Answer:
Angle of 1 part: 40°
Angle of 2 parts: 80°
Step-by-step explanation:
Angles in a circle / Equal parts of a circles = Angle of 1 part
360/9 = 40°
40 x 2 = 80
Answer:
-16 (t+3) (t-3)
Step-by-step explanation:
Answer:
61.712
Step-by-step explanation:
Multiply .8x.04
Multiply .8x.0
Multiply .8x2
Multiply .8x2
Than add a zero under the answer of .8x.04
Multiply 2x.04
Multiply 2x.0
Multiply 2x2
Multiply 2x 2
Answer:
30 marbles would be green
Step-by-step explanation:
green chance is 0.3
red chance 0.7
.3 times 100
30 green marbles is what you would expect
Answer:
x = -180
Step-by-step explanation:
0 = 0.65x + 117
-117 = 65x/100
cross-multiply to solve for 'x':
65x = -11700
x = -11700/65
x = -180