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234931 Questions
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259
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Just help
https://web2.0calc.com/questions/mathematics_55
Guest
Sep 27, 2021
0
334
1
Algebra
Write a^4 - 5a^2 + 6 as a product of two monic quadratics with integer coefficients.
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Guest
Sep 27, 2021
0
235
0
Calculator that doesn't answer
It couldn't find an answer to (e^((-x^2)/2))/sqrt(2*pi)=0.1725*(x+2)+0.054.
Guest
Sep 27, 2021
0
208
0
Logarithms
Find the constant k so that $\log_y (x^2) = k \log_y x$ for all positive real numbers x and y with $y \neq 1$.
Guest
Sep 27, 2021
0
214
0
Algebra
Two parabolas are the graphs of the equations y=2x^2-10x-10 and y=x^2-4x-8. Find all points where they intersect. List the points in order of increasing x-coordinate, separated by semicolons.
Guest
Sep 27, 2021
0
258
1
halp?
There are students in South High School. South High School offers only Chinese and Spanish. There are more students in Chinese than in Spanish, and every student takes at least one language. If students take only Spanish,
read more ..
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Guest
Sep 27, 2021
0
197
0
Geometry
Given right triangle ABC with altitude BD drawn to hypotenuse AC. If AC=20 and DC=15,, what is the length of BC? (Note: the figure is not drawn to scale.)
Guest
Sep 27, 2021
0
254
1
help geometry
Given right triangle ABC with altitude BD drawn to hypotenuse AC. If AD=4 and DC=4, what is the length of BD? (Note: the figure is not drawn to scale.)
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Guest
Sep 27, 2021
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222
0
Math
Use
S=n2 to find the sum of 1+3+5+. . . + 301.
Guest
Sep 27, 2021
0
251
1
MATH
Use the formula S
=n(n + 1)2
to find the sum of 1 + 2 + 3 + ... +
900.
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Guest
Sep 27, 2021
0
341
1
+24
What is the Value or [AEF]?
For a triangle XYZ, we use [XYZ] to denote its area.
Let ABCD be a square with side length 1. Points E and F lie on line BC and line CD, respectively, in such a way that angle EAF=45 degrees If [CEF]=1/9, what
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genericnamealias
Sep 27, 2021
0
553
1
What does s=3f-24= solve for f
What does s=3f-24= solve for f
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Guest
Sep 27, 2021
0
266
1
Triangles
In the diagram below, we have AB || DE, AC = 9, CE = 6, and BD=20. Find CD.
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Guest
Sep 27, 2021
0
208
0
help with math
Find the constant term in the expansion of (2x - 1/x)^8.
Guest
Sep 27, 2021
0
304
1
Coordinates
What is an equation of the line that is perpendicular to the line y = -2/3*x - 1 and passes through the point (-4,2)?
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Guest
Sep 27, 2021
0
340
1
Proportion
Suppose a is directly proportional to b, but inversely proportional to c. If a = 3 when b = 5 and c =9, then what is c when b=3 and a = 4?
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Guest
Sep 27, 2021
0
353
1
Exponents
What is the value of 4^{10} * 8^{20} * 16^{30}? Express your answer in the form a^b, where a and b are positive integers such that a is the least possible positive integer.
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Guest
Sep 27, 2021
0
340
1
Probability
a is chosen from the set {1,2,3,4} and b is chosen from the set {5,6,7,8,9,10}. what is the probability that the product ab is a prime number
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Guest
Sep 27, 2021
0
347
1
Please solve the problem
The ratio of the number of shirts to the number of caps that Remus had was in the ratio 8:5. The cost of each shirt was $20 while the cost of each cap was $4. The total cost of all the items was $900. How many caps did Remus have at first?
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Guest
Sep 27, 2021
0
343
2
Help
Adam and Hassan had same stamps. If Hassan gave 80 stamps to Adam, Adam would have twice as many stamps as Hassan. If Hassan gave 110 stamps to Adam, Adam would have thrice as many stamps as Hassan. How many stamps did both have altogether?
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Guest
Sep 27, 2021
0
359
1
MPH question
Sir Edwyn is a brave knight on a quest to save the fair Isabella from a wicked baron. It is of utmost importance that he arrive at the baron’s castle at exactly the correct time. He has calculated that if he rides his bicycle at 10 mph he will arrive one
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Guest
Sep 27, 2021
0
286
0
JP=3y+1, PK=12y-4, JK=75
Find the value of the variable if P is between J and K.
JP=3y+1, PK=12y-4, JK=75
Guest
Sep 27, 2021
0
387
1
Integration and Area under curve
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Guest
Sep 27, 2021
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