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solniwko [45]
3 years ago
7

Which expression represents a number, p, added to the difference of 25 and 5?

Mathematics
2 answers:
Arlecino [84]3 years ago
6 0

Answer:

A.

Step-by-step explanation:

blsea [12.9K]3 years ago
3 0
A, it correctly shows p added to 25-5.
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Svetllana [295]
1) The answer for both includes a circle. You would rotate the shape around the axis of symmetry, creating an infinite number of 2-d circles stacked on top of each other, creating the cone or cylinder. In the case of a cylinder, the other shape is a rectangle, and in the case of a cone, a right triangle with one line serving as the axis of symmetry.

2) The volume of a cone is the area of the base, multiplied by height, divided by 3. This means that the volume of a cone is 1/3 the volume of a cylinder of equal height and base area. The volume of a cylinder is the area of the base times height. The volume of a pyramid, similar to a cone, is the area of the base (length x width) times the height, divided by three.

3) One definition of density is mass/volume, or mass per unit of volume. For example, if a 5 kg object has a volume of 10 cm³, than the density would be 0.5kg/cm³. In population density, relative to our example, area takes the place of volume and population takes the place of mass. This means that population density is population/area. For example, if 10,000 people occupy an area of 5 square miles, then the population density is 2,000 people/ square mile. 

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5) When might you want to use volume in your daily life? Here is a depressing example. Say your corporate job in the Accounting Department has you feeling blue, and your only break is your daily trip to the water cooler. The cups at the cooler are cone-shaped. Not only is this inconvenient because you can't stand them up without getting the rim dirty, but these cups contain 1/3 the water that a perfectly cylindrical cup of the same base/height could provide. You may tell your manager this, and earn yourself some fancy new cylindrical paper cups! 
8 0
3 years ago
Kellen​'s boat travels 15 mph. find the rate of the river current if she can travel 2 mi upstream in the same amount of time she
Vladimir79 [104]
If the speed of the stream is x
Time is given by d/r , where r is the rate and d is the distance;
Rate for upstream = (15-x) mph and that of down stream is (15 +x) mph
The time taken will be the same;
Thus; 2/(15-x) = 4/(15+x)
         cross multiplying;
30 +2x = 60 -4x
   6x = 30
   x =5 
Therefore the rate of the river is 5 mph
3 0
3 years ago
Read 2 more answers
Captain John Smith earns $3,300 a month in the Air Force. If the Air Force puts 6% into his pension, how much goes into his pens
sdas [7]
I think the correct answer from the choices listed above is the third option.  If the Air Force puts 6% into his pension, then $198 would go to his pension monthly. It is calculated by multiplying .06 to the amount he earns. Hope this answers the question. Have a nice day.
6 0
3 years ago
Jason begins at the start of a path and rides his bike 11 and a half miles on the path the path is 12 and a 1/4 miles long whats
Paladinen [302]
We just need to subtract the total miles he has already rode from the total miles of the path.
12.25-11.5
0.75
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4 0
4 years ago
1 1/2x4 1/4 solve problem in simplest form
olganol [36]

Answer:

6 3/8

Step-by-step explanation:

1.5x4.25=6.375=51/8= 6 3/8

8 0
2 years ago
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