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tino4ka555 [31]
3 years ago
15

a random sample of seventh graders shows the numbers of minutes they spend on personal hygiene each morning

Mathematics
2 answers:
Gre4nikov [31]3 years ago
5 0

Answer:

Step-by-step explanation:

u expect us to know the questions

IRINA_888 [86]3 years ago
3 0

Can you post the rest of the question

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Darius is putting tiles on the roof of his house. After working for 3 1/3 hours, he has completed 4/5 of the roof. Can Darius pu
tangare [24]

Answer:

No.

Step-by-step explanation:

It is given that Darius is putting tiles on the roof of his house.

Darius had completed = $\frac{4}{5}$ th of the work

He takes time = $3 \frac{1}{3}$ hours to complete $\frac{4}{5}$ th of the work

The remaining work = $1 -\frac{4}{5}$

                                 $=\frac{5-4}{5}$

                                 $=\frac{1}{5}$

∴  Darius completes $\frac{4}{5}$ th of the work in = $\frac{10}{3}$ hours

                           So, $\frac{1}{5}$ th of the work in = $\frac{10}{3} \times \frac{5}{4} \times \frac{1}{5}$ hours

                                                                 $=\frac{10}{12}$ hours

Therefore total time taken to complete the work $=\frac{10}{3}+\frac{10}{12}$ hours

                                                                                  $=\frac{40+10}{12}$ hours

                                                                                  $=\frac{50}{12}$ hours

                                                                                  $=4\frac{2}{12}$ hours

                                                                                  $=4\frac{1}{6}$ hours

Thus, Darius continues to work at the same rate will not be able to complete the work in 4 hours.  

                                                                                 

8 0
3 years ago
Jason inherited a piece of land from his great-uncle. Owners in the area claim that there is a 45% chance that the land has oil.
Anna [14]
In this case you the probabilities can be multiplied similarly to if you flipped a coin twice. .45 * .80 = .36
5 0
3 years ago
Read 2 more answers
Use this picture to write a ratio. What is the ratio of apples to bananas?<br> 1:2<br> 2:1<br> 1:4
VARVARA [1.3K]

Answer:

1:2

Step-by-step explanation:

If its just apples to bananas then it would be 1:2

8 0
3 years ago
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You own 6 hats and are taking 4 on vacation. In how many ways can you choose 4 hats from the 6?
Gemiola [76]
Your answer is A. 15 
5 0
3 years ago
Read 2 more answers
How do you write 680,705 in expanded form??
atroni [7]

<em>Hello!</em>

<em>The expanded form is:</em>

<em>600,000 + 80,000 + 700 + 5</em>


<em>Toodles~</em>

4 0
3 years ago
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