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Lady_Fox [76]
2 years ago
14

C=2πr Diameter is 10​

Mathematics
1 answer:
DIA [1.3K]2 years ago
6 0
Dont press that link is a scam or a hack something like that don’t press it
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In the diagram below, what is the equation that represents the relationship between the number of triangles and the perimeter of
Marina86 [1]

Answer:

The perimeter of the figure as a function of the number of triangles is y = 6 + 4\cdot x.

Step-by-step explanation:

According to the diagram, we get the following facts:

i) For one triangle (x=1), the total perimeter is (y=2\cdot 3 + 1\cdot 4 = 10).

ii) For two triangles (x = 2), the total perimeter is (y = 2\cdot 3 +2\cdot 4 = 14)

iii) For three triangles (x = 3), the total perimeter is (y = 2\cdot 3 +3\cdot 4 = 18)

iv) For four triangles (x = 4), the total perimeter is (y = 2\cdot 3 +4\cdot 4 = 22)

From these information we conclude that the equation that determines the perimeter of the figure as a function of the number of triangles is y = 6 + 4\cdot x.

6 0
2 years ago
Find the exact values of cos 3 pi/4 radians sin 3 pi/4 radians.
Liula [17]
If you consult the unit circle, you will see that:

cos(\frac{3\pi}{4}) = -\frac{\sqrt{2}}{2}\\\\sin(\frac{3\pi}{4}) = \frac{\sqrt{2}}{2}

3pi/4 in degrees is 3pi/4 * 180/pi = 3/4 * 180 = 135 degrees. And please refer to the attachment to how you can obtain the values above.

Now, lets multiply it together.

-\frac{\sqrt{2}}{2} \cdot \frac{\sqrt{2}}{2} =\\\\-\frac{2}{4} =\\\\ \boxed{\bf{-\frac{1}{2}}}

So, <span>cos(3pi/4)sin(3pi/4) = -1/2</span>

7 0
3 years ago
Alana biked 45 miles in 3 hours. How many miles did she bike per hour?
krok68 [10]
15 miles per hour.
Divide the number of miles by the number of hours to get the miles per hour.
5 0
3 years ago
Please help ASAP!! I'm really struggling at this problem. Will give 10 points &amp; to the brainliest!
Jlenok [28]

Answer: B

Step-by-step explanation:

To find the result of the dilation, multiply each x and y coordinate by the scale factor, which in this case, is 1.5. I started out with the coordinate P, which had an original coordinate of (-2,1). In this case, I multiplied -2 by 1.5, and 1 by 1.5 to get (-3, 1.5). Since this is multiple choice, the only one with P as (-3, 1.5) is B, so we don't have to check the others.

8 0
2 years ago
Read 2 more answers
HOS
lianna [129]

Answer:

B

Step-by-step explanation:

5 0
3 years ago
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