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Tomtit [17]
3 years ago
9

Which could be the side length of a 30°-60°-90° triangle?

Mathematics
1 answer:
pshichka [43]3 years ago
5 0
I believe the answer is C
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Find all values of x in the interval [0, 2π] that satisfy the equation. <br><br>6sin²(x) = 3
34kurt

Answer:

The solutions are π/4, 3π/4,5π/4,7π/4

Step-by-step explanation:

The given equation is

6sin²(x) = 3

Divide by 6 to get:

{ \sin}^{2} (x) =  \frac{1}{2}

This implies that;

\sin(x) = \pm  \frac{ \sqrt{2} }{2}

If

\sin(x) = \frac{ \sqrt{2} }{2}

x =  \frac{\pi}{4}

in the first quadrant

x =  \frac{3\pi}{4}

in the second quadrant.

If

\sin(x) = -  \frac{ \sqrt{2} }{2}

x =  \frac{5\pi}{4}

in the third quadrant

x =  \frac{7\pi}{4}

5 0
3 years ago
I just need a little help ​
Anvisha [2.4K]

Answer:

its the second answer!

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
A circle is centered at the point (5,-4) And passes through the point (-3,2). What is the equation of the circle?
Natalka [10]
The equation of a circle is:

(x-h)2 + (y-k)2 = r2

where (h,k) is the location of the center and r is the radius. So we need to find h, k, and r. The center is given as (5,-4) so h = 5 and k = -4:

(x-5)2 + (y-(-4))2 = r2
(x-5)2 + (y+4)2 = r2

So we need to find r. Use the distance formula to find the distance between (5,-4) and (-3,2):

r = [(5-(-3))2+((-4)-2)2]1/2
r = [82 + (-6)2]1/2
r = [64 + 36]1/2
r = 1001/2

r= 10

The final equation is:

(x-5)2 + (y+4)2 = 102
8 0
3 years ago
Mary has $40\%$ fewer marbles than Jolie. If they combine all their marbles in a single bag, what percent of the marbles in the
Gwar [14]
Google the question to find the answer
6 0
3 years ago
Can someone help me answer the above question paper​
Oxana [17]

Answer:

need teachers help with this one

Step-by-step explanation:

7 0
3 years ago
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