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3 years ago

12

Write a four digit whole number that is divisible by 2. Use a divisibility rule and explain how you know that your number is div

isible by 2.

2 answers:

OverLord2011 [107]3 years ago

6 0

1,000 is divisible by two. i know this because if you divide it by two, you get a whole number. hope this helps?

Alex73 [517]3 years ago

3 0

2,024 is divisible by 2 because when you divide it it turns out as a whole number.

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Please help!! the table shows the number of hours that a group of friends spent in their first week training to run a marathon.

saw5 [17]

So if they all add 4 hours to their time then they have:
Jeff 9
Mark 14
Karen 9
Costas 13
Brett 11
Nikki 9
Jack 11

so now to find the mean you add all the numbers together to get 76 and then you divide it by the number of people (7 people) so 76 divided by 7 equals 10.8571429 and that's the mean.

Now to find the median you put all the numbers in order from least to greatest: 9;9;9;11;11;13;14 and you take the number in the middle but since both 11 and 11 are in the middle you take the mean of them and the mean of them is 11 so the median of the numbers is 11

now to find the range you take the largest number (14) and you subtract the smallest number (9) so 14 - 9 is 5 so 5 is the range

and last the mode is the number that is repeated most out of all the numbers so the mode would be 9

8 0

3 years ago

An entrepreneur buys some microscopes. Each one cost $200 and resells online for $526. What is the mark-up percentage?

Dafna11 [192]

Answer:

326

Step-by-step explanation:

Given: Microscopes. Each one costs $200 and resells online for $526.

To find: What is the mark-up percentage?

Solution: Simply take the sales price minus the unit cost, and divide that number by the unit cost. Then, multiply by 100 to determine the markup percentage.

$526 - 200 = 326$

Net Profit Margin = 61.98%

Net Profit = $326.00

Profit Percentage = 163.00%

Find more here: brainly.com/question/23345732

6 0

3 years ago

Anyone know quadratics

VMariaS [17]

When competing the square, you want to have
${b}^{2}$
at the end, and using the fact that the x term and coefficient are really
$2bx$
, we see that the third option is the most efficient way to start

3 0

3 years ago

The following is the correct way to show the product for 0.297×7.1:

ZanzabumX [31]

The answer is 2.1087

3 0

3 years ago

Astrid is in charge of building a new fleet of ships. Each ship requires 40 tons of wood, and accommodates 300 sailors. She rece

gogolik [260]

Answer:Astrid needs 280 tons of wood

Step-by-step explanation:

Because:

1 ship requires 40 tons of wood=accomodates 300 sailors

We must:

2100, sailors needed to be accomodated

÷

300, sailors that can be accomodated by 1 ship that requires 40 tons of wood

=7 groups of 300 sailors that can be accomodated by 1 ship that requires 40 tons of wood.

So:

I ship that requires 40 tons of wood × the 7, groups = 280 tons of wood.

I hope this helps! Im sorry its too complicated.

Simplier:

2100 ÷ 300= 7

40 × 7= 280

6 0

3 years ago