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Post New Question
All Questions
^{+0}
184527 Questions
0
46
1
Help! I don't know what to do!
Consider the following statement: Let f be a function, such that for all a and b in the domain of f, f(a)=f(b) implies a=b. Then the function f has an inverse.
Is this statement true or false?
Thank you so
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Guest
Nov 20, 2020
+1
146
1
+277
Help. I don’t know what to do.
Find a polynomial q(x) such that (x+1)^3+x^2*q(x) has degree less than 2.
I don't know where to start so can someone give me a place where to solve. I don't need answers because then I can solve it by myself.
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MobiusLoops
Nov 20, 2020
0
55
2
Two positive integers and are chosen
Two positive integers m and n are chosen such that m is the largest positive integer less than 100 with only two positive divisors and n is the smallest integer with exactly three positive divisors. What is m + n?
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Guest
Nov 20, 2020
0
147
3
+73
Chris I have a question for you.
So this problem, find all integers $n$ such that the quadratic $7x^2 + nx - 11$ can be expressed as the product of two linear factors with integer coefficients.
Hint : Write $7x^2 + nx - 11 = (Ax + B)(Cx + D).$
So we determined
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MathzSolver111
Nov 20, 2020
0
59
1
TRUE OR FALSE
1 + cot^2 (x) = [4 cos^2 (x) / (sin^2 (2x))]
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Guest
Nov 20, 2020
0
61
1
TRUE OR FALSE
The equation arcsec(0.5) = 2x has no solution
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Guest
Nov 20, 2020
0
54
0
+293
need help asap please
sin^4(x)
Cdortch
Nov 20, 2020
0
47
1
least common multiple
The least common multiple of 1!+2!+3!, 2!+3!+4!, 3!+4!+5!, 4!+5!+6!, 5!+6!+7!, 6!+7!+8!, 7!+8!+9!, and 8!+9!+10! can be expressed in the form a*b!, where a and b are integers and b is as large as possible. What is a+b?
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Guest
Nov 20, 2020
0
59
1
A cook has 10 red peppers and 5 green peppers.
A cook has 10 red peppers and 5 green peppers. If the cook selects 8 peppers at random, what is the probability that he selects at least 4 green peppers? Express your answer as a common fraction.
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Guest
Nov 20, 2020
0
49
1
question
The directors of a company have voted to establish a fund that will pay a retiring accountant or his estate $1,000 per month for the next 10 years, with the first payment to be made a month from now. How much should be placed in the fund if it earns interest
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Guest
Nov 20, 2020
0
39
1
number theory
How many even perfect square factors does 2^4*5^5 have?
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Guest
Nov 20, 2020
0
77
2
+57
Sum Math
Find the unique pair of real numbers satisfying .
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Divineology
Nov 20, 2020
+1
71
1
+293
trigonometry
help
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Cdortch
Nov 20, 2020
+1
67
1
+293
can anybody please help trigonometry?
help
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Cdortch
Nov 20, 2020
+2
67
1
+293
help please
help me please
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Cdortch
Nov 20, 2020
+2
66
1
+293
trigonometry help please
help
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Cdortch
Nov 20, 2020
+2
71
4
+153
Can anyone help with this equation?
Consider the system of equations
\begin{align*}
5x + y &= 31, \\
-3x + 4y &= -37.
\end{align*}
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Thanks4helping
Nov 20, 2020
-1
43
0
In a class of 28 students, the teacher selects four people at random
In a class of 28 students, the teacher selects four people at random to participate in a geography contest. What is the probability that this group of four students includes at least one of the top three geography students in the class? Express your answer
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Guest
Nov 20, 2020
0
44
0
what is -3/12 to a degress sign
what is -3/12 to a degress sign
Guest
Nov 20, 2020
+1
64
2
+153
Factor problem any help would be appriciated!
Factor the following
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Thanks4helping
Nov 20, 2020
+2
65
1
+293
trig
help, please.
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Cdortch
Nov 20, 2020
+1
46
0
+293
trig
help please.
Cdortch
Nov 20, 2020
+1
41
0
+293
trig
help
Cdortch
Nov 20, 2020
+1
65
2
+467
please help-math
What is the constant term of the expansion of
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dududsu2
Nov 20, 2020
+2
77
1
+293
Use an Addition or Subtraction Formula to simplify the equation.
Use an Addition or Subtraction Formula to simplify the equation.
cos(𝜃) cos(2𝜃) + sin(𝜃) sin(2𝜃) = 1/2
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Cdortch
Nov 20, 2020
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