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expeople1 [14]
3 years ago
7

Ivanna is riding on a bike course that is 60 miles long. So far, she has ridden 30 miles of the course. What percentage of the c

ourse has ivanna ridden so far?
Mathematics
2 answers:
Anon25 [30]3 years ago
8 0

Step-by-step explanation:

Elza [17]3 years ago
7 0

she has rode 50% of the course

30/60= 1/2

if you divide 1/2 you’ll get 0.50 which if you use dr.p you will get 50%

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Answer:

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Step-by-step explanation:

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It is also an isosceles triangle, because two of the sides are of equal length.

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4 0
3 years ago
What is the surface area of a sphere with a radius of 11cm? Use 3.14 for pi
vagabundo [1.1K]
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3 years ago
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3 years ago
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The wheels on Darlene's car have on 11-inch radius. If the wheels are rotating at a rate of 378 rpm, find the linear speed in mi
elena-s [515]

Answer:

The linear speed in which Darlene is traveling is 24.74 miles per hour.

Step-by-step explanation:

The wheel experiments rolling, which is a combination of translation and rotation. The point where linear speed happens is located at geometrical center of the wheel and instantaneous center of rotation is located at the point of contact between wheel and ground. The linear speed (v), measured in inches per second, is defined by following expression:

v = R\cdot \omega (1)

Where:

R - Radius of the wheel, measured in inches.

\omega - Angular speed, measured in radians per second.

If we know that R = 11\,in and \omega \approx 39.584\,\frac{rad}{s}, then the linear speed, measured in miles per hour, in which Darlene is traveling is:

v = 11\,in\times \frac{1\,mi}{63360\,in} \times 39.584\,\frac{rad}{s}\times \frac{3600\,s}{h}

v \approx 24.74\,\frac{mi}{h}

The linear speed in which Darlene is traveling is 24.74 miles per hour.

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3 years ago
Multiple choice math question.
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3 years ago
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