All Questions

1161

+71

Differentiate

Hey, I just need help with this problem. I'm not sure about the working out, can someone please help me out?
2x5-3x4+6x3-2x2 /3x2

The answer is 2x2-2x+2 read more ..

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Ashreeta Aug 14, 2017

658

Can someone show step by step?

a and b are variables related by the equation ab^3 = 40.
At the instant when a = 5, b is increasing at 1 unit per second.
What is happening to a at this instant?

Guest Aug 14, 2017

895

polar equation

define polar axis symmetry and its tests for the graph r=f(theta)

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Guest Aug 14, 2017

2313

Solve for the following logarithmic functions:

Solve for the following logarithmic functions:
(a) log3 (2x-1) = 2 x = Answer
(b) logx 16 = 2 x = Answer read more ..

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Guest Aug 14, 2017

1016

given that sin(teta)=5/13 vith 0(<=)teta(<=)360. find the value for the following: cos x^-3 sin x=0

given that sin(teta)=5/13 vith 0(<=)teta(<=)360. find the value for the following: cos x^-3 sin x=0
1. tan(teta)
2. cosec(teta)
3. cot(teta) read more ..

Guest Aug 14, 2017

3377

A 4' by 6' by 8' rectangular solid is cut by slicing through the midpoint of three adjacent edges. What is the number of inches in the sum o

A 4" by 6" by 8" rectangular solid is cut by slicing through the midpoint of three adjacent edges. What is the number of inches in the sum of the lengths of the edges of the tetrahedron that is cut? read more ..

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Guest Aug 14, 2017

1114

A person six feet tall walks around the earth. Assuming the earth is a perfect sphere, how many feet farther does the top of this person's

A person six feet tall walks around the earth. Assuming the earth is a perfect sphere, how many feet farther does the top of this person's head travel than the bottoms of his feet? Express your answer in terms of .

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Guest Aug 14, 2017

1004

+77

Geometry

By how many degrees does the measure of an interior angle of a regular octagon exceed the measure of an interior angle of a regular hexagon?

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eileenthecoolbean Aug 14, 2017

Aug 13, 2017

1910

+490

Let $n$ be a positive integer and let $k$ be the number of positive integers less than $2^n$ that are invertible modulo $2^n$. If $2^n\equiv

Let $n$ be a positive integer and let $k$ be the number of positive integers less than $2^n$ that are invertible modulo $2^n$. If $2^n\equiv 3\pmod{13}$, then what is the remainder when $k$ is divided by $13$?

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RektTheNoob Aug 13, 2017

1535

+490

Let $m$ and $n$ denote the greatest and least positive three-digit multiples of 7, respectively. What is the value of $m + n$ ?

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RektTheNoob Aug 13, 2017

1771

+490

What is the slope of the line that is tangent to a circle at point (5,5) if the center of the circle is (3,2)? Express your answer as a comm

What is the slope of the line that is tangent to a circle at point (5,5) if the center of the circle is (3,2)? Express your answer as a common fraction.

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RektTheNoob Aug 13, 2017

2005

+490

In a lottery, a ticket costs $\$3$, and the jackpot is worth $\$250000$. In all, $100000$ tickets are sold, one ticket is randomly drawn

In a lottery, a ticket costs $\$3$, and the jackpot is worth $\$250000$. In all, $100000$ tickets are sold, one ticket is randomly drawn, and the winner is awarded the jackpot. What are the expected winnings in dollars of buying one ticket (including the read more ..

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RektTheNoob Aug 13, 2017

1514

+490

Determine the number of integers $x$ such that $0\le x< 12$ and $x$ satisfies the following system of equations:

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RektTheNoob Aug 13, 2017

564

Polar form helppppp!!!!!1

Write -5R+12U in Polar form

Guest Aug 13, 2017

1033

+753

Help!!!!!

The function f(x) = ax^r satisfies f(2) = 1 and f(32) = 4. Find r.

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MIRB16 Aug 13, 2017

811

powers

how do i apply powers

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Guest Aug 13, 2017

888

if xy=x-(yx)-y, find

if x*y=x-(y*x)-y, find
(a) (-3)*(-5) (b) (-5)*(-3) (c)
From the above results, state if x*y=y*x.

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Guest Aug 13, 2017

866

How do dis?

W = 20e-kt

Find dW/dt
read more ..

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Guest Aug 13, 2017

571

How to

This number is my sum

Guest Aug 13, 2017

Aug 12, 2017

1681

halp

Eight cubes form the figure shown.
[asy]
import solids;
currentprojection=orthographic(4,2.5,2.5);
triple A=(0,0,0), B=A+Y, C=B+Y, D=C+Y, E=D+Z, F=D+2Z, G=D+3Z, H=C+3Z,I=B+3Z,J=A+3Z,K=A+2Z,L=A+Z;
triple J2 = J-X, G2=G-X, D2=D-X; <#> draw(A--D--G--J--A^^L--E^^K--F^^B--I^^C--H); <#> draw(J--J2^^G--G2^^D--D2^^J2--G2--D2^^I--I-X^^H--H-X^^F--F-X^^E--E-X); <#> draw((0,1,1)--(-1,1,1)^^(-1,1,1)--(-1,1,1.38)^^(-1,1,1)--(-1,1.38,1)); <#> [/asy] read more ..

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Guest Aug 12, 2017

907

negative nine minus negative four equals ?

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Guest Aug 12, 2017

2691

Help

Susie Q has 1000 dollars to invest. She invests some of the money at the Pretty Penny Bank, which compounds annually at 3 percent. She invests the rest of the money at the Five and Dime Bank, which compounds annually at 5 percent. After two years, Susie read more ..

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Guest Aug 12, 2017

2168

+171

complete the table for each function

f(x)=x^2
x 0 +-1 +-2 +-3 y 2. g(x)=-2x^2

3. h(x)=(1/(4))x^2 read more ..

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BOSEOK Aug 12, 2017

All Questions ⁺⁰237641 Questions

Differentiate

Can someone show step by step?

polar equation

Solve for the following logarithmic functions:

given that sin(teta)=5/13 vith 0(<=)teta(<=)360. find the value for the following: cos x^-3 sin x=0

A 4' by 6' by 8' rectangular solid is cut by slicing through the midpoint of three adjacent edges. What is the number of inches in the sum o

A person six feet tall walks around the earth. Assuming the earth is a perfect sphere, how many feet farther does the top of this person's

Geometry

Let $n$ be a positive integer and let $k$ be the number of positive integers less than $2^n$ that are invertible modulo $2^n$. If $2^n\equiv

Let $m$ and $n$ denote the greatest and least positive three-digit multiples of 7, respectively. What is the value of $m + n$ ?

What is the slope of the line that is tangent to a circle at point (5,5) if the center of the circle is (3,2)? Express your answer as a comm

In a lottery, a ticket costs $\$3$, and the jackpot is worth $\$250000$. In all, $100000$ tickets are sold, one ticket is randomly drawn

Determine the number of integers $x$ such that $0\le x< 12$ and $x$ satisfies the following system of equations:

Polar form helppppp!!!!!1

Help!!!!!

powers

if xy=x-(yx)-y, find

How do dis?

How to

halp

negative nine minus negative four equals ?

Help

complete the table for each function

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