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scoundrel [369]
3 years ago
11

Line e has a slope of -2/9. line f is perpendicular to e. what is the slope of f

Mathematics
2 answers:
choli [55]3 years ago
8 0

Answer:

9/2

Step-by-step explanation:

In order to find the slope of a line that is perpendicular to another line, you must find the opposite and reciprocal of that slope. So, you have 2/9, and then 9/2.

docker41 [41]3 years ago
3 0

Answer:

slope of f = \frac{9}{2}

Step-by-step explanation:

Given a line with slope m then the slope of a line perpendicular to it is

m_{perpendicular} = - \frac{1}{m} = - \frac{1}{-\frac{2}{9} } = \frac{9}{2}

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Step-by-step explanation:

The formula to find radius of circle is r=\sqrt{A/\pi } so plug in our known variables and solve...

r=\sqrt{804/\pi }

r=\sqrt{255.9211}

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8 0
3 years ago
The first class had a kids in it, the second had b kids in it, and the third class had c kids in it. Kids from all three classes
kramer
(a+b+c)/2. this is your answer. if it had the numbers i would solve it fully, but it only has variables.
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3 years ago
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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
The volume of a barrel of oil is 257166 cm3 round this figure to the nearest hundred thousand
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Answer: Hope this helps :D

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Step-by-step explanation:

3 0
2 years ago
Graph y=5/3x -9 ......
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Put a point at -9 because that is the y-intercept.then from the point -9 count up 5 and count over 3.
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