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Sergio [31]
3 years ago
14

What number can be used to complete the volume statement for the cone below?

Mathematics
1 answer:
saul85 [17]3 years ago
8 0
Volume =16.89cm squares
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If 2x+5=12 for some value of X,then what does 6x+20 equal
Arte-miy333 [17]
2x+5=12
2x=7
x=3.5
3.5*6=21
21+20=41

Hope this helps :)
4 0
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You are planning the scale model of a town that you will build. For now, you are laying everything out on a coordinate plane as
Rina8888 [55]

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3

Step-by-step explanation:

because if you look closely at the graph you see

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Marshall wants to run laps around the circular track shown below. He starts at the center of the track and walks 72 yards to the
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3 years ago
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In an agricultural study, the average amount of corn yield is normally distributed with a mean of 185.2 bushels of corn per acre
RideAnS [48]

Answer: B. 461 acres

Step-by-step explanation:

Given : In an agricultural study, the average amount of corn yield is normally distributed with a mean of 185.2 bushels of corn per acre, with a standard deviation of 23.5 bushels of corn.

i.e. \mu=185.2\ \ , \ \sigma=23.5

Let x denotes the amount of corn yield.

Now, the probability that the amount of corn yield is more than 190 bushels of corn per acre.

P(x>190)=P(\dfrac{x-\mu}{\sigma}>\dfrac{190-185.2}{23.5})

[Formula : z=\dfrac{x-\mu}{\sigma}]

=P(z>0.2043)=1-P(z  [∵ P(Z>z)=1-P(Z<z)]

1-0.5809405   [using z-value calculator or table]

=0.4190595

Now, If a study included 1100 acres then the expected number to yield more than 190 bushels of corn per acre :-

0.4190595\times1100=460.96545\approx461\text{ acres}

hence, the correct answer is B. 461 acres .

8 0
3 years ago
How many integers between 10 and 60, inclusive, can be evenly divided by neither 2 nor 3?
erastovalidia [21]
Find total number of integers.

a_1=10,a_n=60,d=1 \\a_n=a_1+(n-1)d \\60=10+(n-1)1 \\n-1=50 \\n=51

Find how many integers is divisible by 2.

a_1=10,a_n=60,d=2&#10;\\a_n=a_1+(n-1)d&#10;\\60=10+(n-1)2&#10;\\2(n-1)=50&#10;\\n-1=25&#10;\\n=26

Eliminate even numbers.

11, 13, 15,..., 57, 59

This array contains 51 - 26 = 25 numbers.

Eliminate numbers before the first number divisible by 3 and after the last number divisible by 3.

15, 17, 19,..., 55, 57

This array contains 25 - 3 = 22 numbers.

Now we should eliminate numbers divisible by 3: 15, 21, 27...

a_1=15,a_n=57,d=6,n=?&#10;\\a_n=a_1+(n-1)d&#10;\\57=15+(n-1)6&#10;\\6(n-1)=42&#10;\\n-1=7&#10;\\n=8

There are 8 such numbers.

Therefore, there are 25 - 8 = 17 numbers that <span>can be evenly divided by neither 2 nor 3</span>

6 0
3 years ago
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