3 years ago

PLZ ANSWER! ONLY IF YOU ARE CORRECT! don’t answer if you don’t know please.

Mathematics

1 answer:

kolbaska11 [484]3 years ago

7 0

Answer:

10-

Step-by-step explanation:

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The average of four numbers is 98. If three of the numbers are 86,87,and 91 what is the fourth number?

timurjin [86]

To find the average, you have to add all the numbers up and then divide by the amount of numbers you added together.

Equation: (86+87+91+x)/4=98
Solve for x:
86+87+91+x=98*4
264+x=392
x=392-264
x=128

The fourth number is 128

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3 years ago

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Marina86 [1]

Answer:

$\frac{2}{k+2}$

Step-by-step explanation:

Simplify the expression and you will get this.

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2 years ago

Vernon tossed a coin 20 times. The results were 8 head s and 12 tails. What is the experimental probability of tossing heads?

solmaris [256]

Answer:

2/5

Step-by-step explanation:

The experimental probability is

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3 years ago

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Alik [6]

Answer:

the constant propertianr would be 4!

Step-by-step explanation:

1 times 4 is 4

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3 times 4 is 12

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pochemuha

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