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JulijaS [17]
3 years ago
9

Oliver earns $23.80 an hour. He earns normal rates during week days and time-and-a-

Mathematics
1 answer:
Oxana [17]3 years ago
8 0
So first we calculate the weekly hours:
23.80 x 34 = 809.20

Then we calculate the time and half:
23.80 x 6 x 1.5 = 214.2

Then we total then together:
214.2 + 809.20 = 1023.40
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a ferrus wheel has a circumference of 89.49ft what is the approximately radius of the Ferris wheel? use 3.14 for pi
inysia [295]
\sf C=2\pi r

Plug in what we know:

\sf 89.49=2(3.14)r

Simplify:

\sf 89.49=6.28r

Divide 6.28 to both sides:

\sf r=\boxed{\sf 14.25\? ft}

So the radius of the ferris wheel is 14.25 feet.
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3 years ago
Determine which trig function can be used to solve for x. Then, solve for x, 48° 17 Make sure your calculator is operating in "D
Mrrafil [7]

Answer:

x=18.9

Step-by-step explanation:

tan48=x/17

17tan(48)=x

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3 years ago
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Answer: i believe its C


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Use implicit differentiation to find the points where the circle defined by x^2+y^2−6x−4y=-4 has horizontal and vertical tangent
Inga [223]
Implicit differentiation: 2x+2ydy/dx-6-4dy/dx=0. When dy/dx=0, we have a horizontal tangent.
So 2x-6=0 and x=3. To find y we solve 9+y²-18-4y=-4, y²-4y-5=0=(y-5)(y+1), so the points are (3,5) and (3,-1).
2xdx/dy+2y-6dx/dy-4=0. When dx/dy=0 we have a vertical tangent, so 2y=4, y=2, and x²+4-6x-8=-4, x²-6x=0, x=0 and 6.
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4 years ago
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