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Komok [63]
3 years ago
13

The 154 tenth-graders at Wilson High School were polled on whether they enjoyed their algebra or geometry course more. The resul

ts are shown below. Algebra: 34 female, 33 male Geometry: 40 female, 47 male Use the drop-down menus to answer the questions. What is the probability that a randomly chosen tenth-grader is male? What is the probability that a randomly chosen tenth-grader is male given that the tenth-grader prefers geometry? Are the events “male” and “geometry” independent?
Mathematics
2 answers:
kolbaska11 [484]3 years ago
8 0

Answer:

51.94805...%

Step-by-step explanation:

added up all the #'s =154

added up all the bois =80

divide 80 from 150 =0.51948...

multiply that by 100 =51.94805...

Nat2105 [25]3 years ago
5 0

Answer:

80/154 47/87 no. P male does not equal p (male geometry)

Step-by-step explanation:

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Create the equation of a quadratic function with a vertex of (5,6) and a y-intercept of -69
Elena L [17]
If the y-intercept is at -69, meaning the point is (0, -69), thus x = 0, y = -69

\bf ~~~~~~\textit{parabola vertex form}
\\\\
\begin{array}{llll}
\boxed{y=a(x- h)^2+ k}\\\\
x=a(y- k)^2+ h
\end{array}
\qquad\qquad
vertex~~(\stackrel{}{ h},\stackrel{}{ k})\\\\
-------------------------------\\\\
vertex~(5,6)\quad 
\begin{cases}
x=5\\
y=6
\end{cases}\implies y=a(x-5)^2+6
\\\\\\
\textit{we also know that }
\begin{cases}
x=0\\
y=-69
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-75=25a\implies \cfrac{-75}{25}=a\implies a=-3
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therefore\qquad \boxed{y=-3(x-5)^2+6}
3 0
2 years ago
16y = 19 A. y = 4 B. y=2/3 C. y=1/4 D. y = 38
____ [38]

Answer:

y=19/16 or y=1.1875

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Question 10 [10 points] The number of frogs in a pond increases continuously at a rate proportional to the number present. There
White raven [17]

Answer:

a) 1325 frogs b)75.47 hours

Step-by-step explanation:

start = 150 frogs

after 4 hours = 530

1) figure out how many frogs per hour 530/4 = 132.5 frogs per hour

2) 10 hours after initial time * 132.5 frogs = 1325 frogs

3) Time to reach 10000 frogs is => 10000 / 132.5 = 75.47 hours

4 0
3 years ago
Justin opened a savings account with $900 that pays no interest. He deposits an
hram777 [196]
$6,600

explanation:
1. 900+190x30
2. 190x30=5,700
3. 900+5,700- 6,600
3 0
3 years ago
How many times dose 32 fit into 249?
olya-2409 [2.1K]

Answer:

The answer is 7.

Step-by-step explanation:

solve using division.

\frac{249}{32} \\7.78\\

the number of <em>whole</em> times 32 can fit into 249 is 7. the remainder is .78.

hope this helps!

5 0
3 years ago
Read 2 more answers
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