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chubhunter [2.5K]
3 years ago
13

A line passes through (-1,-5) and is perpendicular to the graph of y = -2x + 5. What equation represents the line in

Mathematics
1 answer:
amid [387]3 years ago
8 0

y=(1/2)x -9/2

Step-by-step explanation:

m1.m2= -1 -2.m2= -1 m2 = 1/2

y+5=1/2(x+1)

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Draw 8 lines that are between 1 inch and 3 inches long. Measure each line to the nearest fourth inch, and make a line plot
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(Lots of points)PLEASE HELP ME Due today at 8:59 in Texas
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Answer:

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Step-by-step explanation:

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5 0
3 years ago
The radius of the base of a cylinder is decreasing at a rate of 121212 kilometers per second. The height of the cylinder is fixe
WARRIOR [948]

Answer:

7536 km^3/sec

Step-by-step explanation:

Given that:

Rate of decreasing of radius = 12 km/sec

Height of cylinder is fixed at = 2.5 km

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To find:

The rate of change of Volume of the cylinder?

Solution:

First of all, let us have a look at the formula for volume of a cylinder.

Volume = \pi r^2h

Where r is the radius and

h is the height of cylinder.

As per question statement:

r = 40 km (variable)

h = 2.5 (constant)

\dfrac{dV}{dt} = \dfrac{d}{dt}\pi r^2h

As \pi, h are constant:

\dfrac{dV}{dt} = \pi h\dfrac{d}{dt} r^2\\\Rightarrow \dfrac{dV}{dt} = \pi h\times 2 r\dfrac{dr}{dt} \\$Putting the values:$\\\Rigghtarrow\dfrac{dV}{dt} = 3.14 \times 2.5\times 2 \times 40\times 12 \\\Rigghtarrow\dfrac{dV}{dt} = 7536\ km^3/sec

4 0
3 years ago
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