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Rasek [7]
3 years ago
10

A circle with a circumference of 6 has an arc with a 20 degree central angle.

Mathematics
1 answer:
blagie [28]3 years ago
7 0

Answer:

1/3

Step-by-step explanation:

If the central angle is 20 degrees, that means that the arc of this circle takes up 1/18 of the circle's circumference. Because there are 360 degrees in a circle, we get 1/18 by dividing the part (20 degrees) over the whole (360 degrees)

Now that we know that, we do the same for the circumference measure by taking 1/18 of 6, which is 1/3

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Is 4.5 same as 4.50?
Softa [21]

Answer:

Yes

Step-by-step explanation:

0s after all the decimals do not count

4 0
3 years ago
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[MATH] I need help on all of them! Please and thank you <33
REY [17]

Answer:

2) 45

3) 25

4) 50%

5) 33.3%

6) 17.6

7) 500

8) 35%

9) 60

10) 87.5%

11) 2.64

12) 25%

13) 5.7

14) 85%

16) 75%

Step-by-step explanation:

2) 9 = 20% of x

9 * 5 = 45

3) 8% of x = 2

12.5 * 2 = 25

4) 39 = x(78)

39/78 = 1/2 = 50%

5) x(36) = 12

12/36 = 1/3 = 33.3...%

6) x = 0.8(22)

22/10 = 2.2

2.2* 8 = 16 + 1.6 = 17.6

7) 55 = 0.11(x)

55/11 = 5

5 * 100 = 500

8) 7/20 = 35/100 = 35%

9) 27 = 0.45(x)

27/45 = 3/5

3/5 * 100 = 300/5 = 60

10) . 49/56 = 7/8 = 0.875 = 87.5%

11) 6/100 = 0.06

0.06 * 44 = 2.64

12) 48/192 = 6/24 = 1/4 = 25%

13) 95/100 = 0.95

0.95 * 6 = 5.40 + 0.3 = 5.7

14) 68/80 = 34/40 = 17/20 = 85%

16) 108/144 = 9/12 = 0.75 = 75%

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

3 0
3 years ago
A Ferris wheel has a radius of 10 m, and the bottom of the wheel passes 1 m above the ground. If the Ferris wheel makes one comp
Volgvan

Answer:1+10(1-\cos (\frac{\pi t}{9}))

Step-by-step explanation:

Given

radius of wheel r=10 m

Time period of Wheel T=18 s

and T\cdot \omega =2\pi , where \omega =angular velocity of wheel

\omega =\frac{2\pi }{18}

Let at any angle \thetawith vertical position of a point is given by

x=r\sin \theta

y=y_0+r(1-\cos \theta )

and \theta =\omega \times t

for velocity differentiate x and y to get

v_x=r\cos \theta =r\cos (\omega t)

v_y=0+r(\sin \theta )=r\sin (\omeag t)

Height at any time t is given by

h=1+10(1-\cos \theta )=1+10(1-\cos (\frac{\pi t}{9}))

7 0
3 years ago
Using the distributive property, write and equivalent expression for 7(x+2)
Marrrta [24]

Answer:

7x + 14

Step-by-step explanation:

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Does anyone know how to do this?
dezoksy [38]
It is 45 because angle EBC is congruent to CDE (x) because of a rule called alternate angles. so x= 45°
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