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Mashcka [7]
3 years ago
12

Use a half-angle identity to find the exact value of sin 3pi/8

Mathematics
2 answers:
Alenkinab [10]3 years ago
7 0

Answer:

The answer is A

Step-by-step explanation:

svet-max [94.6K]3 years ago
6 0

The above answer is correct! The correct response is A.

Just got it right on edge 2020, hope this helps!! Good luck, and have a great day! :)

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The number of minutes Magdeline spent talking on her cell phone each month for the past five months were 494, 690, 502, 478, and
snow_lady [41]

Answer:

542 minutes

Step-by-step explanation:

currently our mean is =530

i got that by adding all the number out which equal too =2,650

and divide it by how many number there are which is 5

2,650/5=530

After some trial and error i found it

so you add 494+690+502+478+486+542=3,192

3,192/6=532

and that was our goal

so the 6th month she talked on the phone for 542 minutes

pls mark me brainliest

7 0
3 years ago
Find the sum of the first 5 terms of the infinite series: 8 + 18 + 28 +
Anna007 [38]

Answer:

8 + 18+ 28+ 38+ 48= 140

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Please help out thanks :) ​
Mkey [24]
The correct answer is D The last one


Step by step is below

Hopefully this help you


Have a great day :)

3 0
3 years ago
Help please I need someone to answer this
Assoli18 [71]

Answer:

Step-by-step explanation:

1). 8(5)-8+10

40-8+10

32+10

42, so answer is C

2). 9/5(42)+32

9(8.4)+32

75.6+32

107.6°F, so answer is D

8 0
3 years ago
Read 2 more answers
Does anyone know how to do this?
Elanso [62]

~Shoto Todoroki here~

Answer:

( n − 2 ) × 180

Step-by-step explanation:

The formula for calculating the sum of interior angles is ( n − 2 ) × 180 ∘ where is the number of sides. All the interior angles in a regular polygon are equal. The formula for calculating the size of an interior angle is: interior angle of a polygon = sum of interior angles ÷ number of sides.

hope this helps :))

5 0
2 years ago
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