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Ronch [10]
3 years ago
11

The probability that a school wins their first game in the national college basketball tournament is related to the rank they ha

ve going into the tournament. This can be expressed by the equation y=−6.39x+104
where x

is their rank (out of 16) and y

is the percent chance they have of winning their first game.


According to the model, a school ranked #3 has what probability of winning their first game? Round your answer to the nearest percent.
Mathematics
1 answer:
UkoKoshka [18]3 years ago
6 0
Basically u do 62 +22+104 and you get your answer
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find the dimensions of a rectangle whose width is 5 miles less than its length and whose area is 66 square miles
Lyrx [107]
A = l * w
66 = l * (l - 5)
66 = l^{2}-5l
0 = l^{2}-5l - 66

l = 11 or 6 check which works.

A = 11 * 6, which fits.

length = 11 miles
width = 5 miles
4 0
3 years ago
What is the perimeter of a triangle with sides of lengths 5, 8, & x?
Anastaziya [24]
The perimeter of a triangle can be found by adding up all the sides

so the perimeter is : 
5 + 8 + x =
13 + x <==
4 0
3 years ago
The average estimated hours a person in the United States spent playing video games per year from 2002 to 2012 were 71, 80, 82,
ozzi

Answer:

Population variance 579

Population standard deviation 24

Step-by-step explanation:

The average estimated hours a person in the United States spent playing video games per year from 2002 to 2012 were 71, 80, 82, 78, 80, 91, 107, 121, 125, 131, and 142.

The population variance is given by:

\sigma^2=\frac{\sum(x-\mu)^2}{n}

\mu=\frac{71+80+82+78+80+91+107+121+125+131+142}{11}

\mu=\frac{1108}{11}

This implies that:

\sigma^2=\frac{(71-\frac{1108}{11})^2+(80-\frac{1108}{11})^2+(82-\frac{1108}{11})^2+(78-\frac{1108}{11})^2+(80-\frac{1108}{11})^2+...+(142-\frac{1108}{11})^2}{11}

\sigma^2=\frac{70006}{121} =579 to the nearest whole number

The population standard deviation is

\sigma=\frac{\sqrt{70006} }{11}=24 to the nearest whole number.

3 0
3 years ago
Read 2 more answers
You are cutting pieces of fabric for a craft project. You need three pieces that measure 6 2/3 inches, 4 1/2inches, and 3 5/8inc
d1i1m1o1n [39]

Answer:

Step-by-step explanation:

14/19/24

6 0
3 years ago
A ∠A and ∠ B ∠B are complementary angles. If m ∠ A = ( 2 x + 18 ) ∘ ∠A=(2x+18) ∘ and m ∠ B = ( 6 x + 8 ) ∘ ∠B=(6x+8) ∘ , then fi
Aleks [24]

Answer:

<B = 56 degrees

Step-by-step explanation:

The sum of two complementary angle is 90 degrees

Hence <A + <B = 90

2x++18 + 6x + 8 = 90

8x + 26 = 90

8x = 90-26

8x = 64

x = 64/8

x = 8

Get <B

<B = 6x+8

<B = 6(8) + 8

<B = 48+8

<B = 56 degrees

7 0
3 years ago
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