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brilliants [131]
3 years ago
6

(40 points)

Mathematics
2 answers:
garik1379 [7]3 years ago
8 0

Answer:

{ \sec}^{2} x -  { \tan}^{2} x = 1 \\  \\  { \sin}^{2} x +  { \cos }^{2} x = 1

Nady [450]3 years ago
4 0

Answer:

sec²x - tan²x = 1

sin²x + cos²x = 1

These two among the following are correct trigonometric identities.

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3 а. A = 6 cm Calculate the diameter of the circle.​
jeyben [28]

Answer:

2.739... cm

Step-by-step explanation:

The formula for finding diameter from area is

d = 2√(a/pi)

Replace the a with 6, and the answer becomes

2.739

6 0
3 years ago
Which of these is the alternate interior angle of BEA?
Lerok [7]

Answer:

Angle EBF is the alternate interior angle of BEA.

Step-by-step explanation:

We are taking AE parallel to BF and EB as the transversal.

Hope it helps you.^_^

3 0
3 years ago
​Anzio, Inc., has two classes of shares. Class B has 10 times the voting rights as Class A. If you own 10 % of the Class A share
Neko [114]

Answer:

19.1\%

Step-by-step explanation:

Let x represent voting rights of class A.

We have been given that class B has 10 times the voting rights as Class A. So voting rights of class B would be 10x.

We have been given that you own 10% of the Class A shares, that will be equal to 10% of x as:

10\%\text{ of }x=\frac{10}{100}x=0.10x

We are also told that you own 20% of the Class B​ shares, that will be equal to 20% of 10x as:

20\%\text{ of }10x=\frac{20}{100}\cdot 10x=2x

Sum of percentage of both class voting rights would be 0.10x+2x=2.10x.

Total voting rights of both classes would be x+10x=11x.

Now we need to find 2.10x is what percent of 11x.

\text{Percentage of the total voting rights that you hold}=\frac{2.10x}{11x}\times 100\%

\text{Percentage of the total voting rights that you hold}=\frac{2.10}{11}\times 100\%

\text{Percentage of the total voting rights that you hold}=0.19090909\times 100\%

\text{Percentage of the total voting rights that you hold}=19.090909\%

\text{Percentage of the total voting rights that you hold}\approx 19.1\%

Therefore, you hold approximately 19.1\% of the total voting rights.

6 0
3 years ago
Write the equation of a circle with a center at (-1,2) and a radius of 7
Sever21 [200]

Answer:

(x+1)^2+(y-2)^2=49

Step-by-step explanation:

The standard form for the equation of a circle is (x-h)^2+(y-k)^2=r^2 where  r  is the radius, and the center is (h, k).

(h, k) = (-1, 2),  r = 7

(x-(-1))^2+(y-2)^2=7^2\\\\(x+1)^2+(y-2)^2=49

5 0
3 years ago
The _____ is the point of intersection of the medians of a triangle.
OlgaM077 [116]

Answer:

centroid

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4 0
3 years ago
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