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IrinaVladis [17]
3 years ago
12

You get paid $82.50 for working 7 and a half hours why is your rate of pay

Mathematics
1 answer:
Colt1911 [192]3 years ago
6 0
To find the rate of pay, first divide 82.50/7.5 to equal $11/hour.

Your rate of pay is $11 per hour.

Hope this helps!!
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Find the area of the shaded portion in the circle.
Anastasy [175]
See the attached picture to better understand the problem

we know that
<span>the area of the shaded portion in the circle=area 1+area 2

step 1
find area 1
area 1=area of semi circle
area 1=pi*r</span>²/2
diameter=12 units
radius r=12/2----> 6 units

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area 1=pi*6²/2----> 56.52 units²

step 2
find the area 2

area 2=area sector CADC-area triangle ACD

in the right triangle ABC
BC=3
AC=r-----> AC=6
AB=?
applying Pythagoras Theorem
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area triangle ACD=b*h/2
b=2*3√3---> 6√3 units
h=3 units
area triangle ACD=6√3*3/2----> 9√3 units²-----> 15.59 units²

find the angle ACB
tan ∠ACB=AB/BC-----> 3√3/3---> √3
∠ACB=arc tan (√3)-----> 60°

the central angle ACD=60*2-----> 120°


area of sector CADC=(120/360)*pi*r²----> (120/360)*pi*6²---> 37.68 units²
area 2=area sector CADC-area triangle ACD
area 2=37.68-15.59----> 22.09 units²

step 3
the area of the shaded portion in the circle=area 1+area 2
the area of the shaded portion in the circle= 56.52 +22.09----> 78.61 units²

the answer is
the area of the shaded portion is 78.61 units²

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Please help I need the answer ASAP!
stepladder [879]

Answer:

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Step-by-step explanation:

because u have to find the where the equation is defined. the range is the set  of values that correspond to the domain.

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