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3 years ago

9

19 is 20%of what number

1 answer:

zloy xaker [14]3 years ago

6 0

Answer:

19 is 20% of 95.

Step-by-step explanation:

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What are the most important questions you must ask when considering whether to buy or lease a car? Check all that apply. How muc

777dan777 [17]

I think these are the most important ones.

<span>- How much can I afford to spend each month?
- What are the advantages and disadvantages of buying and leasing?
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3 years ago

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What is a divisibility rules for two

jekas [21]

When the number ends with 2,4,6,8 or 0, the number is divisable by 2

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3 years ago

In an attempt to clean up your room, you have purchased a new floating shelf to put some of your 17 books you have stacked in a

mojhsa [17]

Answer:

19448 ways

70572902400 ways

Step-by-step explanation:

(a)

To arrange 17 books on a shelf from a possible we use the combination formula :

nCr = n! ÷ (n-r)!r!

17C10 = 17! ÷ 7! 10!

17C10 = 19448 ways

To arrange the books in alphabetical order :

2)

In question, 2, the order of arrangement matters ; hence, we use permutation ;

nPr = n! ÷ (n-r)!

17P10 = 17! ÷ (17 - 10)! = 17! ÷ 7!

17P10 = 70572902400

3 0

3 years ago

Grady marks down some $4.09 pens to $3.59 for a week and then marks them back up to $4.09. Find the percent of increase and the

emmainna [20.7K]

Answer:

Percentage decrease ( from $4.09 to $3.59) is 0.1% ( Rounded to nearest tenth)

Percentage increase (from $3.59 to 4.09) is 0.1% ( Rounded to nearest tenth)

Percentages are not same for the both price changes. As we can see from the calculations percentage change from $3.59 to $4.09 is higher.

Step-by-step explanation:

$4.09 has been changed to $3.59.

Percent change = [(Value after - Value before) / Value before]*100

= $\frac{3.59-4.09}{4.09}*100$ %

= $\frac{-0.5}{4.09}*100$ %

= $-0.122249$ %

= $-0.1$ % ( Rounded to nearest tenth)

Percentage decrease is 0.1% ( Rounded to nearest tenth)

Now lets calculate the percentage change from $3.59 to $4.09.

Percent change = [(Value after - Value before) / Value before]*100

= $\frac{4.09-3.59}{3.59}*100$ %

= $\frac{0.5}{3.59}*100$ %

= $0.13927$ %

= $0.1$ % ( Rounded to nearest tenth)

Percentage increase is 0.1% ( Rounded to nearest tenth)

Percentages are not same for the both price changes. As we can see from the calculations percentage change from $3.59 to $4.09 is higher.

6 0

3 years ago

What is 4.239 rounded to the neareast hundreth

Pani-rosa [81]

Answer:

4.24

Step-by-step explanation:

round the hundredths place according to the thousandths place

if the thousandths place (in this case 9) is 5 or greater, round the hundredths place up

if the thousandths place is less than 5, keep the hundredths place the same number

6 0

2 years ago

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