 5.07/x
=> 4x = 25.35
=> x = 6.3375
-3 + 8 would be an option
A)
The question tells us that
y + z = 180
And
y=3x+20
z=x
So we put them in the first formula:
y + z = 180
(3x + 20) + x = 180
Add and get x to one side:
4x + 20 = 180
4x + 20 - 20 = 180-20
4x = 160
Divide both sides by 4
x = 40
B)
Put x back in to equation to get size of each angle:
Y =3x +20
Y=3(40)+20
Y=120+20
Y=140
Z=x
Z=40
Verify: y+z=180
140+40=180
180=180