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il63 [147K]
2 years ago
11

Prove that Cos4x=8Cosx -8Cosx​

Mathematics
1 answer:
harkovskaia [24]2 years ago
8 0
Please see the image attached

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How do I solve this problem?
lidiya [134]
B = A(1+\frac{i}{n})^{nt}
A = 47900
i = 5% = .05
n = number of compounding periods in a year (1,2,12,365)
t = number of years = 5
4 0
3 years ago
Joaquin wrote this equation for the area of a parallelogram.
Sindrei [870]

divide 417.12 by 23.7, and get your answer: <u>17.6</u>
3 0
3 years ago
Pleaseeee helpppp !!!!!!! Will mark Brianliest !!!!!!!!!!!!
Ksivusya [100]
The answer is this




FG=69

5 0
3 years ago
If there are 24 men and 28 women on an airplane, what is the ratio of women to men in simplest form?
NISA [10]

Answer:   c

Step-by-step explanation:

men- 24

women- 28

for every 6 men there are 7 women on the plane bc 28/24= 1.16

1.16 x 6=7 women

7 0
3 years ago
2ab( 4a2 + 3ab - 7b2)​
Kisachek [45]

Answer:

6ab + -3a2

Step-by-step explanation:

2ab(4a2 + 3ab - 7b2)     original problem

2ab(3ab + 4a2 - 7b2)     commutative property

2ab(3ab + -3a2)     subtract

4 - 7 = -3

6ab + - 3a2              mulitiply

2ab x 3ab = 6ab

and that is you final expression, you can't add the last 2 numbers cause they are not like terms.

5 0
3 years ago
Read 2 more answers
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