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skelet666 [1.2K]
3 years ago
13

The expression below shows how to convert 12 gallons to cups with one part missing

Mathematics
2 answers:
aivan3 [116]3 years ago
8 0
The answer is 12 because that is the only exception
kotegsom [21]3 years ago
6 0

Answer:12

Step-by-step explanation:

k

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A survey company asks all respondents for demographic information. There are 8 age and 7 income groups, 5 gender choices, and 6
IgorC [24]

Answer:

3361 people should poll so it's inevitable that at least three people in the sample have identical demographic information.

Step-by-step explanation:

Consider the provided information.

There are 8 age and 7 income groups, 5 gender choices, and 6 choices for ethnicity.

For age we have 8 choices.

For Income groups we have 7 choices.

For gender groups we have 5 choices.

For ethnicity we have 5 choices.

Therefore, the total number of groups is: 8×7×5×6=1680

That means 1680 distinct group.

According to Pigeons holes principal: If m pigeons are in n holes and m > n, then at least 2 pigeons are in the  same hole.

So to select at least 2 people in the sample have identical demographic information 1681 people needs to poll.

In order to at least 3 people (2 × 1680+1) people should need to poll.

2 × 1680 + 1 = 3361

Hence, 3361 people should poll so it's inevitable that at least three people in the sample have identical demographic information.

6 0
3 years ago
(picture is sideways)
Vlada [557]

Answer:

U=80

B=44

Q=93

Step-by-step explanation:

U:180=U+37+63

180=U+100

180-100=U+100-100

80=U

B:180=B+90+46

180=B+136

180-136=B+136-136

44=B

Q:180=Q+36+51

180=Q+87

180-87=Q+87-87

93=Q

4 0
3 years ago
A triangle is placed in a semicircle with a radius of 9 cm
julsineya [31]
Considering that the shaded area is the part of the semi circle outside the triangle:
Area of circle= Pi x radius2 (this means radius squared)
Area of triangle= 1/2 x base x height
1/2 (because it is a semi circle) x 3.14 (in replacement of pi as directed by question) x 9squared= 127.17

127.17 - (1/2 x 18 x 9) = 46.17cmsquared
4 0
3 years ago
The figure below is half of a figure with its line of symmetry shown. Which figure below will combine with
Leokris [45]

Answer: D

Step-by-step explanation: A is not possible because the shape and the way it is drawn is nearly the same as the figure given. The shape of B is different from the given shape. C is a little too flat to  be considered symmetrical to the figure. Which leaves only option D.

Hope this helped :D

6 0
2 years ago
Read 2 more answers
How to put 17/4 into a mixed number
KiRa [710]
Divide the top by bottom. So 17 divided by 4. Which would be around 4.25
4 0
3 years ago
Read 2 more answers
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