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Post New Question
All Questions
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229721 Questions
+1
668
3
help
Find the smallest possible value of (n^2 + 3n + 19)^2, if n is an integer.
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Guest
Nov 22, 2019
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727
2
why did my question get deleted
my question got deleted, why
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Guest
Nov 22, 2019
0
549
3
help
When an orchestra plays a national anthem, its musicians are ordered in a square. When the orchestra plays any other song, the musicians are ordered in a rectangle such that the number of rows increases by five. What is the number m of musicians in the
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Guest
Nov 22, 2019
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1094
2
Fun Math Bike Question
Bobby's Bike Shack orders tires each week for its two-wheel bikes and three-wheel bikes. They order tires for all 47 of their bikes this week. If they ordered 112 tires, how many two-wheel bikes does the Bike Shack have?
For this
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Guest
Nov 22, 2019
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607
2
help
If x + sqrt(xy) + y = 9 and x^2 + xy + y^2 = 27, find x - sqrt(xy) + y.
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Guest
Nov 22, 2019
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1374
1
If the system of equations\begin{align*}2x-y&=a,\\3y-6x &=b.\end{align*}has a solution, find $\frac{a}{b},$ assuming $b \neq 0.$
If the system of equationshas a solution, find a/b, assuming b is not 0.
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Guest
Nov 22, 2019
0
1486
2
Laura will have seven test scores at the end of the semester. Each of the scores is a positive integer less than or equal to $100$. Her firs
Laura will have seven test scores at the end of the semester. Each of the scores is a positive integer less than or equal to $100$. Her first five scores are $80, 83, 87, 94$ and $96$. How many different values are possible for the median of her seven scores?
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Guest
Nov 22, 2019
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672
1
help
Suppose that a, b, c are distinct numbers such that (b - a)^2 = 4(b - c)(c - a) = 0. Find the value of (b - c)/(c - a).
ElectricPavlov
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Guest
Nov 22, 2019
0
687
2
help
If x^2 + x - 1 = 0, find the value of x^4 - 3x^2 + 3.
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Guest
Nov 22, 2019
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645
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Calculus
Please help with putting the intervals.
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Guest
Nov 22, 2019
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421
1
help
Find the projection of onto if
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Guest
Nov 22, 2019
-2
984
2
+1982
Which of the following most accurately describes how trench warfare affected soldiers during World War I?
Which of the following most accurately describes how trench warfare affected soldiers during World War I?
A. It led to worse conditions for soldiers but helped shorten the war.
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macabresubwoofer
Nov 22, 2019
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421
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Solving Absolute Value Equations
Which number line represents the solutions to |x – 5| = 1?
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Guest
Nov 22, 2019
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406
1
help
Which is larger, 99^{50} + 100^{50} or 101^{50}? Show all your steps!
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Guest
Nov 22, 2019
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678
4
Computing this equation into my calculator?
I'm trying to compute 1.45E-03e^0.0207x = y into my calculator, where x = 10, but I keep on getting an ERROR message.
I cumputed it as so: 1.45E-03e^(0.0207(10)).
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Guest
Nov 22, 2019
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599
1
1 question help
thank you
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Guest
Nov 22, 2019
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1125
1
Noise
In a particular factory, the ambient noise has a loudness of 100 dB. If prolonged exposure to a loudness of 85 dB can cause permanent damage, how much more intense is the factory than the damage threshold?
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Guest
Nov 22, 2019
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579
2
help
How many rectangles are there in a chessboard ?
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Guest
Nov 22, 2019
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883
1
you deposit 1600 in a bank account. Find the balance after 3 years if the account pays 4% annual interest
you deposit 1600 in a bank account. Find the balance after 3 years if the account pays 4% annual interest
off-topic
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Guest
Nov 22, 2019
0
770
2
The function f : \mathbb{R} \to \mathbb{R} satisfies \[f(x) + 2f(1 - x) = 3x^2\]for all x. Find f(4).
The function satisfies for all . Find .
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Guest
Nov 22, 2019
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726
5
Challenge problem!
Solve for x
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Guest
Nov 22, 2019
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659
1
help
PQRS is a square. T lies on PQ so that PT:TQ = 1:2. U lies on SR so that SU:UR = 1:2. The perimeter of PTUS is 40. What is the area of PTUS?
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Guest
Nov 22, 2019
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