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3 years ago

1. What is the circumference of the circle below? Use 3.14 for pi and Round

Mathematics

2 answers:

loris [4]3 years ago

7 0

Answer:

$C = 34.5 \ cm$

Step-by-step explanation:

Circumference of the circle is given as

$C=2\pi r$

Where r is radius of circle.

Diameter of given circle is 11 cm. We know radius is half of diameter.

$r=\frac{d}{2} = \frac{11}{2}$

Circumference can be calculated as

$C=2\pi (\frac{11}{2} )$

$C = 34.5 \ cm$

S_A_V [24]3 years ago

3 0

Answer:

22...................

Step-by-step explanation:

.................

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Dahasolnce [82]

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2 years ago

What percentage is the fraction ‘2/4’ equal to ?<br> A. 30% <br> B. 20% <br> C. 50% <br> D. 40%

Solnce55 [7]

Answer: C.) 50%

Step-by-step explanation:

2/4 simplified = 1/2

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= 50%

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3 years ago

Read 2 more answers

The hypotenuse of a 30- 60- 90 triangle has length 17. what is the length of the side opposite the 60 angle? if necessary, round

oksano4ka [1.4K]

Side opposite 30 = 1/2(hypotenuse) ⇒ 1/2(17) = 8.5
Side opposite 60 = $\sqrt{3}$ (side opposite 30) ⇒ $8.5 \sqrt{3}$ = 14.72 when rounded 2 decimal places

8 0

3 years ago

As the music plays,the volume changes In the beginning of the piece can be modeled by the equation s=10Ix-4I+50 where s represen

Ipatiy [6.2K]

Answer:

-127

Step-by-step explanation:

s = 101x-41+50

80 = 101x - 4+ 50

-101x

-181 = x - 4 +50

-181 = x -54

+ 54

-127 = x

I hope this helps

8 0

3 years ago

In ΔLMN, n = 510 cm, l = 820 cm and ∠M=20°. Find ∠L, to the nearest degree

Dafna11 [192]

The angular measure L is : 47°

<h3>What are angles?</h3>

Angles are formed when two lines meet.

Analysis:

Firstly, we calculate for m using cosine rule.

$m^{2}$ = $510^{2}$ + $820^{2}$ -2(510)(820) cos 20

$m^{2}$ = 260100 + 672400 -83600(0.9396)

$m^{2}$ = 146618.56

m = $\sqrt{146618.56}$ = 382.9cm

using sine rule to find ∠L

382.9/sin20 = 820/sinL

sinL = 820sin20/382.9

sinL = 820(0.342)/382.9

sinL = 0.732

L = sin inverse of 0.732 = 47°

In conclusion, ∠L is 47°

Learn more about sine and cosine rule: brainly.com/question/4372174

#SPJ1

8 0

2 years ago