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ycow [4]
2 years ago
12

Decide whether the figure shown is a polygon?

Mathematics
1 answer:
dem82 [27]2 years ago
3 0
Yes I think it is because
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Find the volume of a cone with a base diameter of 8 yd and a height of 9 yd
8_murik_8 [283]

Answer:

V = 150.72 yd³

Step-by-step explanation:

To find the volume, we will need to use the formula  V = \frac{1}{3}bh

To find the base, we will need to use the volume of a circle, which is A = \pi r^{2}.

If the diameter is 8, the radius is half which is equivalent to 4. Put this into the equation:

A = π4²

A = 16π ≈ 50.24.

Now, use this in the Volume of a Pyramid formula:

V = 1/3 (50.24 ·9)

V = 150.72 yd³

4 0
3 years ago
Help please ‼️‼️‼️‼️
Andrei [34K]

Answer:

I got (y-7)=1/13(x+6) for point slope

and y=1/3x+13 for slope intercept form

double check me though I'm new at this

3 0
3 years ago
Which of the following could be the solution set to 8x² - 2x = 1?
Elanso [62]
The answer is B: (-1/4, 1/2)

7 0
3 years ago
Read 2 more answers
Solve the following system using the substitution, elimination, or graphing method for the x coordinate:
igomit [66]
Hey there!

To solve this system of equations, you will need to get one of the terms in both equations to cancel out to zero. If there isn't a term that you can cancel out, you can multiply either or both equations to make that term. There's no wrong way to do this, just as long as you make sure that you double check whether your should add or subtract. This is easier shown than explained, so refer below:

<span>  x + y = +1
5x + y = –6

</span>–1(x + y = +1)
   5x + y = –6

–x – y = –1
5x + y = –6

You can see that once we combine these equations by adding, the y term will become 0, eliminating it. This is necessary for solving the system, so make sure you do it. Also, remember to distribute the term that you need to to all of the numbers in the equation! After that, just solve for the variable that's still in the equation. 

   –x – y = –1
+ 5x + y = –6

4x + 0y = –7
4x = –7
x = –1.75

Now, just plug the value we found for x into either one of your equations in the original system as it's presented in your problem. 

x + y = 1
–1.75 + y = 1
+1.75        +1.75

y = 2.75

All that's left to do is check your point (–1.75, 2.75). If it's true for both equations, your answer is correct!

–1.75 + 2.75 = 1
<span>5(–1.75) + 2.75 = –6

</span>(–1.75, 2.75) is the solution to your system. 

Hope this helped you out! :-)
3 0
3 years ago
You roll a dice twice.<br> Find the probability of getting 3 in first throw and 5 in second throw.
Debora [2.8K]

Answer:

1/6

Step-by-step explanation:

there are 6 faces on a dice so there's a 1 in 6 chance that you would roll a 3 on your second go there is still only a 1 out of 6 chance of getting a 5 because there is still 6 numbers you could roll on.

hope this helped

8 0
2 years ago
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