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avanturin [10]
3 years ago
14

Solve the equation 3cos2x + cosx = -1 in the interval 0

Mathematics
1 answer:
Colt1911 [192]3 years ago
7 0
Have you solved it yet when u do drop me the answer
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Click the picture below
ad-work [718]
D. -4, 2 to make it even
3 0
3 years ago
PLZ HELP WILL VOTE BRAINIEST
Ludmilka [50]
X + 1

Combine like terms, so terms with x go together and terms without an x go together

So 2x - x = x
3 - 2 = 1
That's as simplified as it can be
7 0
3 years ago
Image down below plz and thx
gavmur [86]
(64) is the answering
7 0
3 years ago
Find the 15th term of the geometric sequence 180, 90, 45,...
denis23 [38]

Answer:

\frac{45}{4096}

Step-by-step explanation:

1) q=90/180=45/90=...=1/2;

2) the formula of the n-th term of the given sequence is:

a_n=a_1*q^{n-1};

3) according to the formula 15th term is:

a_{15}=a_1*q^{15-1}=180*\frac{1}{2} ^{14}=\frac{180}{16384} =\frac{45}{4096}

or ≈0.011.

7 0
3 years ago
Pam bought 6.5 pounds of apples for $16.19. If the equation 6.5x = 16.19
Margarita [4]
How many apples are in there
3 0
4 years ago
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