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Paul [167]
3 years ago
11

Evaluate cot arcsin 4/5

Mathematics
1 answer:
yan [13]3 years ago
3 0
Evaluated is 4/5
decimal form is 0.8
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A right triangle has one leg that measures 7 inches, and the second leg measures 10 inches. How long is the hypotenuse?
faltersainse [42]

Answer:

Hypotenuse≈12.21

Step-by-step explanation:

\sqrt{7^{2} +10^{2} }   ≈12.21

to calculate this you would need to find the square root of the first leg squared added to the second leg squared.

the hypotenuse is the longest side of the triangle

8 0
3 years ago
What is the tenth number in this sequence?4,10,16,22,_​
shutvik [7]

Answer:

28

Step-by-step explanation:

4+6=10,10+6=16,16+6=22,22+6=28

5 0
2 years ago
Using Cramer's Rule, what are the values of x and y in the solutio
olya-2409 [2.1K]

Answer:

x = -3, y = 1

Step-by-step explanation:

To find the value of x and y, find the determinant of original matrix, which would be 21.

Then, substitute the value of x with the solutions to the equations and find the determinant of that matrix, which is -63.

Cramer's rule says that Dx ÷ D is the value of x. So, -63 ÷ 21 = -3.

So, the x-value is -3.

You can find the determinant of the y-value in the same way, and you'll find out that y = 1.

Hope this helped! :)

8 0
3 years ago
Find the area of a segment of a circle if its arc is 120 degrees and the radius is 3 inches.
Montano1993 [528]

Answer:<u> 9.42 inches</u>, 3π in terms of pi

Step-by-step explanation:

A full circle is 360 degrees, so if the segment has an arc of 120 degrees, it is 1/3 of a regular circle.

To find the area of a circle, we use the equation A = πr^2. In this case, we will divide the equation by 3 because we are only finding 1/ of a circle. So, our equation will be A  = (πr^2)/3.

Using 3.14 for π:

A  = (πr^2)/3.

A = (π3^2)/3

A = (π9)/3

A = 3π

A = 9.42

6 0
1 year ago
Jen and Crystal sell home theater systems. Jen earns a base salary of $2400 per month, plus $100 for each system he sells. Cryst
irina [24]
2400 + 100x = 2200 + 120x
2400 - 2200 = 120x - 100x
200 = 20x
200/20 = x
10 = x <== they would have to sell 10 systems 
7 0
3 years ago
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