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aleksklad [387]
3 years ago
7

Which of the following best explains why cos2pi/3 is not equal to cos5pi/3?

Mathematics
2 answers:
const2013 [10]3 years ago
6 0

Answer: the angles do not have the same reference angle.

Step-by-step explanation:

NNADVOKAT [17]3 years ago
3 0

Answer:

it is B) Cosine is negative in the second quadrant and positive in the fourth quadrant.

Step-by-step explanation:

just took the test on edg:)

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Finding the sums
Sav [38]

The sum of the first 7 terms of the geometric series is 15.180

<h3>Sum of geometric series</h3>

The formula for calculating the sum of geometric series is expressed according to the formula. below;

GM = a(1-r^n)/1-r

where

r is the common ratio

n is the number of terms

a is the first term

Given the following parameters from the sequence

a = 1/36

r = -3

n = 7

Substitute

S = (1/36)(1-(-3)^7)/1+3
S = 1/36(1-2187)/4
S = 15.180

Hence the sum of the first 7 terms of the geometric series is 15.180

Learn more on sum of geometric series here: brainly.com/question/24221513

#SPJ1

7 0
1 year ago
How to show your work for 9 divided by 2.43
gizmo_the_mogwai [7]
Just do normal division, just like ignore the decimal point. for a moment once you got your answer bring back the decimal point back up to your answer. You would get 0.27 as your answer.
3 0
3 years ago
Read 2 more answers
What is the product of 2x- 1 and x+4
mel-nik [20]

(2x - 1) \times (x + 4)
3 {x}^{2}  + 8x - x - 4
= 3 {x}^{2}  + 7x - 4
6 0
3 years ago
Please help!!!! The question is in the picture
Paha777 [63]

Answer:

Options 2 and 4.

Step-by-step explanation:

Line MK is the perpendicular bisector of line LN, because it cuts through its midpoint.

Line ML is equal to line MN because it is a kite, and a kite has two adjacent sides equal.

3 0
3 years ago
The first time a census was taken in Esinville, the population was 12,621. Each year after that, the population was about 6% hig
Sedbober [7]
Step-by-step
Population was 12.621 when it was measured

Next year it rose by 6%, so add that 6% to 100% and multiply with population measured

12.621 × (100%+6%) = 12.621 × 106% = 13.379,24

Since a man cant be 0,24, we count that as +1

13.379,24 = 13.379 + 1 = 13.380

That was for a year after measurement, now let's calculate for another year
Now, add those 6% to a new population number

13.380 × (100%+6%) = 13.380 × 106% = 14.182,8

since 0,8 isn't a man, instead we add again +1

14.182,8 = 14.182 + 1 = 14.183

now let's do it for another year after last, by adding those 6% to a newest population number

14.183 × (100%+6%) = 14.183 × 106% = 15.033,98

round it again to +1, since 0.98 isn't a man

15.033,98 = 15.033 + 1 = 15.034

that is it, now graph is in the picture.

8 0
2 years ago
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