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OLga [1]
3 years ago
15

A number cube is rolled 25 times. A number less than four comes up 20 times. What is the experimental probability that a number

less than four is rolled
Mathematics
1 answer:
laiz [17]3 years ago
4 0
It would be 20 because the highest number is 25
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7 0
4 years ago
−2(x+1/4)+1=5 PLEASE HELP
PilotLPTM [1.2K]

Answer: x=−9/4

Step-by-step explanation:

Let's solve your equation step-by-step.

−2(x+14)+1=5

Step 1: Simplify both sides of the equation.

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Step 3: Divide both sides by -2.

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7 0
3 years ago
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HELP!!!!!
podryga [215]
Solve for the x-max or h :\
-b/(2a)=-8/(2*-2)=2=k
plug it in to equation to get k:/
y(2)=-2(2)^2+8(2)+3
-8+16+3=11=k
y=a(x-2)^2+11

solve for a by pluging (0,0)
then a= -11/4
y=-11/4(x-2)^2+11

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3 years ago
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