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pav-90 [236]
3 years ago
10

Find the length of the third side. If necessary, round to the nearest tenth. 17 25

Mathematics
2 answers:
Ilya [14]3 years ago
6 0
Pythagorean theorem
C^2 = A^2 + B^2.

We already have the hypotenuse, C, because it is across from the 90 degree angle.
25^2 - 17^2 = B^2

336 = B^2

B = 18.3, and to the nearest tenth it would be 18.
The other commenter did not realize that we already had a hypotenuse.
Flura [38]3 years ago
5 0

Answer:

the real answer is 48 but if you round it to the nearest tenth it's 50

Step-by-step explanation: I hope my answer helps, if it does help can I get the brainliest answer, thanks.

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Biologists have observed that the chirping rate of crickets of a certain species is related to temperature, and the relationship
sveticcg [70]
(a) Find the linear equation that relates the temperature t and the number of chirps per minute n.
If the equation is linear, then the equation should have the form of t = mn + b

m = (80 - 70) / (168 - 120) = 5/24

t = 5/24n + b

70 = 5/24(120) + b
b = 45

t = 5/24 n + 45

<span>(b) If the crickets are chirping at 138 chirps per minute, estimate the temperature. (Round your answer to the nearest degree.)
</span><span>t = 5/24 n + 45
</span><span>t = 5/24 (138) + 45 = 74 </span>°F
3 0
3 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>

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3 years ago
Is it (sometimes true/never true) that all three altitudes of a triangle fall outside the triangle?
aniked [119]

never true is always 180

5 0
3 years ago
Find x, to the nearest tenth of a centimetre
kondor19780726 [428]

Answer:

In the picture above

Step-by-step explanation:

I think it's a clear explanation.

5 0
3 years ago
What is equivalent to 6/7
REY [17]
The answer is 12/14 just times 2 to it i think
6 0
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Read 2 more answers
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