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AlladinOne [14]
3 years ago
13

2. What is the circumference of a circle with a radius of 22 centimeters? Use 3.14 for at

Mathematics
1 answer:
erma4kov [3.2K]3 years ago
4 0

Answer:

138.16 feet

Step-by-step explanation:

C = 2\pi \: r  \\ = 2 \times 3.14 \times 22 \\  = 44 \times 3.14 \\  = 138.16 \: feet

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An even function must always have what characteristic?
Gelneren [198K]
D because d is always right hahahahaha
6 0
3 years ago
Carl and Rita ate breakfast at the local diner. Their bill came to $11.48. They gave their waitress a tip that was 25% of the bi
Trava [24]
Converting percentage to a decimal: 
<span>25% = 25 / 100 = 0.25 </span>

<span>What is 25% of 11.48 </span>
<span>= 25% * 11.48 </span>
<span>= 0.25 * 11.48 </span>
<span>= 2.87</span>
5 0
3 years ago
Use the figure to the right to find the missing lengths of the triangle.
pychu [463]

To find AB(x) and BC(y), you can do(there are multiple ways you can do this):

tan A = \frac{y}{7}

tan 60° = \frac{y}{7} or (tan 60°) · 7 = y

tan 60° = \frac{\frac{\sqrt{3} }{2} }{ \frac{1}{2} } = \sqrt{3}

√3 · 7 = y

7√3 cm = y


sin B = \frac{7}{x}

sin 30° = \frac{7}{x} or x= \frac{7}{sin 30}

sin 30° = \frac{\frac{1}{2} }{1} = \frac{1}{2}

x = \frac{7}{\frac{1}{2} } = 14

x = 14 cm


AB = 14cm

BC = 7√3 cm

8 0
3 years ago
What is the interquartile for this set of data? 11,19,35,42,60,72,80,85,88
exis [7]

Answer:

55.5

Step-by-step explanation:

find the median - in this case it's 60

then group the upper and lower halves of the data:

(11, 19, 35, 42) 60 (72, 80, 85, 88)

now we find the medians of those sets:

35 + 19/2 = 54/2 =27

80 + 85/2 = 165/2 = 82.5

then subtract those two medians to find the interquartile:

82.5 - 27 = 55.5

4 0
3 years ago
Given isosceles AHIJ where HIIT, MZH = (3x + 10)", and mZ1 = (6x – 20)", find the measures of angles H, I and J.
sergejj [24]

Answer:

110 degrees I think

Step-by-step explanation:

6 0
3 years ago
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