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monitta
3 years ago
14

Explain how you can tell when a formula represents a length an area or a volume

Mathematics
2 answers:
AlekseyPX3 years ago
7 0
Do you mean how you can tell between an area formula and a volume formula? Well usually like on a reference sheet it says the shape and the letter a or v, a representing area and v representing volume. I hope this helps, if it doesn't please tell me in the comment section
MatroZZZ [7]3 years ago
7 0

<span>C = 2pi*r, the r represents a length
A = pi*r^2 the r^2 represents a product of length*length which is area
V = (4/3)pi*r^3 the r^3 represents a product of length*length*length which is volume, a sphere</span>

( this is for a circle)

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Can someone help me ?!
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Answer:

y<-2x-3

Step-by-step explanation:

Your first step is to find the equation of the line. You can see that the y-intercept is -3, therefore your b is -3. So now your formula looks like this:

y=mx-3

To find m, you substitute in an x value and its corresponding y value. When you do this you will get -2.

Now it looks like this:

y=-2x-3.

Now that you have the equation of the line, you can look at the inequality. Since the line is dotted, that means it is not included in the inequality. That mean it cannot contain an equal to. So the only options we have are < and >. Since the shaded area is to the left, which is the negative side, we can conclude that y<-2x-3 is the correct equation.

HOPE THAT THIS IS HELPFUL!

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3 years ago
Find the surface area
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Answer:

72

Step-by-step explanation:

15 + 15 + 12 + 12 + 18 gives you 72 you add all the areas

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If
statuscvo [17]

Answer:

the anser is 4 im pretty sure.

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7 0
2 years ago
Read 2 more answers
Which of the following differential equations has the slope field below
Nookie1986 [14]

The differential equation that has the given slope is: dy/dx = -xy.

<h3>How to find the differential equation that models the situation?</h3>

We have to look at the slope, given in the graph of the solution of the differential equation, and represented by dy/dx. From the graph, we have that:

  • In quadrants I and III, in which x and y have the same signal, the differential equation is decreasing, hence the slope is negative.
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The differential equation that is negative when x and y have the same signals and positive when they do not have is given by the following option:

dy/dx = -xy.

More can be learned about differential equations at brainly.com/question/14423176

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2 years ago
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Answer:B.) No-40 cents too high


Step-by-step explanation:

To find the answer you need to fin the discount. So basically I did 16x15 and got 240. Than I divided that by 100. I got 2.40.Than I subtract 2.40 from 16 and got $13.60. Therefore it would be B

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