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3 years ago

Express answer in exact form. Show all work for full credit.

Mathematics

1 answer:

liubo4ka [24]3 years ago

7 0

The chord length is sqrt(2) times the radius, so R = 6/sqrt(2) and R^2 = 18.
Area = (1/2)(18)(pi/2 - 1) = (9/2)(pi - 2)

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A small college needs two additional faculty members: a chemist and a statistician. There are five applicants for the chemistry

Mrac [35]

Answer:

15 ways

Step-by-step explanation:

The events "choosing one out of 5 chemists" and "choosing one out of 3 statisticians" are independent, and, therefore, the number of ways that both positions can be filled is determined by the product of the number of ways that each event can occur:

$n=3*5 =15\ ways$

The college can fill these positions in 15 different ways.

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kati45 [8]

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Vladimir [108]

1 to the second power 1

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In a survey of market, it is found that 143 persons use white toothpaste and 135 use red toothpaste. If 70 of them use both the

denpristay [2]

Answer:

let W and R represent white toothpaste and red toothpaste represently

n(W)=143

n(R)=135

n(WnR)=70

n( WuR)=?

Now,

n(WuR)=n(W)+n(R)_n(WnR)

=143+135_70

=208

that's all don't forget to write therefore.

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$\text{Find how much Zelda paid for the visit to the ER:}\\\\\text{We know that her insurance pay's 85\% of the emergency room cost,}\\\text{ so multiply 0.85 from 4089 and subtract}\\\\4089*0.85=3,475.65\\\\4089-3,475.65=613.35\\\\\text{She pays \$613.35 of the emergency room cost}\\\\\text{We're not done yet, we also know she pays a \$100 deductible,}\\\\\text{So add 100 to 613.35}\\\\613.35+100 = 713.35\\\\\boxed{\text{She pays \$713.35}}$

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3 years ago