2 years ago

Answers: A, B, C, D please answer right

Mathematics

1 answer:

soldier1979 [14.2K]2 years ago

3 0

Answer:

Triangle C

Step-by-step explanation:

Because triangle C is in the same orientation, meaning it was not flipped, it is a simple translation.

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I have no clue,

Step-by-step explanation:

I just wanted the points

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2 years ago

Tan x= sin x/cos X. Therefore tan (90-A) =

Sindrei [870]

Answer:

tan (90° - A) = cot A

Step-by-step explanation:

tan (90° - A) = sin (90° - A) / cos (90° - A) = cos A / sin A = cot A

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3 years ago

A basket contains 3 apples and 7 oranges. A fruit is drawn and put back into the basket. This process is repeated 3 times. What

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Answer:

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3 years ago

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2 years ago

What are the first and last terms of this geometric series

11Alexandr11 [23.1K]

ANSWER

E. 10 and 640

EXPLANATION

The given series is

$\sum_{i=1}^45 \times 2^{2i-1}$

To find the first term of the series we substitute i=1 to get,

$a_1 = 5 \times {2}^{2 \times 1 - 1}$

$a_1 = 5 \times {2}^{ 1} = 10$

For the last term of the series, we substitute i=4 to obtain,

$a_4 = 5 \times {2}^{2 \times 4 - 1}$

$a_4 = 5 \times {2}^{7}$

This implies that,

$a_4 = 5 \times 128 = 640$

Therefore the correct answer is E

7 0

3 years ago