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timofeeve [1]
3 years ago
8

Help now! Find the area of this. 210 420 105 1092

Mathematics
1 answer:
anygoal [31]3 years ago
5 0

Answer:

Heyyyyyy, use https://www.bartleby.com/  it has helped me out a lot . Its actual tutors/teachers who answer your questions in about 30 minutes !!!!!!!!

You might be interested in
How many different committees can be formed from 10 teachers and 37 students of the committee consist of three teachers and two
pashok25 [27]

Answer:

<em>79,920 different ways</em>

Step-by-step explanation:

Combination has to do with selection:

If we are to select 3 teachers from a pool of 10 teachers to form a committee, this can be done in 10C3 number of ways.

10C3 = 10!/(10-3)!3!

10C3 = 10!/7!3!

10C3 = 10*9*8*7!/7!3!

10C3 = 10*9*8/3*2

10C3 = 720/6

10C3 = 120 ways

Similarly, selecting five 2 students from a pool of 37 students to form a committee, this can be done in 37C2 difference ways;

37C2 = 37!/(37-2)!2!

37C2 = 37!/35!2!

37C2 = 37*36*35!/35!*2

37C2 = 37*36/2

37C2 = 37 * 18

37C2 = 666 ways

<em>Hence the total number of ways that the 5 committees can be selected is expressed as 10C3 * 37C3 = 120 * 666</em>

<em> 120 * 666 = 79,920 ways</em>

3 0
3 years ago
The 200 meter race times at a state track meet are normally distributed with a mean of 13.56 seconds and a standard deviation of
storchak [24]

The approximate probability that a runner chosen at random will have a 200 meter time less than 13.5 seconds is 0.4880 ⇒ A

Step-by-step explanation:

To find the probability of a random variable X which has a normal distribution do that

  • If X < b, find the z-score using the formula z = (b - μ)/σ, where μ is the mean and σ is the standard deviation
  • Use the normal distribution table of z to find the corresponding area to the left of z-score

∵ The 200 meter race times at a state track meet are normally

   distributed with mean of 13.56 seconds and a standard deviation

   of 2.24 seconds

∴ μ = 13.56

∵ σ = 2.24

- We need to find the probability that a runner chosen at random

   will have a 200 meter time less than 13.5 seconds

∵ X < 13.5

∴ b = 13.5

- Find z-score

∵ z=\frac{13.5-13.56}{2.24}=-0.02679

- Use the normal distribution table to find the area corresponding to z

∵ The corresponding area of z ≅ -0.03 is 0.4880

∴ P(x < 13.5) = 0.4880

The approximate probability that a runner chosen at random will have a 200 meter time less than 13.5 seconds is 0.4880

Learn more:

You can learn more about the probability in brainly.com/question/4625002

#LearnwithBrainly

5 0
4 years ago
Help I WILL GIVE Brainiest!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
kondor19780726 [428]

Answer:

b. infinite solutions

Step-by-step explanation:

-\frac{1}{2}x+\frac{1}{2}y=-1\\\\\textsf{subtract} \ -\frac{1}{2}y \ \textsf{from both sides:}\\\\\implies -\frac{1}{2}x=-1-\frac{1}{2}y\\\\\textsf{mulitply both sides by -2:}\\\\\implies x=2+y\\\\\textsf{subtract} \ y \ \textsf{from both sides:} \ x-y=2

Therefore, the graphs are the same.

If the graphs of the equations are the same, then there are an infinite number of solutions that are true for both equations.

6 0
3 years ago
Read 2 more answers
The sum of two numbers is 12. The product of these same two numbers is -64. Find the numbers
Vera_Pavlovna [14]
The two numbers are 16 & -4
7 0
3 years ago
Right answer gets brainlist
insens350 [35]

Answer:

10 feet

Step-by-step explanation:

{r} =  \sqrt{ \frac{V_{silo} }{\pi \times h} }  \\  \\ {r} =  \sqrt{ \frac{11938}{3.14 \times 38} }  \\  \\  {r} =  \sqrt{ \frac{11938}{119.32} }  \\  \\r =  \sqrt{100.050285}  \\  \\ r  = 10.0025139 \\  \\ r \approx \: 10\: ft

4 0
3 years ago
Read 2 more answers
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