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otez555 [7]
3 years ago
15

Which equation would best represent this problem?

Mathematics
1 answer:
kolbaska11 [484]3 years ago
4 0
Letter (a) is the equation that best fits the problem
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Help ASAP! its the last question and I'll mark brainliest
mixer [17]

Answer:

The range is the same for both sets of data

Step-by-step explanation:

The two box and whisker plots share neither a median, upper quartile, or a lower quartile, but they do both have a range of 40-55.

4 0
3 years ago
A circular pond is modeled by the equation x^2 + y^2= 225. A bridge over the pond is modeled by a segment of the equation x – 7y
serious [3.7K]
x^2+y^2=225 \\
x-7y=-75 \\ \\
\hbox{solve the second equation for x:} \\
x-7y=-75 \ \ \ |+7y \\
x=7y-75 \\ \\
\hbox{substitute 7y-75 for x in the first equation:} \\
(7y-75)^2+y^2=225 \\
49y^2-1050y+5625+y^2=225 \\
50y^2-1050y+5625=225 \ \ \ \ \ \ \ \ \  |-225 \\
50y^2-1050y+5400=0 \ \ \ \ \ \ \ \ \ \ \ \ |\div 50 \\
y^2-21y+108=0 \\
y^2-9y-12y+108=0 \\
y(y-9)-12(y-9)=0 \\
(y-12)(y-9)=0 \\
y-12=0 \ \lor \ y-9=0 \\
y=12 \ \lor \ y=9

x=7y-75 \\
x=7 \times 12 -75 \ \lor \ x=7 \times 9-75 \\
x=84-75 \ \lor \ x=63-75 \\
x=9 \ \lor \ x=-12 \\ \\
(x,y)=(9,12) \hbox{ or } (x,y)=(-12,9)

The points are (9,12) and (-12,9).
The answer is A.
7 0
3 years ago
If A and B are independent events and P(A)=0.25 and P(B)=0.333, what is the probability P(ANB)?
Pachacha [2.7K]

The probability P(ANB), that is, P(A ∩ B), given that A and B are independent events and P(A) = 0.25 and P(B) = 0.333 is <u>0.08325</u>. Hence, <u>option C</u> is the right choice.

For any two events A and B, the probability of event A and B, that is, P(A ∩ B) is given as:-

  1. When the events are dependent, P(A ∩ B) = P(A).P(B|A).
  2. When the events are independent, P(A ∩ B) = P(A).P(B).

In the question, we asked the probability P(ANB), that is, P(A ∩ B), given that A and B are independent events and P(A) = 0.25 and P(B) = 0.333.

We know that when the events are independent, P(A ∩ B) = P(A).P(B).

Thus, P(A ∩ B) = (0.25)*(0.333),

or, P(A ∩ B) = 0.08325.

Thus, the probability P(ANB), that is, P(A ∩ B), given that A and B are independent events and P(A) = 0.25 and P(B) = 0.333 is <u>0.08325</u>. Hence, <u>option C</u> is the right choice.

Learn more about the probability of independent events at

brainly.com/question/12783373

#SPJ4

8 0
2 years ago
I need help ASAP!!!Please explain your answer
slavikrds [6]

Answer:

Step-by-step explanation:

V = B * h

B = pi r^2

r = 12 km

B = 12^2 * pi

B = 144 * pi

h = 7 km

Volume = 144 *7 * pi

Volume = 1008 * pi

Volume = 3165.1

4 0
3 years ago
In the diagram below, XY and YX are tangent to o . what is the measure of XYZ ?
Agata [3.3K]

Answer:

B. 51°

Step-by-step explanation:

m<XYZ = 1/2(231 - 129)

m<XYZ = 102/2

m<Y = 51

Answer

B. 51°

3 0
4 years ago
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