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Salsk061 [2.6K]
3 years ago
9

If Sine (x) = two-fifths and tan(x) > 0, what is sin(2x)?

Mathematics
2 answers:
julsineya [31]3 years ago
8 0

Answer:

B

Step-by-step explanation:

edg 2021

ElenaW [278]3 years ago
4 0

B) \frac{4\sqrt{21}}{25}

Correct on Edge

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Find the surface area of the following figure. Round answers to the nearest tenths.<br> 11 m<br> 5 m
Ganezh [65]

Answer:

502.7 meters squared

Step-by-step explanation:

The equation would be 2πrh+2πr^2. If you just plug in the radius and height you will get 502.65. Round it up and you will get 502.7.

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Step-by-step explanation:

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Convey 90 cubic feet into cubic yards
nignag [31]
There are 3 feet in 1 yard, so 90/3 = x cubic yards

x = 30

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5 0
3 years ago
17+2.66=30 whats the answer please
marusya05 [52]
Answer
19.66

Step-by-step explanation

you would line the numbers up so that the 7 in 17 is above the 2 and that you line up the decimals. to do this you would do 17.00 to make it even and add that way.

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