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Leona [35]
2 years ago
14

The mean of the weights of a group of 100 men and women

Mathematics
1 answer:
Arte-miy333 [17]2 years ago
7 0

Answer:

Step-by-step explanation:

160lb.

The mean of the weights of a group of 100 men and women is 160lb. If the number of men in the group is 60 and the mean weight of the men is 180lb, what is the mean weight of the women? For a set of data, the lower quartile is 19, the median is 31, and the upper quartile is 48.

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Drew wants to buy exercise equipment that costs $140 and the sales tax is 5.57% what is the total cost of the equipment
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Answer:

$147.80

Step-by-step explanation:

140 x .0557 = 7.80 Tax

Add tax to price

140 + 7.80 = $147.80

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3 years ago
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Rashan says that –6 ÷ 2 = -3. Which multiplication expression can he use to check his answer?
dusya [7]

-3(2)

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3 0
3 years ago
The pack of 300 markers has a cost of $14.00. What is the UNIT COST for the markers? In other words, how much does each marker c
leva [86]

Answer:

04

Step-by-step explanation:

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3 years ago
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A certain mathematics contest has a peculiar way of giving prizes. Five people are named as Grand Prize winners, but their finis
bixtya [17]

Answer:

The number of complete award announcements possible are 19,554,575,040.

Step-by-step explanation:

Combination is the number of ways to select <em>k</em> items from <em>n</em> distinct items when the order of selection does not matters.

Whereas permutation is the number of ways to select <em>k</em> item from <em>n</em> items when order of selection matters.

The number of people entering this year is 22.

The number of ways to select 5 people for Grand Prize is, {22\choose 5}=\frac{22!}{5!(22-5)!} =26334.

The remaining number of people is, 22 - 5 = 17.

It is provided that the other 5 are selected according to an order.

The number of ways to select other 5 winners is,

^{17}P_{5}=\frac{17!}{(17-5)!} =742560

The total number of ways to select 10 winners of 22 is:

Total number of ways = 26334 × 742560 = 19,554,575,040.

6 0
3 years ago
What is 158% of 200?
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