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Illusion [34]
3 years ago
12

Tommy bought one dozen donuts. He gave one-sixth of the donuts to his wife. He then gave one-fifth of the remaining donuts to hi

s son. He took the rest to work. How many donuts did Tommy take to work?
Mathematics
1 answer:
statuscvo [17]3 years ago
6 0

Answer:

8

Step-by-step explanation:

1/6 of 12 is 2

12 - 2 = 10

1/5 of 10 is also 2

10 - 2 = 8

Tommy took 8 donuts to work.

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Answer:

420.69

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4 years ago
Read 2 more answers
The time needed to complete a final examination in a particular college course is normally distributed with a mean of 79 minutes
bagirrra123 [75]

Answer: a) 0.0088

b) 0.2997

c)  5

Step-by-step explanation:

Given : Mean : \mu = 79 minutes

Standard deviation : \sigma = 8 minutes

The formula for z-score :

z=\dfrac{x-\mu}{\sigma}

a) For x = 60 minutes

z=\dfrac{60-79}{8}=-2.375

The p-value =P(z\leq-2.375)=0.0087745\approx0.0088

b) For x = 75 minutes

z=\dfrac{75-79}{8}=-0.5

The p-value =P(60

=P(-0.5)-P(-2.375)=0.3085-0.0088=0.2997

c) For x = 90 minutes

z=\dfrac{90-79}{8}=1.375

The p-value =P(z>1.375)=1-P(z

=1-0.9154342=0.0845658

If the number of students in the class = 60 .

Then , the number of students will be unable to complete the exam in the allotted time =0.0845658\times60=5.073948\approx5

7 0
3 years ago
What is the scientific notation for 568 billion?
tresset_1 [31]
5.68x10^11
100=10^2
1 billion=10^9
10^2*10^9=10^11
5 0
4 years ago
Banana computers sold 19.3 million computers in 2017.
kupik [55]

Answer:

6.04%

Step-by-step explanation:

First, find the difference, 19.3 - 18.2 = 1.1

Find the percentage of 182 is 11. 11/182 = about 0.0604

Percent = Decimal * 100

0.0604 * 100 = 6.04

Hope this helps :)

3 0
2 years ago
PLEASE HELP Function Stories You’ve seen how we can use different functions to model real-world situations, and you’ve studied t
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Answer:it’s a

Step-by-step explanation:I did it before

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