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AlekseyPX
3 years ago
9

The angular velocity of a point on a circle with radius of 12 feet is 15 radians per second. Find the speed of the point on the

circle.
Mathematics
2 answers:
Lyrx [107]3 years ago
5 0
Angular speed: 
(24*pi)*(15 pi/2pi) ft/sec:
565 ft/sec 
IRINA_888 [86]3 years ago
4 0

Answer:

v=180frac{ft}{sec}

Step-by-step explanation:

Givens:

  • r=12 \ ft
  • \omega = 15 \frac{rad}{sec}

The problem is asking for the speed of the point on the circle, that is, the linear speed, which definition is: v=r \omega

Replacing given values:

v=12 \ ft (15\frac{rad}{sec})=180\frac{ft}{sec}

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Lina20 [59]

Answer:

C

Step-by-step explanation:

Add 10x to both sides:

-10x - 135 = 117 + 2x

-10x - 135 + 10x = 117 + 2x + 10x

-135 = 117 + 12x

Subtract 117 from both sides:

-135 - 117 = 117 + 12x - 117

-252 = 12x

Divide both sides by 12:

\frac{-252}{12} = \frac{12x}{12}

-21 = x

So the answer is C.

Hope this helps!

6 0
2 years ago
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PLEASE HELP! I’ll mark you as brainliest if correct
sleet_krkn [62]

Answer:

3. b

2. c

Step-by-step explanation:

The Range (Statistics) The Range is the difference between the lowest and highest values.

The mean is the sum divided by the count.

4 0
3 years ago
SO LOST! ASAP!<br><br> Please show proof of your answer! I’m so lost...
Luba_88 [7]

Answer:c. Y=(x-3)^2-2

Step-by-step explanation: y=(x-3)^2-2

Y=x^2-6x+7

4 0
3 years ago
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What is the GCF of 90 and 190?
IrinaVladis [17]
Let's first find out their factors.

90's factors are : 

1,2,3,5,6,9,10,15,18,30,45,90

190's factors are :

1,2,5,10,19,38,95,190

The common factors of 90 and 190 are :

1,2,5 and 10. 

The greatest one among these is, 10. So the greatest factor of 90 and 190 is 10.




7 0
2 years ago
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Danny rented a truck for one day. There was a base fee of $15.99, and there was an additional charge of 92 cents for each mile d
Kitty [74]

Answer:

194 miles

Step-by-step explanation:

The base fee of $15.99 is going to have to be paid, whether any miles are put on the truck or not.  If the number of miles driven is our unknown, if we rent the truck for the base fee of $15.99 and drive it 0 miles, we still have to pay the $15.99.  If we do drive it and we have to pay .92 a mile, the expression for that is .92x, where x is the number of miles driven (it is also the variable we are solving for!).  The expression for this total cost is .92x + 15.99, and since we paid a total of $194.47, we set our cost equation equal to that number and solve for x:

.92x + 15.99 = 194.47 and

.92x = 178.48 so

x = 194 miles driven

5 0
3 years ago
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