01/20/23

bounce collision

A tennis ball that has a mass of 0.05 kg is rolling east with a velocity of 10 m/s collides with a baseball that has a mass of 0.1 kg that is rolling west with a velocity of 15 m/s. After the... more
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12/15/22

Trigonometry word problem
I have a question in my homework and it asks this, and I’m confused on what the question is asking and how to start. Here’s the question: A bridge is going to be built across a river. To determine... more
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12/01/22

Hi guys. A question for you.
The weight in metres of a ball dropped from the top of the CN tower is given by h(t) = -4.9t^2 + 450 where t is the time in elapses in seconds.-4.9(0)^2 + 450 = 450-4.9(1)^2 + 450= 445.1d) use the... more
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11/22/22

Math Question Max-Min problem
Determine how many apple trees should be planted per hectare to yield the greatest number of apples. If no more than 20 trees are planted per hectare, apple trees grown in Toronto produce 600... more
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11/16/22

Curve Tracing, Find critical Points and solve for points of inflection if any.
y = 4 − 6x + x2so first is to find first derivativey'=-6+2x then y' = 00=-6+2x divide both side by 2 thenx=3to find y substitute x to the equationy= 4- 6(3) + (3)2y= 4 - 18 + 9y= -5then test the... more
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11/07/22

Find the remaining solutions to the polynomial
Given 3i is a solution to f(x)=x^4+2x^3+x^2+18x-72Given 6i+1 is a solution to f(x)=2x^4-9x^3+72x^2-161x-444
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11/04/22

Solving Linear-Quadratic Systems
If a quadratic function is represented by y= kx^2-5x+1 and a linear system is represented by y=4x+k, find the value of k where the two functions will only have one point of intersection.
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10/26/22

how to solve p∧¬q ∨ q∧¬ r∨ ¬p∨r = T
i have tried solving it with associative law in order to prove this equation equal to TRUTH by using associative and I think its solved by distributive but I could not understand it
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10/25/22

A 3 kg object is sliding to the left on a surface with a coefficient of friction of 0.2 at an initial velocity of 15 m/s. Determine the magnitude and direction of the acceleration of this object.
Calculate the acceleration of an object sliding on a flat rough surface (meaning there is friction).
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09/16/22

Limit of function with two variables
lim x2/y2=0(x,y)→(0,0) Prove by defination
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09/12/22

Algebra question I find hard to answer
Let α, β, and γ be the roots of x3 − 4x − 8 = 0. Find the numerical value of the expression[(α + 2) / (α − 2)] + [(β + 2) / (β − 2)] + [(γ + 2) + (γ − 2)]
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09/12/22

Geometry problem
Two squares have integer side lengths in the ratio of 4 : 3. Their intersection is also a square with integer side lengths. If the total area shown on the surface equals 5000 square units, how long... more
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09/12/22

Solve the equation
Solve the equation (2 · 3x)3 + (9x − 3)3 = (9x + 2 · 3x − 3)3
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09/12/22

Algebra Question
Find the sum of all k for which x5 + kx4 − 6x3 − 15x2 − 8k3x − 12k + 21 leaves a remainder of 23 when divided by x + k.
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08/29/22

Family of Topologies
If {Ta} is a family of topologies on X, show that intersection of Ta is a topology on X. Is the union of Ta a topology on X?
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08/28/22

Help needed with physics problem
What is the net electric force on charge B in the figure? Suppose that a = 1.6 cm and b = 0.60 cm.^A | (+) 1.0 nC|||| a||B | (-) -2.0 nC|| b|C| (+) 2.0 nC(Express your answer to two significant... more
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08/19/22

Logic: Syllogism

All sculptors are artists;But some novelists are artists;Therefore, some novelists are sculptors.A. validB. illicit major termC. illicit minor termD. fallacy of four termsE. misplaced middle termF.... more
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09/26/21

Radius increasing sphere Calculus Problem
Helium is pumped into a spherical balloon at a rate of 5 cubic feet per second. How fast is the radius increasing after 2 minutes? Rate of change of radius (in feet per second) = 14400
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01/06/20

Inequalities and logical statements: In a mathematical system, the following two statements relating to real number values for a, b, c, and d are (always) true: a < b and c < d .
Then, Which of the following four statements are therefore always true:I) (a + c) < (b + d) II) |a – c| < |b – d| III) ac < bd IV)... more
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10/10/19

Chinese Remainder theorem
Exercise : Find a number q, which divided by p_i will give remainder q_i for: p_1 = 12, p_2 = 7, q_1 = 4, q_2 = 5.
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05/02/19

What is the difference between “trigonometric geometry” and “geometric trigonometry”?
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06/15/18

Question on expected value
I think my brain is officially fried lol. Any help is greatly appreciated.    A game at a fund-raiser carnival involves throwing a dart at a wall of balloons. If the balloon that is popped has... more
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05/25/18

Do the diagonals of a rhombus intersect at 90 degrees or bisect at 90 degrees?
please answer this question.
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04/20/18

The points (2,9) and (4, 65) lie on the graph of f(x)=2^(ax)+b. What are the values of a and b?
If someone could show me the working behind this I would be very grateful!!!
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04/20/18

if cotA +1/cotA=1 then value of cot^2A +1/cot^2A??????????????
How to find that vaule what are steps involved in it    
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