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Softa [21]
4 years ago
14

There is a bag filled with 5 blue and 6 red marbles.

Mathematics
1 answer:
Lorico [155]4 years ago
5 0

There are 6+5 marbles.

Of those, 5 are red.

The chances of drawing a red marble are 5/11

Since you replace the marble you drew, the chances each draw remain 5/11

You cannot draw two red marbles without drawing a red marble on your first draw, so the odds of you making a second draw are 5/11. The odds of that also being red are 5/11… but we only care about that 5/11ths the time

5/11*5/11=25/121

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Answer:

It will go 400 kilometers in 5 hours and 800 kilometers in 10 hours

Step-by-step explanation:

80*5= 400 (in 5 hours)

80*10=800 (in 10 hours)

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4 years ago
Write the period and amplitude of each function. <br>Y=sin x​
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What is the area of the following figure? ​
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Answer:

75 mm^2

Step-by-step explanation:

use pythageron theorem to find the area of the triangle

7^2=5^2+b^2

b=4.489mm

multiply the of b by the height (5mm) to get the area. usually for the area of a triangle you divide by two, but because there is an identical triangle on the other side, it will be doubled, so dividing it by 2 is redundant.

4.489*5 = 24.49mm^2

Make a rectangle in the middle of the shape, creating a triangle on the right, like they did on the left.  That right triangle is included in the calcualtion above. the rectangle is base *height. The base is 15 - b which was 4.489. therefore the rectanlge is

5*10.1 = 50.5mm^2

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4 0
3 years ago
The equation s = 180n – 360 gives the sum of the interior angles of a polygon with n sides. Josh wants to reverse the process by
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Step-by-step explanation:

Because 69 is superior

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Ashley has a balance of $4,000 on her credit card with an annual interest rate of 13%. To pay off the $4,000 in three years, Ash
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Answer:

Ashley would have to pay an additional $608.52 in interest when the length of the loan changes from 3 years to 5 years.

Step-by-step explanation:

Although the problem gives us the initial amount of the balance ($4000) and the interest rate (13%), we are really only concerned with the total amount Ashley will make in payments in three years versus five years.  If she pays $134.78 for three years, that is 36 months, or $134.78 times 36 which is equal to $4852.08.  However, if she decides to take longer to pay it and instead pays $91.01 for five years, or 60 months, then her total amount paid would be $5460.60.  To find the difference between these two, simply subtract $5460.60-$4852.08 to get $608.52.  

8 0
3 years ago
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