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Eduardwww [97]
3 years ago
11

A dance CD has 5 songs on it - 2 are slow, and 3 are fast. When the DJ at a dance plays a song it is not played again. All songs

from the CD are played at random. What is the probability that the first two songs played are slow songs? a.2/25 b.2/20 c.4/20 d.4/25
Mathematics
1 answer:
iris [78.8K]3 years ago
8 0
<span>Combinations: 5!/2!3!=10

</span>possibility: 1/10 = 2/20

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Need help asap will give brainly
shutvik [7]

Answer:

3 is 75

4 is 124

5 is 61

Step-by-step explanation:

for number 4 angles 6 and 8 are supplementary so they add up to equal 180

if they said that 6=56 then we we subtract 56 from 180

180-56=124 so angle 8 equals 124

for number 5 angles 3 and 5 are also supplementary so the values combined will ad up to equal 180. If they say that angle 5 is equal to 119 then all we have to do to get the value of angle 3 is subtract 119 from 180

180-119-61 so angle 3 equals 61

hope this helps :D

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3 years ago
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Find the measure of each angle.
Galina-37 [17]

<u>Given</u>:

Given that the isosceles trapezoid JKLM.

The measure of ∠K is 118°

We need to determine the measure of each angle.

<u>Measure of ∠L:</u>

By the property of isosceles trapezoid, we have;

\angle K+\angle L=180^{\circ}

118^{\circ}+\angle L=180^{\circ}

           \angle L=62^{\circ}

Thus, the measure of ∠L is 62°

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By the property of isosceles trapezoid, we have;

\angle L \cong \angle M

Substituting the value, we get;

62^{\circ}=\angle M

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<u>Measure of ∠J:</u>

By the property of isosceles trapezoid, we have;

\angle J \cong \angle K

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Thus, the measure of ∠J is 118°

Hence, the measures of each angles of the isosceles trapezoid are ∠K = 118°, ∠L = 62°, ∠M = 62° and ∠J = 118°

4 0
3 years ago
12 is 20%of what number​
ra1l [238]

let's say is "x", thus "x" is the 100%, so, if "x" is the 100% and we know 12 is 20% of that, what's "x"?

\bf \begin{array}{ccll} amount&\%\\ \cline{1-2} x&100\\ 12&20 \end{array}\implies \cfrac{x}{12}=\cfrac{100}{20}\implies \cfrac{x}{12}=5\implies x = 60

4 0
4 years ago
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Aleksandr-060686 [28]

Answer:

8168.14

Step-by-step explanation:

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3 years ago
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Answer:

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