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Snowcat [4.5K]
3 years ago
11

Need help extra points and mark brainlyist

Mathematics
1 answer:
SOVA2 [1]3 years ago
6 0
It’s the last one. Im pretty sure it’s the last one
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An object travels along a circular path so that it completes one revolution in 8 seconds. If the linear velocity of the object i
natima [27]

Answer:

Using the concept of speed-distance-time, we find that the diameter of the circular path is 12 inches.

Step-by-step explanation:

Given that the object completes one revolution in 8 seconds. So, the circular speed of the object is 2πr/8 = πr/4 inches per seconds, where r is the radius of the circular path. The speed can be written as:

πr/4 inches per seconds = 60πr/4 inches per minute = 15πr inches per minute.

But, it is given that the circular speed of the object is 90π inches per minute. So,

90π = 15πr

r = 6 inches

Since, diameter is the double of radius, d = 2r = 12 inches.

For more explanation, refer the following link:

brainly.com/question/17978382

#SPJ10

4 0
2 years ago
Are the locations of earthquakes reelated to one another? Why?
scZoUnD [109]
It depends, not exactly, because the techtonic plates aren't connected. 
6 0
3 years ago
You toss a coin and randomly select a number from 0 to 9 what is the probability of getting tails and selecting 3? 0.25 0.95 0 0
andre [41]
The correct answer is .05

To solve, find the decimal of each of the probabilities: 

Flipping Tails:  1/2 ----> .5

Picking 3:   1/10-----> .10

Now, multiply them together: 

.5 x .10 = .05

Hope this helps!
3 0
4 years ago
Read 2 more answers
the population of the word grows exponentially at a rate of 1.1 per year. find the number of years it takes for the population t
alexgriva [62]

Answer:

8.4 you just add it so i hope it helps

6 0
3 years ago
Please show your work !!!!!!!!!!!!
dedylja [7]

Answer:

(3.4)

Step-by-step explanation:

  • Our equation is f(x)=-2(x-3)^2+4
  • Now there are 2 ways you can do this, I'll show you the shortcut
  • If you have an equation like this, just take the value in parenthesis and equate it to zero
  • x-3=0.x=3 is the x of the vertex
  • Put this back into the equation
  • f(x)=-2(x-3)^2+4\\x=3\\f(3)=-2(3-3)^2+4\\f(3)=-2(0)^2+4=4 this is the y
3 0
3 years ago
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