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Gekata [30.6K]
3 years ago
6

What is the value of an of the geometric series? - n=1

Mathematics
1 answer:
scZoUnD [109]3 years ago
3 0
I think m=2... i think..still learning this subject
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Please help!
natulia [17]

Answer: Option D.

Step-by-step explanation:

To solve this exercise you must keep on mind the Angle at the Center Theorem.

According to the  Angle at the Center Theorem, an inscribed angle is half of the central angle.

Therefore, given in the inscribed angle m∠BAC=35°, you can calculate the central angle m∠EFD as following:

BAC=\frac{EFD}{2}

- Solve for EFD.

EFD=2*BAC

- When you substitute values. you obtain:

EFD=2(35\°)\\EFD=70\°

7 0
3 years ago
Read 2 more answers
What if the sample size used was some unspecified value larger than 30. Describe how this change in sample size would have affec
arlik [135]

Answer:

Option D is correct.

Decreases.

6 0
3 years ago
How do i solve this equation? -5x =-40
LuckyWell [14K]
You solve it by dividing -40 over -5 then you will get x=8
5 0
3 years ago
Read 2 more answers
Which of the following expressions are equivalent to 58 ?
Westkost [7]

Answer:

(5^4)^2

Step-by-step explanation:

3 0
2 years ago
Find the value of xxx in the triangle shown below. Choose 1 answer: Choose 1 answer: (Choice A) A x=\sqrt{21}x= 21 ​ x, equals,
Keith_Richards [23]

Answer:

x = 15.8114

Step-by-step explanation:

The complete question is:

"The problem is asking for value of x. Two right triangles side by side, the altitude is 9. The bottom of whole triangle is 25. One side is 15 and the other side is x. What is the value of x?"

Solution:-

- Develop a diagram for the information given " Two right triangles side by side" The altitude i.e height (common to both triangle ) = 9. The total base length of both triangles is = 25. One side is 15 and other side is x.

                                x

                             x x  x

                           x   x    x

                         x     x       x  

                       x       x          x       x = ?

                     x         x             x

           15     x          x                x

                 x             x   9              x

               x               x                      x

             x                 x                         x

           x                   x                            x

         x                     x                               x

       x                       x                                  x

  B  x x x x x x x x x x x x x x x x x x x x x x x  C

                  y           D                  25-y

- We will first determine the value of "y" using the left hand side triangle and apply pythagorean theorem. Where, H = 15 , P = 9 , B = y.

                                H^2 = P^2 + B^2

                                15^2 = 9^2 + y^2

                                y = √(225 - 81 )

                                y = 12

- Now we can use the value of y and apply pythagorean theorem on right hand side triangle with sides. H = x , P = 9 , B = 25-y = 25 - 12 = 13.

                               H^2 = P^2 + B^2

                               x^2 = 9^2 + 13^2

                               x = √( 81 + 169 )

                               x = 15.8114

3 0
3 years ago
Read 2 more answers
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