All Questions ⁺⁰236397 Questions

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Graphing

Given that the point (9,7) is on the graph of y = f(x), there is one point that must be on the graph of y = f(3x). What is the sum of coordinates of that point?

Guest May 6, 2022

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A man walked a certain distance at a constant rate. If he had gone 1/2 mile per hour

A man walked a certain distance at a constant rate. If he had gone 1/2 mile per hour faster, he would have walked the distance in four-fifths the time; if he had gone 1/2 mile per hour slower, he would have been 5/2 hours longer on read more ..

Guest May 6, 2022

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292

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Functions

Let f(x) = x^2 - 2x. What is the value of f(f(f(-7)))?

Guest May 6, 2022

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Complex Numbers

Hi, could someone please help with this question?
We are given two complex numbers, after I sketched them on the argand diagram i did the following:
-----> (Vectors) read more ..

MaxWong ●●●●

Guest May 6, 2022

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trig

In triangle XYZ, we have angle X = 90 and tan Y = 3/2. If YZ = 80, then what is XY?

Guest May 6, 2022

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help coordinates

Let A=(10,-10) and O=(0,0) Determine the sum of all x and y-coordinates of all points Q on the line such that angle OQA =

Guest May 6, 2022

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DON'T TELL ME ANSWER

In triangle ABC, M is the midpoint of line segement AB Let D be the point on line segment BC such that line segment AD bisects angle BAC, and let the perpendicular bisector of line segment AB intersect line segment AD at E. If AB = 44, AC = 30, and ME = read more ..

Guest May 6, 2022

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Derivative of the volume of a cone, given numbers

I solved the following problem myself:
"The radius r(t) of a cone is increasing at a rate of 3 centimeters per second and the height h(t) of the cone is decreasing at a rate of 4 centimeters per second. At a certain instant t_0, the radius is 8 read more ..

Guest May 6, 2022

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Parabola

The area of the triangle formed by points of intersection of parabola y=a(x-3)(x+2) with the coordinate axes is 12. Find a if it is known that parabola opens upward.

Guest May 6, 2022

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geometry

Guest May 6, 2022

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help geometry

Guest May 6, 2022

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282

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Help

The diameter of a circle is 2 millimeters.What is the circle's area?
Use 3.14 for 𝜋.

Guest May 6, 2022

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298

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Sum

The sum of the first n positive even integers is . compute the value of n.

Guest May 6, 2022

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CPHILL I NEED HELP

https://web2.0calc.com/questions/algebra_44333

Guest May 6, 2022

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245

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help exponents

How many different numbers between 1/1000 and 1000 can be written either as a power of 2 or as a power of , where the exponent is an integer?

Guest May 6, 2022

May 5, 2022

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Yesterday Han drove 1 hour longer than Ian at an average speed 5 miles per hour faster than Ian. Jan drove 2 hours longer than

Yesterday Han drove 1 hour longer than Ian at an average speed 5 miles per hour faster than Ian. Jan drove 2 hours longer than Ian at an average speed 10 miles per hour faster than Ian. Han drove 70 miles read more ..

Guest May 5, 2022

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During his morning commute to work in rush hour traffic, Justin's average speed was

During his morning commute to work in rush hour traffic, Justin's average speed was 30 mi/h. During his afternoon commute back home along the same route, his average speed was 60 mi/h. What was his average speed for the entire round read more ..

Guest May 5, 2022

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The Zed Zee courier drove to a location 180 miles away to deliver an urgent package.

The Zed Zee courier drove to a location 180 miles away to deliver an urgent package. The courier's average speed driving from the delivery location back to her starting location was 20 mi/h less than her average speed driving to the read more ..

Guest May 5, 2022

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Statistics

The mean of six numbers is 14. If one of the six numbers is removed, the mean becomes . What is the value of the number removed?

Guest May 5, 2022

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what is the value of csc B

what is the value of csc B

Guest May 5, 2022

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280

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Algebra

Find all x so that 8^(x^2)*4^x=2. Enter all the solutions, separated by commas.

Guest May 5, 2022

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