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Zepler [3.9K]
3 years ago
14

Find the y-intercept of the line that has a slope of -3 and passes through (9,0)

Mathematics
1 answer:
Ann [662]3 years ago
7 0

9514 1404 393

Answer:

  27

Step-by-step explanation:

For point (x, y) and slope m, the y-intercept can be found from the equation ...

  b = y -mx

  b = 0 -(-3)(9) = 27

The y-intercept is +27. The corresponding ordered pair is (0, 27).

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Approximately 10.3% of american high school students drop out of school before graduation. choose 10 students entering high scho
Hatshy [7]
The probability that a binomial experiment of n trials and p, the probability of success, produces an outcome, x is given by:

P(x)={ ^nC_r}p^x(1-p)^{n-x}

Given that a<span>pproximately 10.3% of american high school students drop out of school before graduation, thus p = 0.103.

If we choose 10 students (i.e. n = 10)

The </span><span>probability that all 10 stay in school and graduate means the probability that none of the 10 students dropped outP(0)={ ^{10}C_0}(0.103)^0(1-0.103)^{10} \\  \\ 1\times1\times(0.897)^{10}=0.337 is given by


</span>
4 0
4 years ago
Please help me figure this out! Thank you so much :( i really need it! ❤️
Hoochie [10]

Answer:

  \textbf{A. }x=2i\text{ or }x=-2i\\\\\textbf{B. }(x+2i)(x-2i)

Step-by-step explanation:

The quadratic can be solved in a straightforward way:

  x^2+4=0\\\\x^2=-4\qquad\text{subtract 4}\\\\x=\pm\sqrt{-4}\qquad\text{take the square root}\\\\x=\pm2i\qquad\text{simplify}

This tells you that the solutions are ...

  2i or -2i

__

For each root of "a", (x -a) is a factor. Thus the factors of the equation are ...

  (x +2i)(x -2i)

8 0
3 years ago
Mrs. Kelly bought a bag of flour that holds 1623 cups of flour. Each loaf of banana bread uses 23 cup of flour.
adoni [48]

Answer:

69 loaves

Step-by-step explanation: (Sorry if you don't understand I am not that good at explaining)

First you need to divide 1,623 by 23 because each loaf is 23 cups of flour.

So 1,623 divided by 23 equals 70.56 but you can't have a fractioned number so it needs to be a whole loaf of bread so she can make 69 loaves of bread

8 0
3 years ago
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Which equation represents a line that passes through (4, 1/3) and has a slope of 3/4
Ipatiy [6.2K]
Y = mx + b
m = slope of the line
b= y-intercept

Since you are given the point (4,1/3), the y-value is 1/3.
So plug in the numbers and solve for b:
(1/3)= (3/4)*(4) + b

After you solve the equation for b, you should get -2 2/3 or -8/3

No rewrite the equation with the y-intercept, b.

y = (3/4 x) - (8/3)
5 0
4 years ago
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How much longer is path c than path d?
crimeas [40]

Answer:

1000

Step-by-step explanation:

the math

8 0
3 years ago
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