09/17/18
a, b and c are three different positive integers. What is the smallest possible value of a2b3c?
This is a power and indices problem from a collins connect textbook (GCSE Frameworking Edexcel)
09/17/18
Find a second-degree polynomial P such that P(1) = 2, P'(1) = 5, and P''(1) = 8.
I am supposed to find a second degree polynomial, but I don't understand where I am supposed to start.
09/16/18
This is a challenge problem in my Honors Algebra II class. I need to understand how to configure this problem so that I can solve it.
Two people are on a 1-mile long track. One is walking clockwise at 3 mph, and the other is running at 8 mph counter clockwise. If they are together when they start in how many minutes will they meet?
09/16/18
Find a point on the y-axis that is equidistant from the points (6, −6) and (3, 3).
Find a point on the y-axis that is equidistant from the points (6, −6) and (3, 3).
2 pipes are used to fill pool. 1st pipe can fill the pool 6 hrs alone. two pipes can fill in 3 hrs less time than 2nd pipe. how long it will take for 2nd pipe?
kindly help meeee. I'm reviewing this for my college entrance test. please help
09/16/18
I wanted to know how to reduce 3x3 matrix into diagonal form
Matrix is-
1st row
1 2 -2
2nd row
1. 2. 1
3 row
-1 -1 0
09/15/18
how can you find the range of the function with domain {−3, 1, 4.5}? f(x) = 2x2
I dont understand how to find the range I get really stuck on these problems
09/15/18
Find a unit vector in the xy plane that is perpendicular to a=3i-5j+k
Please show to the details step
09/15/18
Write the coordinates of the vertices after a reflection across the line y = 2. P(-1, -4)=? Q(4, -4)=? R(8, -1)=? S(3, -1)=?
Need graph paper
09/15/18
A metallic pipe is 0.7cm thick. Inner radius of the pipe is 3.5cm and length is 5dm.Find it's total surface area.
It's a mensuration word problem of class 8th. Here we have to find total surface area of the metallic pipe.
09/14/18
finding average speed
kester and sam cycle from the same place at the same time in opposite directions. after 2 hrs, they will be 57 km apart. if they cycle from the same place in the same direction, after 2 hrs they...
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09/14/18
find the perimeter of triangle with vertices A(-7,1), B(-3,1), C(-7,4)
Is there a shorter way to calculate it without using the distance formula each time?
Let f(x) be the piecewise
Let y=f(x) be the piecewise defined function given below. f(x)=⎧⎩⎨⎪⎪−x−1,0,x−1, if x≤−1, if −1<x<1, if x≥1.a. f(−2)= help (numbers) b. f(1)= 0 help (numbers) c. For what values of x is...
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09/14/18
Calculus: Tangent line
Find an equation of the tangent line to the graph of f(x)=1/x^4
a) at (1,1)
b) at (3,1/81)
c) at (-2,1/16)
09/13/18
Word problem for pre calculus.
The function
P= 120+30sin 2(pi)t
models the blood pressure (in millimeters of mercury) for a person who has a (high) blood pressure of 150/90; t represents time in seconds.
C)...
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Find all angles θ between 0° and 180° satisfying the given equation sin(θ) = 1/8
This is a trig question my math teacher gave and i am confused. I thought the answers were 4.2 and 172.8
Problem solving and reasoning
The price of shares in a company named ‘Aspire’ rose and then fell during one day of trade. Trade began at 10 am and closer at 4pm. It was noted that the company’s share price followed the cure P=...
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09/13/18
Find an equation of the tangent line to the curve at the given point.
y = 2x + 4 cos(x), P = (0, 4)
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