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Rama09 [41]
3 years ago
8

The height of a cone is twice the radius of its base. A cone has a height of 2 x and a radius of x. What expression represents t

he volume of the cone, in cubic units? Two-thirdsπx3 Four-thirdsπx2 2πx3 4πx3
Mathematics
2 answers:
9966 [12]3 years ago
6 0

Answer:

it's 2/3piX^3 i got a 100 on the test

Step-by-step explanation:

otez555 [7]3 years ago
4 0

Answer:

Answer is A  2/3piX^3

Step-by-step explanation:

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Demerol 45mg and atropine 400mcg/ml give how much per ml to total volume to inject demerol contains 50mg/ml, atropine contains 4
OverLord2011 [107]

Answer:

Volume injected  = 1.65 ml

Step-by-step explanation:

mass of Demerol =45 mg.

density of pre-filled in syringe = 50 mg/ml

Volume = 45/50 = 0.9 ml

For atropine mass = 0.3 mg

density= 400 mcg/ml     [ Note : 1 mcg = 0.001 mg]

volume filled  = 0.3/400(0.001) = 0.75 ml

So, the total volume filled = 0.75+0.9 = 1.65 ml

6 0
3 years ago
The tree diagram below illustrates the possible outcomes of three tosses of a balanced coin. What is the probability that “heads
antiseptic1488 [7]
I’m pretty sure its B.1/4
5 0
2 years ago
there are five bells which ring at interval of 4,5,12 and 15 minutes respectively at what minute those bells ring at the same ti
Rus_ich [418]
<h3>Answer:   60 minutes</h3>

=====================================================

Explanation:

Let's find the LCM of 4 and 5, which are the first two items of the list.

  • multiples of 4 are: 4,8,12,16,20,24,...
  • multiples of 5 are: 5,10,15,20,25,...

The smallest item in each list is 20, so the LCM of 4 and 5 is 20.

We can replace the "4,5" in the list "4,5,12,15" with "20". So our new list would be "20,12,15".

We then repeat the process of finding the LCM of the first two items

  • multiples of 20 are: 20,40,60,80,...
  • multiples of 12 are: 12,24,36,48,60,72,...

LCM of 20 and 12 is 60.

The list "20,12,15" condenses to "60,15".

Repeat this process of finding the LCM once more and you'll find the overall LCM is 60.

Therefore, the LCM of the entire set {4,5,12,15} is 60. This is the smallest multiple shared by all four values. Interestingly enough, the outer values pair up to multiply to 60, and so do the inner values.

4*15 = 60

5*12 = 60

The bells ring together every <u>60 minutes</u>

In other words, all of the bells ring together at the same time every hour (perhaps at the top of every hour; eg at 7:00 pm and at 8:00 pm, etc).

8 0
2 years ago
The residence of a city voted on whether to raise property taxes the ratio of yes to no votes was 2 to 3 is there were 4795 tota
Vinvika [58]

Answer: The number of yes votes = 1918.

Step-by-step explanation:

Given : The ratio of yes to no votes = 2:3

Then the ratio of yes to total votes = \dfrac{2}{2+3}=\dfrac25

Total votes = 4795

Number of yes votes  =  (ratio of yes to total votes) x (Total votes )

= \dfrac{2}{5}\times4795=1918

Hence, the number of yes votes = 1918.

4 0
3 years ago
If a man runs for a nd hour and a half at 8 miles an hour due South; and he continues south on a bus traveling at 55 miles an ho
blsea [12.9K]

he ran 8 * 1.5 = 12 miles

the bus went : 55 * 24/60 = 22 miles

12 +22 = 34 miles total

8 0
2 years ago
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