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ICE Princess25 [194]
2 years ago
7

Plase help I need it​

Mathematics
1 answer:
gregori [183]2 years ago
6 0

Answer:

40

Step-by-step explanation:

2/150 can be simplified to 1/75

this means that for every 75 products, 1 will be a defect.

divide 3000 by 75 and you will have your answer.

3000/75 =40.

it is likely there will be 40 defects

another method for this:

1/75 = ?/3000

75 x 40 = 3000 (this means that the denominators are equal. now we must multiply the top number by the same thing)

1x40 = 40.

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Dennis has three identical ​cylinders​ filled with water. How many ​cones should he be able to fill with the water if the cones
Brut [27]

Answer:

3 cylinder will fill 9 cones with water

Step-by-step explanation:

This problem bothers on mensuration of slides, cone and cylinder

We know that the

Volume of a cylinder = πr²h

Volume of a cone = 1/3(πr²h)

Given that both cylinder and cone has same height and radius

From the given expression we can deduce that the cone is 3 times smaller than the cylinder in volume

So if 1 cylinder will fill 3 cones

Then 3 cylinders will fill x cones

By cross multiplication we have

x= 3*3cones

x= 9 cones

Hence 3 cylinder will fill 9 cones with water

3 0
2 years ago
Read 2 more answers
Miranda wants to give her 14-year-old daughter $20,000 when she turns 18. How much does she need to put in the bank now if the i
Eddi Din [679]
20,000 = P ( 1 + 0.1 )^4
20,000 = P * 1.1^4
20,000 = P * 1.461
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Answer: Miranda needs to put now in the bank $13,689.25 
3 0
3 years ago
Pls help I will give you 15 points
STALIN [3.7K]

Answer:

Ana still needs to read 1/5 of th journal

8 0
3 years ago
Which of the following words does not indicate multiplication?
never [62]

Answer:

D, more than

Step-by-step explanation:

More than is addition / greater than

4 0
3 years ago
10. The continuously compounded annual return on a stock is normally distributed with a mean of 20% and standard deviation of 30
ehidna [41]

Answer: We should expect its actual return in any particular year to be between<u> -40%</u> and<u> 80%</u>.

Step-by-step explanation:

Given : The continuously compounded annual return on a stock is normally distributed with a mean 20% and standard deviation of 30%.

From normal z-table, the z-value corresponds to 95.44 confidence is 2.

Therefore , the interval limits for 95.44 confidence level will be :

Lower limit = Mean -2(Standard deviation) = 20% -2(30%)= 20%-60%=-40%

Upper limit =  Mean +2(Standard deviation)=20% +2(30%)= 20%+60%=80%

Hence, we should expect its actual return in any particular year to be between<u> -40%</u> and<u> 80%</u>.

7 0
3 years ago
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