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aghalyaa
18.07.2020 •
Mathematics
The equation h = 7 sine (StartFraction pi Over 21 EndFraction t) + 28 can be used to model the height, h, in feet of the end of one blade of a windmill turning on an axis above the ground as a function of time, t, in seconds. How long is the blade? Assume that the blade is pointing to the right, parallel to the ground, at t = 0, and that the windmill turns counterclockwise at a constant rate. 7 feet 14 feet 21 feet 28 feet
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Ответ:
y=-23
Let's solve your equation step-by-step:
6(y+6)=3y−33
Step 1: Simplify both sides of the equation
6(y+6)=3y−33
(6)(y)+(6)(6)=3y+−33(Distribute)
6y+36=3y+−33
6y+36=3y−33
Step 2: Subtract 3y from both sides
6y+36−3y=3y−33−3y
3y+36=−33
Step 3: Subtract 36 from both sides
3y+36−36=−33−36
3y=−69
Step 4: Divide both sides by 3.
3y/3=−69/3
y=−23
y=−23