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DanielleElmas [232]

3 years ago

13

alex practice playing the piano for two and a half hours each wee if alex practice for a total of 35 hours how long did he pract

ice

1 answer:

svet-max [94.6K]3 years ago

8 0

Answer:

what is a wee?

Step-by-step explanation:

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sdas [7]

(y-3)^2 -4y +12 = 0
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y^2 -10y + 21 = 0
(y -3) (y-7) =0
y=3 ; y = 7

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3 years ago

If cosA= 8/11 what is sec A

erastovalidia [21]

cosA= 8/11

secA=1/cosA

=> secA=1/(8/11)

secA=11/8

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That looks hard.

Step-by-step explanation:

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Step-by-step explanation:

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Arada [10]

Answer:

$\frac{\sqrt{117} }{11}$

Step-by-step explanation:

sin²β + cos²β = 1

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sin β > 0 ( Q. ll )

sin β = $\frac{\sqrt{117} }{11}$

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