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Andre45 [30]
3 years ago
13

What is the Probability A high school band has 8 freshmen, 12 sophomores, 16 juniors, and 14 seniors? If a student is selected a

t random, find the probability that the student is a senior.
Mathematics
1 answer:
pentagon [3]3 years ago
6 0
.28 or 28% chance the randomly selected student is a senior. There are 50 total students in the band, and 14 seniors, so the probability that a senior is randomly selected is 14/50 or .28
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5 times a number is 14 less than the square of that number. Find the positive solution.
anastassius [24]

Write the word problem in algebraic form:

n2 -14 = 5n

Write as a quadratic:

n2 - 5n - 14 = 0

Factor:

(n+2)(n-7) = 0

Solve:

n+2 = 0    =>   n = -2

n-7 = 0    =>   n = 7

positive solution is 7.   (14 less than 72 = 35 which is also 5 times 7)

8 0
4 years ago
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Diano4ka-milaya [45]

Answer:

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Step-by-step explanation:

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3 years ago
Write the equation of the line in Point-Slope Form
katrin [286]

17.

The point-slope form:

y-y_1=m(x-x_1)

We have slope=m=8, and the point (-5, -3). Substitute:

y-(-3)=8(x-(-5))\\\\\boxed{y+3=8(x+5)}


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The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

We have the points (3, 4) and (15, 10). Substitute:

m=\dfrac{10-4}{15-3}=\dfrac{6}{12}=\dfrac{1}{2}

The point-slope form:

\boxed{y-4=\dfrac{1}{2}(x-3)}

or

\boxed{y-10=\dfrac{1}{2}(x-15)}

4 0
3 years ago
Write an expression for the quotient of b divided by the difference of two minus three.<br>​
Marina86 [1]

Answer:

b/(2-3)

Step-by-step explanation:

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3 years ago
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OverLord2011 [107]
So we could plot those points, 0, 5. When x is 0, y is 5. When x is 6, y is 0. I think if wrong sorry
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3 years ago
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