Answer:
4
Step-by-step explanation:
2x²-3x-15=5
2x²-3x-15-5=0
2x²-3x-20=0
½(2x+5)(2x-8)
-2x=-5
x=-5/2
2x-8=0
2x=8
x=4
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Answer: x=1.5
Step-by-step explanation:
x/4 = 3/8 | *4
(x/4)*4=(3/8)*4
x=3/2=1.5
x=1.5
Answer:
0.2 = 20% probability that Ali will win the game.
Step-by-step explanation:
A probability is the number of desired outcomes divided by the number of total outcomes.
Total outcomes:
The 10 sides that the dice can land, which means that
Desired outcomes:
Sides that are multiple of 4, that is, side 4 and side 8, so
Work out the probability that Ali will win the game.
0.2 = 20% probability that Ali will win the game.