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jok3333 [9.3K]
3 years ago
13

Determine the volume of the solid formed by rotation about the y-axis of the region bounded by the curve y=11lnx the x-axis, the

y-axis and the line y=11ln14 .
Mathematics
1 answer:
Leno4ka [110]3 years ago
7 0
55 by 5 will get you the answer
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A researcher is exploring the notion that there is an economy of scale in raising children. While having one child might add to
trasher [3.6K]

Answer:

The probability is   G  =  85%

Step-by-step explanation:

From the question we are told that

   The percentage of parents that have one child under 18 in their homes is  k = 15%

  The percentage of parents that have two children is  T = 65%

    The percentage of parents that have three or more children is  Y = 20%

Generally the probability that any given family who is selected have two or more children at home is mathematically evaluated as

     G  =  T  +  Y

=>  G  =  65% +  20%

=>  G  =  85%

4 0
3 years ago
A car is on a driveway that is inclined 10 degrees to the horizontal. A force of 490 lb is required to keep the car from rolling
lara31 [8.8K]

Answer:

a) weight  of the car = 2816,1 lbs

b) 2773 lbs

Step-by-step explanation:

The equilibrium force is 490 lbs. That force keep the car at rest, then

∑ Fy  =  0     and  ∑Fx  =  0

Forces acting on the car:

The external force   490 lbs

weight of the car   uknown

Normal force

sin∠10°  =  0,174

cos∠10° = 0.985

∑Fx  =  0         mg*sin10°- 490 = 0      ∑Fy =  0      mg*cos10° - N  =  0

mg*0,174= 490

mg  =  490 / 0,174

mg = 2816,1 lbs

weight  of the car = 2816,1 lbs

The Normal force

mg*cos10° - N  =  0        2816,1 * 0,985 = N

N = 2773 lbs

Then equal force in magnitude and in opposite direction will car exets on the driveway

3 0
3 years ago
Which is it.<br> Top left, top right, bottom left, or bottom right
shutvik [7]

Answer:

Option in the "bottom left" is correct choice.

Step-by-step explanation:

The volume of a sphere will become 27 times greater if diameter is tripled.

5 0
3 years ago
Your school football team has 10 scheduled games for the season. You want to attend at least 4 games. How many different combina
viva [34]

24 combinations i believe

8 0
3 years ago
Assume that a student is chosen at random from a class. Determine whether
antiseptic1488 [7]

Answer:

Mutually exclusive

Step-by-step explanation:

8 0
3 years ago
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