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2 years ago

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A total of 356 tickets were sold for the school play. They were either adult tickets or student tickets. The number of student t

ickets sold was three times the number of adult tickets sold. How many adult tickets were sold

1 answer:

Illusion [34]2 years ago

5 0

Answer:

x + 3x = 356

4x = 356

x = 356/4 = 89.

answer: 89

Step-by-step explanation:

hopefully this helped :)

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labwork [276]

Circumference of the smaller circle, using $C = \pi d$ , is approximately equal to 18.85 (I used the high floating point precision approximation of pi my calculator has in memory, then rounded to 2 decimal points.)

Using the formula $S = 0.2L$ , which in English says "the smaller circle's circumference is equal to 20% of the larger circle's", we can substitute the known value S: $18.85 = 0.2L$ and solve for L: $\frac{18.5}{0.2} = L, L = 92.5$ .

So the larger circle has a circumference approximately equal to 92.5 units.

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3 years ago

PLEASE HELP: Find the measure of each angle in the isosceles

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Answer:

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Step-by-step explanation:

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2 years ago

The rectangle is three times its width.

Airida [17]

Answer:

Length= 30 in

Width= 10 in

Step-by-step explanation:

Let the width of the rectangle be x in.

Length of rectangle

= 3 (width)

= 3x

Perimeter of rectangle= 2(length) +2(width)

80= 2(3x) +2(x)

80= 6x +2x

8x= 80 <em>(</em><em>simplify</em><em>)</em>

x= 80 ÷8 <em>(</em><em>÷</em><em>8</em><em> </em><em>on</em><em> </em><em>both</em><em> </em><em>sides</em><em>)</em>

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2 years ago

Find the value of the permutation. <br> 8P1 ?

vovangra [49]

P(n, r) = n!
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2 years ago

Read 2 more answers

Calculate the approximate probability that at least 2 children have been diagnosed with ASD among the 200 selected children.

mixas84 [53]

Answer:

The approximate probability that at least 2 children have been diagnosed with ASD among the 200 selected children is

0.01 or 1%.

Step-by-step explanation:

Number of selected children = 200

The probability of no child been diagnosed with ASD = P(None) = 198/200 = 0.99

Therefore, the probability of at least two children been diagnosed with ASD = 1 - 0.99 = 0.01.

This is the same as:

If 2 children have been diagnosed with ASD,

therefore, the approximate probability that at least 2 children have been diagnosed is:

2/200 = 0.01. This value is equal to 1%.

The above are summed up in:

The probability of at least one = 1/200 = 0.05

Therefore, the probability of at least two = 0.05 * 2 = 0.01

b) Generally, to find the probability of at least one event happening, we calculate the probability of none and then subtract that result from 1. That is, P(at least one) = 1 – P(none). For two events happening, the sum of the probability of at least one in two places is deducted from 1 to get the probability of at least two.

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2 years ago