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Advocard [28]
3 years ago
7

Someone please help! Here's the question: Twenty boys signed up for the school play. The number of girls who signed up was 195%

of the number of boys. At the auditions, only 26 girls attended. What percent of the girls signed up for the play attended the auditions? Please show me the steps.
Mathematics
1 answer:
kipiarov [429]3 years ago
8 0
20*1.95 =39 girls
26girls/39girls =0.667
0.667*100 = 66.67%
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In radian measure, the angles of a 45-45-90 triangle are:
jeka94

Answer:

The answer is the option A \frac{\pi}{4},\frac{\pi}{4},\frac{\pi}{2}

Step-by-step explanation:

we know that

The measure of \pi radians is equal to 180\°

so by proportion

Find the measure in radians of  45\°

\frac{\pi}{180}\frac{radians}{degrees}=\frac{x}{45}\frac{radians}{degrees}\\ \\x=(45/180)*\pi \\ \\x=\frac{\pi}{4}

Find the measure in radians of  90\°

\frac{\pi}{180}\frac{radians}{degrees}=\frac{x}{90}\frac{radians}{degrees}\\ \\x=(90/180)*\pi \\ \\x=\frac{\pi}{2}

therefore

In radian measure the angles are

\frac{\pi}{4},\frac{\pi}{4},\frac{\pi}{2}

8 0
3 years ago
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The sum of two numbers is 72. one number is 4 less than the other number. what are the two numbers?
-Dominant- [34]
Let 1st number be = x
Thus second number = x - 4

Now

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1st number is 38 thus 2nd number is (38 - 4) = 34
8 0
3 years ago
Find the length of side x in simplest radical form with a rational denominator.60°130°X
iren [92.7K]

We will solve using the law of sines as follows:

\frac{1}{\sin(30)}=\frac{X}{\sin (60)}

Now, we solve for X:

\Rightarrow X=\frac{\sin(60)}{\sin(30)}\Rightarrow X=\sqrt[]{3}

So, the length of X is sqrt(3).

5 0
1 year ago
Item 10
vfiekz [6]

Answer:

21 Students

Step-by-step explanation:

140 x .15 = 21

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3 years ago
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RoseWind [281]

The solution to the systems of equations is (7, 3)

Given the systems of equations expressed as:

-x + 4y = 5 ....................1

x - 5y = -2 ...................... 2

Add both equations to have:

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-y = -3

y = 3

Substitute y = 3 into equation 1:

-x + 4(3) = 5

-x + 12 = 5

-x = 5 - 12

-x = -7

x = 7

Hence the solution to the systems of equations is (7, 3)

Learn more on simultaneous equations here: brainly.com/question/148035

4 0
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