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klemol [59]
3 years ago
12

If ∠Q measures 18°, ∠R measures 135°, and q equals 9.5, then which length can be found using the Law of Sines?

Mathematics
1 answer:
OLEGan [10]3 years ago
7 0

Answer:

r

Step-by-step explanation:

Since r is not given, the length we can be find using the Law of Sines using is length r.

The Sine formula or the Law of Sines

q/Sine Q = r/Sine R

q=9.5

r is the unknown

9.5/Sine 18° = r/ Sine 135°

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larisa [96]

Hey!

The formula for finding volume of a cylinder is: π · r² · h

r = 6 \\ r^{2} = 6 \times 6 = 36

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Now multiply

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4 years ago
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Suppose 300 nursing students took a certification test that is worth 100 points.
Alja [10]

Answer:

225 students scored 65 or better and 75 students scored 88 or better.

Step-by-step explanation:

We are given that The five-number summary for the scores of 300 nursing students are given :

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Q_3 = 88

Maximum = 100

Q_1 is the first quartile and is the median of the lower half of the data set. 25% of the numbers in the data set lie below Q_1 and about 75% lie above Q_1 .

Q_3 is the third quartile and is the median of the upper half of the data set. 75% of the numbers in the data set lie belowQ_3 and about 25% lie above Q_3

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Q_1 = 65

Since we know that 75% lie above Q_1 .

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ii)About how many students scored 88 or better?

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Since we know that 25% lie above Q_3

So, Number of students scored 88 or better = 25\% \times 300 = \frac{25}{100} \times 300 =75

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7 0
4 years ago
<img src="https://tex.z-dn.net/?f=4%28a%20%2B%202%20%29%20-%202%20%28a%20-%203%29" id="TexFormula1" title="4(a + 2 ) - 2 (a - 3)
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Answer:

\large\boxed{2a+14}

Step-by-step explanation:

4(a + 2 ) - 2 (a - 3)\qquad\text{use distributive property:}\ a(b+c)=ab+ac\\\\=4a+8-2a-(-6)\qquad\text{combine like terms}\\\\=(4a-2a)+(8+6)\\\\=2a+14

5 0
3 years ago
<img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B49%7D%20" id="TexFormula1" title=" \sqrt{49} " alt=" \sqrt{49} " align="absmiddle
VARVARA [1.3K]

\sqrt{49}  =\sqrt{7^2} =7

<h3><em>Hope I helped you!</em></h3><h3><em>Succes!</em></h3>
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Hi there!

\large\boxed{x = 16}

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3 years ago
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