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erik [133]
3 years ago
12

20) Laila borrowed $9000 from a bank that

Mathematics
1 answer:
iris [78.8K]3 years ago
3 0

Answer:

the answer i think is $259200

Step-by-step explanation:

if the bank charges 7.2% every year, and in this case it's 4 years, then that would mean it would be 28.8%(7.2 x 4), which means the answer would be 9000 x 28.8 which is 259200.

Hope it helped

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The area of a square playground (in square feet) can be represented by x2 - 30x + 225. How many feet is the perimeter of the pla
likoan [24]

Answer:

40

Step-by-step explanation:

Substitute 25 for x

{25}^{2}  - 30(25) + 225 = 100

100 is the area of the square so that means

10 is the side length of each side of the square.

Multiply 4 by 10 to get the perimeter.

4 \times 10 = 40

8 0
2 years ago
For this distance-time graph, what is the velocity of the car?
Setler79 [48]

Answer:


Vel. of the car = 3.33 meter per second.


Explanation:


In given graph, y axis represent the distance traveled by the car and x axis represent the time taken by car.


At time t = 30 seconds , distance traveled by the car is 100 meter


We know that,


Speed = \frac{distance}{time}


speed = \frac{100}{30}


speed  = 3.33 meter per second

That's the final answer.

I hope it wil help you.

5 0
3 years ago
The set (0, 1) is _____.
solong [7]
The set (0,1) is not countable
4 0
3 years ago
A pharmacist receives a shipment of 21 bottles of a drug and has three of the bottles tested. If five of the 21 bottles are cont
blagie [28]

Answer:

The probability is 0.8722

Step-by-step explanation:

There are 21 bottles

5 of them are contaminated.

there are 21 - 5 = 16 non-contaminated bottles.

So, if we grab a bottle at random, the probability that this bottle is contaminated will be equal to the quotient between the number of contaminated bottles and the total number of bottles, this is:

p = 5/21

Now we want to find the probability that, for 3 tested bottles, that less than two (0 or 1 ) are contaminated.

Let's see each case on its own.

0 bottles:

The probability of getting a non-contaminated bottle in the first try is equal to the quotient between the number of non-contaminated bottles and the total number of bottles, this is:

p₁ = 16/21

For the second bottle is the same, but because one non-contaminated bottle was drawn before, now there are 15 non-contaminated bottles and 20 bottles in total, so now the probability is:

p₂ = 15/20

and similarly, for the third bottle the probability is:

p₃ = 14/19

The joint probability is the product of the individual probabilities, we get:

P = p₁*p₂*p₃ = (16/21)*(15/20)*(14/19) = 0.4211

Now the case that one bottle is contaminated.

Let's assume that the first one is contaminated.

The probability of getting a contaminated bottle in the first draw is equal to the quotient between the number of contaminated bottles and the total number of bottles, so:

p₁ = 5/21

For the second bottle, we want a non-contaminated one, there are 16 non-contaminated bottles and 20 bottles left, so here the probability is:

p₂ = 16/20

and for the third bottle we have the probability:

p₃ = 15/19

The joint probability is:

p = p₁*p₂*p₃ = (5/21)*(16/20)*(15/19)

Also notice that we only looked at the case where the first bottle is contaminated, we also have the case where the second one is contaminated and the case where the third one is  contaminated, so there are 3 permutations, then the probability of having one contaminated bottle is:

Q = 3*p = 3*(5/21)*(16/20)*(15/19) = 0.4511

Then the probability of having less than two contaminated bottles is:

probability = P + Q = 0.4211 + 0.4511 = 0.8722

8 0
2 years ago
Giving brainliest for this
Arisa [49]

Answer:

1. loans

2. credit

3. interest

4. total value

5.

6.

7. compound

8. principal

9.

10.

Step-by-step explanation:

I don't know what 5, 6, 9, or 10 is

7 0
2 years ago
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