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avanturin [10]
3 years ago
9

A Ferris wheel has a diameter of 140 ft. There are 40 cars for riders, and they are placed at even intervals around the Ferris w

heel. What is the best approximation of how many feet apart the cars are placed?
Mathematics
1 answer:
WITCHER [35]3 years ago
4 0
20ft apart have i great day

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What is the equation of the line that is parallel to the line 5x + 2y = 12 and passes through the point (−2, 4)?
GrogVix [38]
First find the slope of the given line like this:
5x + 2y = 12\\2y=-5x+12\\y=\frac{-5}{2}x+6
If two lines are parallel, then they have the same slope, so the equation we are looking for is in the form:
y=\frac{-5}{2}x+a and we have to find b using the given point like this:
Substitute x = -2 and y=4 in the above equation like this and solve for a:
4=\frac{-5}{2}(-2)+a 
4=5+a 
a=4-5=-1 
The equation of the line is then the following:
y=\frac{-5}{2}x-1.
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The slope of a line is 2. The y-intercept of the line is –6. Which statements accurately describe how to graph the function?
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Answer:A

Step-by-step explanation:

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Help someone that’s good at math need your help 15 points !
mylen [45]

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Step-by-step explanation:

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What is the approximate volume of a cone with a radius of 15 cm and a height of 4 cm? Round your answer to the nearest hundredth
vichka [17]

Answer:

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Step-by-step explanation:

Given that the radius of a cone is 15cm and its height is 4cm

That is r=15cm and h=4cm

To find the volume of a cone :

volume of a cone=\frac{\pi r^2h}{3} cubic units

Now substitute the values in the formula we get

volume of a cone=\frac{(\frac{22}{7}) (15)^2(4)}{3}  

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Jamal pays an initial fee of $50 and $4.00 for each audio book he downloads?
olganol [36]

Answer:

4x + 50 = y

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Since it is $4 for each audiobook, this means that it is the slope.

Since Jamal started with an initial fee, this makes it the y-intercept.

So the equation is $4 per audiobook = 4x, initial fee of $50 which makes the equation: 4x + 50 = y

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<u>Slope</u> is the rate at which a value is increasing, in this case, for each audiobook bought, $4 is spent

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