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2 years ago

If $3,600 is invested at a rate of 2.4% that is compounded annually, how much will it be worth after 9 years?

Mathematics

2 answers:

Alex787 [66]2 years ago

7 0

Amount after 9 years = 3600( 1 + 0.024)^9 = $4456.58

Aneli [31]2 years ago

7 0

4456.58 should be ya answer love

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Bobby is testing the effectiveness of a new cough medication. There are 100 people with a cough in the study. Seventy patients r

Tresset [83]

Answer:

0.665

Step-by-step explanation:

Given: 100 people are split into two groups 70 and 30. I group is given cough syrup treatment but second group did not.

Prob for a person to be in the cough medication group = 0.70

Out of people who received medication, 34% did not have cough

Prob for a person to be in cough medication and did not have cough

= $\frac{0.70(34)}{60}=0.397$

Prob for a person to be not in cough medication and did not have cough

= $\frac{0.3(20)}{30}=0.20$

Probability for a person not to have cough

= P(M1C')+P(M2C')

where M1 = event of having medication and M2 = not having medication and C' not having cough

This is because M1 and M2 are mutually exclusive and exhaustive

SO P(C') = 0.397+0.2=0.597

Hence required prob =P(M1/C') = $\frac{0.397}{0.597}=0.665$

4 0

2 years ago

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A wall has been built with two pieces of sheetrock, a smaller one and a larger one. The length of the smaller one is stored in t

marishachu [46]

Answer:

The answer is: small+large.

Step-by-step explanation:

If the variable of the smaller sheetrock is stored in small:

var small.

And the variable of the larger sheetrock is stored in large:

var large.

The length of the wall will be the sum of the two pieces of sheetrock:

small+large

For example:

var small = 5;

var large = 10;

small+large = 5 + 10 = 15 is the length of the wall.

4 0

2 years ago

Find the missing side length of the right triangle. show work.

motikmotik

Answer:

6.32

Step-by-step explanation:

To find the side length on a right angled triangle we follow The Pythagorean Theorem:

${a}^{2} + {b}^{2} = {c}^{2}$

c being the hypothesis (longest side: the hypotenuse is always opposite the right angle)

so..

${6}^{2} + {2}^{2} = {x}^{2} \\ 36 + 4 = {x}^{2} \\ 40 = {x}^{2} \\ \sqrt{40} = \sqrt{ {x}^{2} } \\$

$6.32 = x$

8 0

1 year ago

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2) Suppose 3x + 4y = 52 and 5x + y = 30. What is the value of 8x − 2y?

Lemur [1.5K]

Try this solution, note, the suggested option is not the shortest way.

6 0

2 years ago

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Does anyone know how to finish this equation?

nikdorinn [45]

Not sure what you mean?

6 0

2 years ago