Answer:
x=23°
Step-by-step explanation:
93°+(3x+18)°=180°
93°+3x+18°=180°
111°+3x=180°
3x=180°-111°
3x=69°
x=69°:3
x=23°
Answer:
both are equal
Step-by-step explanation:
there are two side tails and heads so there a 1/2 chance it will land on heads
-16t^2+400=0
16t^2=400
take square root on both sides.

4t=20
t=20/4
t=5
Answer:
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Answer:
QN = 43
Step-by-step explanation:
3x-5 = 2x+8+3
3x-5 = 2x+11
x-5 = 11
x = 16
MP = 3x-5
MP = 3(16)-5
MP = 48-5
MP = 43
MP and QN are ≅ so QN = 43