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son4ous [18]
2 years ago
11

III Probability of an event A box is filled with 2 blue cards, 3 red cards, and 7 yellow cards. A card is chosen at random from

the box. What is the probability that it is a blue or a yellow card? in simplest form.​
Mathematics
1 answer:
Arada [10]2 years ago
5 0

Answer:

3/4

Step-by-step explanation:

You add all the cards in the boxes = 3+2+7 = 12

Probability of picking up a yellow or blue card = 2+7 =9

Hence:

9/12

simplify: 3/4

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An investment of P dollars increased to A dollars in t years. If interest was compounded continuously, find the interest rate. (
Gemiola [76]

Answer: the interest rate is 6%

Step-by-step explanation:

The formula for continuously compounded interest is

A = P x e (r x t)

Where

A represents the future value of the investment after t years.

P represents the present value or initial amount invested

r represents the interest rate

t represents the time in years for which the investment was made.

e is the mathematical constant approximated as 2.7183.

From the information given,

A = $4482

P = 1000

t = 25 years

Therefore,

4482 = 1000 x 2.7183^(r x 25)

4482/1000 = 2.7183^25r

4.482 = 2.7183^25r

Taking ln of both sides, it becomes

Ln 4.482 = 25rLn2.7183

1.5 = 25r

r = 1.5/25 = 0.06

r = 0.06 × 100 = 6%

5 0
3 years ago
Hurryyy!!!!!<br> and plz explain why
Nonamiya [84]
I8,000 I hope I could help! Now ace that assignment!
5 0
2 years ago
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Solve the system of equations by using substitution. Give your final answer in the form of an ordered pair.
Goshia [24]
5x -2y = 26. We know that x = y + 4. Substitute the value of x in and you get 5y + 20 - 2y = 26 If yous simplify this you get 3y + 20 = 26
Take away 20 from both sides and you end up with 3y = 6
Now did use both sides by 3

You end up with y = 2
Now to find x you just simplify the value of y into x = y + 4. You end up with x = 2 + 4. Now you know that y = 2 and. X = 6
8 0
3 years ago
A painting crew reported that a job is 3/5 completed. What fraction of the job remains to be done?
Lunna [17]

Answer:

2/5

Step-by-step explanation:

5/5 = full job

3/5  = done

full job - done =  remaining

5/5 job - 3/5 job

= 2/5 (remaining)

3 0
3 years ago
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Convert 3/11 to a decimal using long division
stepladder [879]
3/11 as a decimal is .27 repeating that means it has a line over the two and the seven but if you want to round it would be .3
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3 years ago
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