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3 years ago

14

Mrs. Cronkhite paid $85.00 for her family of 4 to play laser tag and bowl at Evo. If each person cost the same amount to bowl an

d play laser tag, what was the cost for each person?

1 answer:

choli [55]3 years ago

3 0

Answer:

$21.25

Step-by-step explanation:

Mrs.Cronkhite paid $21.25 per person.

85 divided by 4 is 21.25

Hope this helps!

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The measures of two angles in a triangle are 32o and 78o. Which of the following equations could be used to find the measure of

Korvikt [17]

Answer:

32+78+x=180

Step-by-step explanation:

All triangle angles add up to 180, so add 78 and 32 then subtract it from 180 to get x, which in another form is 32+78+x=180.

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The average height of a family of five is 150 cm. If the height of 4 family members is 153, 150, 151, and 152, find the height o

Lady bird [3.3K]

J can find the height of the fifth member on this way
S=150
S1=153
S2=150
S3=151
S4=152
S5=?
S= (s1+s2+s3+s4+s5)/5:
5*150= <span>153+150+151+152+S5
S5=5*150-606=750-606=144
Answer is 144 cm</span>

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3 years ago

If you flip a fair coin 7 times, what is the probability that you will get exactly 4 tails?

andre [41]

Probability that you will get exactly 4 tails, if you flip a fair coin 7 times is: $\frac{35}{128}$

Step-by-step explanation:

We need to find the probability that you will get exactly 4 tails, if you flip a fair coin 7 times.

This is the combination question.

The total combinations will be: 2^7=128

Now, finding number of ways we can get exactly 4 tiles:

We will use the formula:

$^nC_k=\frac{n!}{k!(n-k)!}$

in our given question, n= 7, k= 4

Putting values:

$^nC_k=\frac{n!}{k!(n-k)!}\\^7C_4=\frac{7!}{4!*3!}\\ ^7C_4=\frac{7*6*5*4!}{4!*3!}\\ ^7C_4=\frac{7*6*5}{6}\\ ^7C_4=35$

So, Probability that you will get exactly 4 tails, if you flip a fair coin 7 times is: $\frac{35}{128}$

Keywords: Probability

Learn more about Probability at:

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I need help with homework

FromTheMoon [43]

Answer:

C

Step-by-step explanation:

Point C is on the x-axis.

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