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ss7ja [257]
3 years ago
7

Please help me answer this question.

Mathematics
2 answers:
Wittaler [7]3 years ago
7 0

Answer:

64

I might be wrong though

Fiesta28 [93]3 years ago
4 0

Answer:

The numbers are 21, 5, 5, 5.

21+5+5+5=36

21*5*5*5=2625

Step-by-step explanation:

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Find all solutions of cos x -sqrt = 0.
valina [46]

Answer:

Option A

Step-by-step explanation:

Good question!

We assume that x lies on the interval 0<=x<=360. We can therefore identify the solution in degrees:

\cos \left(x\right)-\sqrt{1-3\cos ^2\left(x\right)}=0,\:0\le \:x\le \:360^{\circ \:}

Now we can solve by substitution, and when simplified we get cos(x) = 1/2.

Take the inverse: x = cos^-1(1/2) = π/3 <--- angle in first quadrant

                             x = (2π-π/3) = 5π/3 <----- angle in fourth quadrant

As you know π/3 in degrees is 60, and 5π/3 = 360-60 = 300

Therefore your solution is the first option, x = 60+n360 and x = 300 + n360

6 0
2 years ago
ISF YOU GET IT RIGHT I WILL NAME YOU BRAINLIST.
aivan3 [116]

Answer:

C

Step-by-step explanation:

You just plug in the # in the sequence you wanna find,

n=1

60((1)/(2))^(1-1) = 60  (1st term)

--

n=2

60((1)/(2))^(2-1) = 30 (2nd term)

--

n=3

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n=4

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4 0
2 years ago
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