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Brilliant_brown [7]
3 years ago
15

Brandon left at 2:10 p.m. to walk to the park. It took him 7 minutes to walk there.

Mathematics
2 answers:
pantera1 [17]3 years ago
7 0

Answer:

A. 2:17 p.m.

Step-by-step explanation:

7 minuets more than 10 minuets is 17.

Alex Ar [27]3 years ago
3 0

Answer:

A 2:17

7 minutes plus 10 is 17 so it would be 2:17

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Can anyone help me with this? i dont understand it, thank you.
valina [46]

Answer:

3(x + 2) = 2(x + 2) \\ 3x + 6 = 2x + 4 \\ 3x - 2x = 4 - 6 \\ x =  - 2

4 0
2 years ago
Find the population mean or sample mean as indicated. Sample: 19, 15, 6, 11, 24 Compute the sample mean for this data set. Selec
yKpoI14uk [10]

Answer:

\overline{x}=15

Step-by-step explanation:

the mean is given by:

\overline{x} = \dfrac{\sum\limits_{i=1}^n x_i}{n} \quad\text{or}\quad \dfrac{\text{sum of all items}}{\text{number of items}}

In our case this is:

\overline{x} = \dfrac{19+15+6+11+24}{5} \Rightarrow \dfrac{75}{5}\\\\\overline{x} = 15\\\\

side note: the main difference between sample mean and population mean is in the 'context'. However, the method to calculate them is the same.

By context I mean: if this the items are taken from some larger category for example: the ages of a few 'students' from a 'class'. Here 'students' are the sample from a larger set that is 'class'. The mean of the 'few students' will be called sample mean. In contrast, if we take the mean of the ages of the whole class then this is called population mean. (population mean == mean of the whole set)

In our case we aren't told exactly where these numbers come from, is this the whole set or a sample from it, the lack of context allows us to assume that the mean can either be population mean or sample mean. So we can safely use any symbol \mu or \overline{x}.

3 0
3 years ago
Explain how you know 7(2 - 3n) and (2 - 3n) x 7 are equivalent expressions.​
iogann1982 [59]

Answer:

When you distribute the 7 to each set you get 14-21n and 14-21n

Step-by-step explanation:

5 0
3 years ago
What does this equal<br> 2 [30/5] =
lorasvet [3.4K]
The correct answer is 12
6 0
3 years ago
Read 2 more answers
An animal shelter has 32puppies. If the puppies are 32% of the total dog and cat population, how many dogs and cats are in the a
statuscvo [17]
100-32=68 because 32% and 32 puppies 1 puppy for each percent and take away those puppies from 100 that’s your answer
5 0
3 years ago
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