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Liula [17]
3 years ago
11

Voltage (V), varies directly with resistance (R) in a circuit. If the voltage is 150 volts when the resistance is 480 ohms, find

the voltage when the resistance is 200 ohms.
Mathematics
1 answer:
aliina [53]3 years ago
3 0
62.5 v I think but I’m not sure

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PLEASE HELP ME ON THIS ONE
ElenaW [278]

Answer:

8m

Step-by-step explanation:

Find the volume of the sphere first :

V sphere = \frac{4}{3} π 6^3 = 902.51

Then use the volume of the sphere to find the height :

Formula = V/πr^{2}

902.51/π(6)^2 = 8.004 (rounded is 8)

hope this helped :)

7 0
2 years ago
Read 2 more answers
Two motorcyclist A and B, started simultaneously moving towards each other. From the graph given below, find the distance each o
otez555 [7]

Answer:

Distance Covered by Motorcyclist A = 400 kilometers

Distance Covered by Motorcyclist B = 300 Kilometers

Time before they met = 5 hours

Average Speed of Motorcycle A = 80 kilometers per hour

Average Speed of Motorcycle B = 60 kilometers per hour

Step-by-step explanation:

At point t = 5 and d = 300 is their <em>meeting point</em>.

Distance Covered by Motorcyclist A = from 700 to 300 (meeting point), that is 700 - 300 = 400 kilometers

Distance Covered by Motorcyclist B = from 0 to 300 (meeting point), that is 300 - 0 = 300 kilometers

The time before they met went for 5 hours as shown in graph.

Average speed of each motorcycle is given by the slope of the line. We can figure this out easily. We have to find distance traveled per hour.

Average Speed of Motorcycle A = it went 400 km in 5 hours, so 400/5 = 80 kilometers per hour

Average Speed of Motorcycle B = it went 300 km in 5 hours, so 300/5 = 60 kilometers per hour

4 0
3 years ago
Use slope formula to find the missing coordinate.<br><br> (r, 1) and (5, -7) Slope = 8/3
Lena [83]

Answer:

r=8

Step-by-step explanation:

The formula for slope is

m = (y2-y1)/ (x2-x1)

Substitute in what we know.

8/3 = (-7-1)/(5-r)

Simplify

8/3 = -8/(5-r)

We can use cross products to help us solve.

8 * (5-r) = 3 * (-8)

divide each side by 8

8/8 * (5-r) = 3 * (-8)/8

5-r = -3

Subtract 5 from each side

5-r-5 = -3-5

-r = -8

Multiply by -1

r = 8

3 0
3 years ago
Which of the following is equal to the expression listed below?
Bezzdna [24]

Answer:

first one is correct................

5 0
3 years ago
Read 2 more answers
The following data points represent the length of each song Roy the Rooster sang each morning since he
Lorico [155]

Answer:

Step-by-step explanation:

So put the 0-3 to the y2, 3-6 to the y4 and 6-9 to the y2

4 0
3 years ago
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