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Morgarella [4.7K]
3 years ago
15

What’s the measure of x

Mathematics
1 answer:
Tcecarenko [31]3 years ago
6 0
D. 66.

add 90 (the right angle) and 24 and get 114. then subtract that from 180 because we know that all angles in a triangle equal 180°. 180-114=66°
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Zinaida [17]
They both get their cars washed on every 60th day.


You can solve this equation by finding the lcm (least common multiple):

15 30 45 60 75 90 105

20 40 60 80 100

The lowest common multiple is 60 as it is the first multiple the two have in common.

So, in sixty days, they’ll both get their car washed again

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1 year ago
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Quick calculus question work doesn't have to be shown
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\bf \textit{volume of a sphere}\\\\
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\\\\\\
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5 0
3 years ago
what is The ratio of boys to girls at the dance was 9 to 5. How many girls were at the dance if there were 85 girls at the dance
AleksandrR [38]

Answer: 153 boys

Step-by-step explanation:

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A students' choir contains 25 children and only 5 of them play the piano. If a child is selected at random, what is the probabil
solniwko [45]

Answer:

probability that the child DOES NOT play the piano

P(E^{-})  =\frac{4}{5}

Step-by-step explanation:

A students' choir contains 25 children

n(S) =25

The number of students play the piano =5

Let 'E' be the event of the child play the piano so n(E) =5

The probability of that the child play the piano

 P(E) = \frac{n(E)}{n(S)}

 P(E) = \frac{5}{25}= \frac{1}{5}

Let 'E⁻ be the event of the child play does not play the piano

P(E^{-}) = 1- P(E)

P(E^{-}) = 1- \frac{1}{5} =\frac{4}{5}

<u>Conclusion</u>:-

probability that the child DOES NOT play the piano

P(E^{-})  =\frac{4}{5}

5 0
3 years ago
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