All Questions ⁺⁰211723 Questions

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Need Math help

A fish is caught in a water wheel. A graph of its height (in metres) with respect to the surface of the water over time is shown below.

a) What is the diameter of the water read more ..

DumbDude05 May 13, 2022

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Sinusoidal Functions

Lydia holds the end of a yo-yo string 0.9 metres from the ground and swings the yo-yo in a circle perpendicular to the ground. After 0.5 seconds, the yo-yo is at it’s closest point to the ground, 0.1 metres. After 1 second, the yo-yo is at its farthest read more ..

DumbDude05 May 13, 2022

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+63

Functions

For the following table of data, determine an equation of a cosine function that satisfies the given data.

DumbDude05 May 13, 2022

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trig

Find the value of sin 30 degrees x cos 60 degrees x tan 45 degrees?
Thanks

Guest May 13, 2022

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How do you find a missing dimension for a triangular prism using the volume?

How do you find a missing dimension for a triangular prism using the volume?

Guest May 13, 2022

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Help! Cpill! Melody! Other users!

It takes Mary 30 minutes to walk uphill 1 km from her home to school, but it takes her only 10 minutes to walk from school to her home along the same route. What is her average speed, in km/hr, for the round trip? read more ..

Guest May 13, 2022

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Quadratic

Find the set of values of k for which this equation has two real roots.
5x^2 + 4k*x + k = 3x^2 - 7x + 1
thanks in advance lol

Guest May 13, 2022

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15

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Parabolas

Two parabolas are the graphs of the equations y = 3x^2 + 4x - 5 and y = x^2 + 12. Give all points where they intersect. List the points in order of increasing x-coordinate, separated by semicolons.

Guest May 13, 2022

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Coordinates

Find the area of the quadrilateral formed with vertices at (1,2) (5,8) (8,6), (4,1)

Guest May 13, 2022

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Algebra

Find constants A and B such that
(x + 7)/(x^2 - 4x + 3) = A/(x - 1) + B/(x - 3)
for all x such that x is not equal to 1 and x is not equal to 3. Give your answer as the ordered pair (A,B).

Guest May 13, 2022

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Algebra

Let x and y be real numbers such that 2(x^2 + y^2) = x + y + 18. Find the maximum value of x - y.

Guest May 13, 2022

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Probability

If I choose four cards from a standard -card deck,with replacement, what is the probability that I will end up with all four cards from the same suit?

Guest May 13, 2022

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Travis scores

Travis scored 7 goals in his last 9 soccer games. At this rate, what is the probability that he will get a goal in his next game? Round to the nearest percent.

Guest May 13, 2022

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30

4

Plz help and you are poggers

For what real values of is the square of a binomial?

Guest May 13, 2022

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Number Theory

The greatest common divisor of two integers is (x+8) and their least common multiple is x(x+8), where x is a positive integer. If one of the integers is , what is the smallest possible value of the other one?

Guest May 13, 2022

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geometry

Find BC in the following triangle, to two decimal places.

Guest May 13, 2022

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Number Theory

When the greatest common divisor and least common multiple of two integers are multiplied, the product is . How many different values could be the sum of the two integers?

Guest May 13, 2022

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+55

linear inequalities

What interval consists of all u such that neither 2u nor -20u is in the interval (-infinity, -1) ?

idontknowhowtodivide May 13, 2022

May 12, 2022

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Divisors

How many even divisors does 7! + 6! have?

Guest May 12, 2022

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Sum

Compute \[\frac{1}{2^3 - 2} + \frac{1}{3^3 - 3} + \frac{1}{4^3 - 4} + \dots + \frac{1}{10^3 - 10}.\]

Guest May 12, 2022

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Trapezoid

Trapezoid ABCD has vertices A(-1,0), B(0,5), C(m,3) and D(k,0), with m > 0 and k > 0. The line y = -x + 4 is perpendicular to the line containing side CD, and the area of trapezoid is 34 square units. What is the value of k?

Guest May 12, 2022

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please help a parent

if p is inversely proportional to the square of q, and p is 18 when q is 12, determine p when q is equal to 2

Guest May 12, 2022

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Divisors

If n^2 has divisors, what is the smallest possible value of n?

Guest May 12, 2022

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Quadratic

The quadratic -6x^2+72x+216 can be written in the form a(x+b)^2+c, where a, b, and c are constants. What is a+b+c?

Guest May 12, 2022

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33

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This question is about geometry

Guest May 12, 2022

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