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choli [55]
3 years ago
11

A wheel has 11 spokes evenly distributed around the rim of the wheel. What is the measure, in radians, of the central angle form

ed by adjacent pairs of spokes?

Mathematics
1 answer:
Nadusha1986 [10]3 years ago
6 0
Check picture below

keep in mind that, one revolution, or a full circle is 2\pi


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What is the value of x in the equation 2^12 = 2^15x?
Radda [10]

Answer:

X= 1/8

Step-by-step explanation:

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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
In the input/output rule: y = -2x + 8 What
Doss [256]

Answer:

"input" is x and "output" is y

y= -2(3) +8

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y= 2

your answer would be 2

3 0
3 years ago
What is the simplified expression for 3 a squared + 9 a b + 5 minus 4 a squared minus 4 a b + 3? Negative a squared + 5 a b + 8
MArishka [77]

Answer:

The answer is option 1.

Step-by-step explanation:

In order to simplify the expressions, you have to collect like terms :

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= (3a² - 4a²) + (9ab - 4ab) + (5 + 3)

= -a² + 5ab + 8

7 0
2 years ago
Read 2 more answers
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