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Pani-rosa [81]
3 years ago
12

The sum of 2/3m and 1/5

Mathematics
1 answer:
riadik2000 [5.3K]3 years ago
7 0
13/15


Hope this helps
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Round to the nearest tenth 6.2x+1.2=8.9
Anuta_ua [19.1K]

Answer:

x = 1.2...

Step-by-step explanation:

Start with the given equation and isolate the variable.

6.2x + 1.2 = 8.9

Subtract 1.2 from each side:

6.2x = 7.7

Divide each side by 6.2:

x = 1.2...

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3 years ago
Rylie paid $12 for two cans of racquetballs as shown in the tape diagram, where the green bars represent the amount she spent, a
aleksklad [387]

Answer:

your answer is 18$

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3 years ago
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Dmitry_Shevchenko [17]
I think it’s A sorry if it’s wrong!
6 0
2 years ago
The quotient of 2 and 9
Nat2105 [25]
0.222222222222222222
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3 years ago
(1+cos2x)/(1-cos2x) = cot^2x
sesenic [268]

We will turn the left side into the right side.

\dfrac{1 + \cos 2x}{1 - \cos2x} = \cot^2 x

Use the identity:

\cos 2x = \cos^2 x - \sin^2 x

\dfrac{1 + \cos^2 x - \sin^2 x}{1 - ( \cos^2 x - \sin^2 x)} = \cot^2 x

\dfrac{1 - \sin^2 x + \cos^2 x }{1 - \cos^2 x + \sin^2 x} = \cot^2 x

Now use the identity

\sin^2 x + \cos^2 x = 1 solved for sin^2 x and for cos^2 x.

\dfrac{\cos^2 x + \cos^2 x }{\sin^2 x + \sin^2 x} = \cot^2 x

\dfrac{2\cos^2 x}{2\sin^2 x} = \cot^2 x

\dfrac{\cos^2 x}{\sin^2 x} = \cot^2 x

\cot^2 x = \cot^2 x


8 0
3 years ago
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