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Eduardwww [97]
3 years ago
11

Please help I have to turn this in by the end of the night

Mathematics
1 answer:
Sidana [21]3 years ago
3 0

Answer:

is the answer 984???

Step-by-step explanation:

srry if this wrong im not the smartest person in the world

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Event A has a probability of occurring of 4/5 . Event B has a probability of occurring of 1/3. If events A and B are independent
Karolina [17]

The probability of both events occurring is  4/15

<h3>How to determine the probability?</h3>

The given parameters are:

P(A) = 4/5

P(B) = 1/3

Because the events are independent, we have:

p(A and B) = P(A) * P(B)

This gives

P(A and B) = 4/5 * 1/3

Evaluate

P(A and B) = 4/15

Hence, the probability of both events occurring is  4/15

Read more about probability at:

brainly.com/question/11234923

#SPJ1

7 0
2 years ago
What is the answer to a + b + c??
marissa [1.9K]

Answer:

You can't add these because they are different variables

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
A regular polygon has 20 sides the measure of an exterior angle of polygon is​
mote1985 [20]

Answer:

198 degrees

Step-by-step explanation:

Such a shape is called a 20-gon, such shapes have an interior angle of 162. Hence, the exterior angle = 360 (Complete angle) - 162 (The interior anlge) = 198 degrees, Hope my answer helps you, Thank you, and please add me as brainliest! Thanks

5 0
3 years ago
An air traffic controller spots two airplanes at the same altitude converging to a point as they fly at right angles to each oth
sattari [20]
They are traveling at right angles to each other so we can say one is traveling north to south and the other west to east.  Then we can say that there positions, y and x are:

y=150-600t  x=200-800t

By using the Pythagorean Theorem we can find the distance between these two planes as a function of time:

d^2=y^2+x^2, using y and x from above

d^2=(150-600t)^2+(200-800t)^2

d^2=22500-180000t+360000t^2+40000-320000t+640000t^2

d^2=1000000t^2-500000t+62500

d=√(1000000t^2-500000t+6250)

So the rate of change is the derivative of d

dd/dt=(1/2)(2000000t-500000)/√(1000000t^2-500000t+6250)

dd/dt=(1000000t-250000)/√(1000000t^2-500000t+6250)

So the rate depends upon t and is not a constant, so for the instantaneous rate you would plug in a specific value of t...

...

To find how much time the controller has to change the airplanes flight path, we only need to solve for when d=0, or even d^2=0...

1000000t^2-500000t+62500=0

6250(16t^2-8t+1)=0

6250(16^2-4t-4t+1)=0

6250(4t(4t-1)-1(4t-1))=0

6250(4t-1)(4t-1)=0

6250(4t-1)^2=0

4t-1=0

4t=1

t=1/4 hr

Well technically, the controller has t<1/4 because at t=1/4 impact will occur :)


7 0
3 years ago
Larinda cooked a 4-kilogram roast. The roast left over after the meal weighed 3 kilograms. How many grams of roast were eaten du
blsea [12.9K]

Answer:

1 kilogram was eaten

Step-by-step explanation:

7 0
3 years ago
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