13 Answered Questions for the topic Advanced Mathematics

Advanced Mathematics

06/27/18

#### The line y=mx is a tangent to the circle x^2+(y-2)^2=2.

Find algebraically the values of m and the points of contact of the tangents to the circle.

#### Using induction, show that ∀n∈N \ {0,1}, 1 + 1/(2^2) + … + 1/(n^2) > 3n/(2n + 1)

∀n∈N \ {0,1}, 1 + 1/(2^2) + … + 1/(n^2) > 3n/(2n + 1)
N denotes the Natural Numbers. I tried adding 1/(n+1)^2 to both sides but am stuck.

Advanced Mathematics

11/19/16

#### Geometry related question

Point K is a point inside a triangle XYZ. Let G, H, I be the orthogonal projections of the point K on the sides YZ, ZX, XY respectively. Let the orthogonal projections of the point X on the lines...
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Advanced Mathematics

11/06/15

#### the number of boys varied inversely as the number of teachers and directly as the number or girls squared

When there were 200 boys, there were 10 girls and 20 teachers. How many boys were there when there were 2 teachers and 8 girl?
Please help me understand how to created the equation when they...
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Advanced Mathematics

11/04/15

#### Fox and Bob traveled g miles in x hours.

Then they increased their speed by p miles per hour. How far could they go in ax hours at the new rate?

Advanced Mathematics

10/27/15

#### Acorns varied directly as walnuts and inversely as squirrels squared.

When there were 28 acorns, there were there were 7 walnuts and 3 squirrels. How many acorns were there when there were 4 walnuts but only 2 squirrels?

Advanced Mathematics

10/14/15

#### A cliff measures 85 feet above the sea. The angle of depression of a boat measures 43 degrees from the top. How far is the boat from the base of the cliff?

Advanced Mathematics

Advanced Mathematics

10/13/15

#### Sam strained and strained but could only garner 7 1/8. If this was only 2/7 of what he wanted, how much did he want? Please answer in fraction form

Advanced Mathematics

Advanced Mathematics

07/02/14

#### One bag contains 6 green and 2 white marbles. A second bag contains 7 blue and 4 silver marbles. One marble is drawn from each bag. What is P (green and silver)

Choices are ;
2/11 3/44 3/11
7/44

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