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Monica [59]
3 years ago
5

Please help I need to get this done and I am confused

Mathematics
1 answer:
Leno4ka [110]3 years ago
8 0

Answer:

Step-by-step explanati

7,5

6,8

2,4

1,3

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Use implicit differentiation to find the points where the circle defined by x^2+y^2−6x−4y=-4 has horizontal and vertical tangent
Inga [223]
Implicit differentiation: 2x+2ydy/dx-6-4dy/dx=0. When dy/dx=0, we have a horizontal tangent.
So 2x-6=0 and x=3. To find y we solve 9+y²-18-4y=-4, y²-4y-5=0=(y-5)(y+1), so the points are (3,5) and (3,-1).
2xdx/dy+2y-6dx/dy-4=0. When dx/dy=0 we have a vertical tangent, so 2y=4, y=2, and x²+4-6x-8=-4, x²-6x=0, x=0 and 6.
The points are (0,2) and (6,2).
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A van and a bicycle move towards each other. The speed of the van is 80 km per hour, and the speed of the bike is 20 km per hour
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3 years ago
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You pick a card at random.
natima [27]

The most appropriate choice for Probability of an event will be given by-

P(7) = \frac{1}{3}

What is Probability?

Probability gives us the information about how likely an event is going to occur

Probability is calculated by Number of favourable outcomes divided by the total number of outcomes.

Probability of any event is greater than or equal to zero and less than or equal to 1.

Probability of sure event is 1 and probability of unsure event is 0.

Here,

Sample space = {6, 7, 8}

Total number of outcomes = 3

Favourable outcomes = {7}

Number of favourable outcomes = 1

Probability of getting a 7 = P(7) = \frac{1}{3}

To learn more about probability of an event, refer to the link:

brainly.com/question/251701

#SPJ9

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The answer should be b according to me
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The experimental probability of getting a 6 on a number cube is 7/40 Which is true about the event’s experimental probability?
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B, the number 6 came up 7 times out of a total of 40 trials. 
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3 years ago
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