Answer:
Exact Form: 7/2
Decimal Form: 3.5
Mixed Number Form: 3 1/2
Step-by-step explanation:
3 1/2
x=13
Angle A and angle B are supplementary
Supplementary angles add to 180 degrees
<A + <B = 180
7x-18 + 8x+3 = 180
Combine like terms
15x -15 = 180
Add 15 to each side
15x-15 +15 = 180+15
15x = 195
Divide by 15
15x/15 =195/15
x =13
A to D is a diameter
M is a center
F to M is a radius
E is a tangent lines
H to A is a chord
C to E is an arc
Answer:160 presents
3 presents per minute
20 presents in one hour
20•8= 160
ok
Step-by-step explanation: 3cm i believe
Hope this helps! Correct me if I'm wrong.
