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Dovator [93]
3 years ago
7

The cost of health insurance is $1,200 per year. The cost of an operation for a dramatic injury is $500,000. The chances of some

one needing such an operation are 47.3% over a twenty year period. From a purely financial point of view, are you better off taking out the insurance or not? Choose the best answer.
Question options: No. The insurance company must make a profit.

Yes. The cost of the insurance is less than the probability cost of the operation

No. The probality of needing the operation is less than 50%.

Yes. Buying insurance is always a good idea.
Mathematics
1 answer:
SIZIF [17.4K]3 years ago
5 0

Answer:

yes. The cost of the insurance is less than the probability cost of the operation

Step-by-step explanation:

yes. The cost of the insurance is less than the probability cost of the operation

The cost of health insurance = $1200

Cost of dramatic injury operation= $500,000

chances of need of operation= 47.3% over a 20 years period

the amount of pay insurance after 20 years= 20\times 1200= 240,00

probable  of cost operation= 0.473*500,00= $236,500

clearly the cost of insurance is less than the probable  cost of operation.

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Does anyone know this? <br> Will mark brainliest !!!!
stich3 [128]

Answer:

x=4

y=4√5

Step-by-step explanation:

Set up 3 right triangles and mark their respective angles. The largest will have sides (in typical a,b,c[hypotenuse] order) y, z, and 10. The middle 8, x, and y. The smallest x,  2, and z.

Then since they are all similar triangles, using the midde and smaller triangles, set up the proportionin which both A sides when divided are equal to the B sides.

So 8/x = x/2

Cross multiply and get 16=x^2.

The  square root of 16 is 4, so x is 4.

Then using the larger and middle triangles, do the same for the A and C sides.

So y/8 = 10/y.

Cross multiply and get 80=y^2.

Find the square root of it, which since it doesn't have a perfect square, you use a calculator or the whatever theorem and get √4*4*5 or simply 4√5.

So x = 4 and y = 4√5

5 0
3 years ago
Use technology or a z-score table to answer the question. The weights of members of a baseball league are normally distributed w
kirza4 [7]

Answer:

  100

Step-by-step explanation:

The attached "technology" shows that about 0.8327 of the league will weigh 165 pounds or more. That number is ..

  0.8327 × 120 members = 99.92 members ≈ 100 members

About 100 members of the league will weigh 165 pounds or more.

7 0
3 years ago
Solve the equation.<br><br> –3x + 1 + 10x = x + 4
SIZIF [17.4K]

First, simplify. Combine like terms

10x - 3x = 7x

7x + 1 = x + 4

Isolate the x. Subtract x from both sides, and 1 from both sides

7x (-x) + 1 (-1) = x (-x) + 4 (-1)

7x - x = 4 - 1

Simplify

6x = 3

Isolate the x. Divide 6 from both sides

6x/6 = 3/6

x = 1/2

1/2, or 0.5 is your answer for x.

hope this helps

4 0
3 years ago
Read 2 more answers
Four triangles are shown
Margarita [4]

Answer:

H

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Correct answer.
skad [1K]

Answer:

18 inches

Step-by-step explanation:

Given: The heights of both cylinders are 48 inches and 32 inches. Diameter of the larger cylinder is 12 inches

To find: diameter of the larger cylinder

Solution:

Height of the larger cylinder (H) = 48 inches

Height of the smaller cylinder (h) = 32 inches

Diameter of the smaller cylinder (d) = 12 inches

Radius of the smaller cylinder (r) = d/2 =12/ 2= 6 inches

As two cylinders are similar, their heights and radii are proportional.

\frac{r}{h}=\frac{R}{H}\\\frac{6}{32}=\frac{R}{48}\\R=\frac{6}{32}\times 48=9\,\,inches

Diameter of the larger cylinder = 2R = 2(9) = 18 inches

4 0
3 years ago
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