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Post New Question
All Questions
+0
231045 Questions
0
320
1
The positive difference between two consecutive odd perfect squares
The positive difference between two consecutive odd perfect squares is 338. Compute the larger of the two squares.
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Guest
Feb 16, 2021
0
344
1
calc question about rotating around the axis
Hello, I asked a question the other day and thank you for the responses
I have a new question which I think I am right on but the website says is incorrect,
read more ..
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Guest
Feb 16, 2021
0
410
1
btw im not that good in math
how to make 1 and 2 thirds
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Guest
Feb 16, 2021
0
232
0
Vectors Help
Hello,
Could you please help on proving the following:
If s,r are vectors and they are perpendicular; then, if r= (x,y) then s=(-y,x)
(These are supposed to be column vectors but couldn't find it here.
read more ..
Guest
Feb 16, 2021
0
426
1
varitions
if r is 12 when s is 13,find r which s is 15
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Guest
Feb 16, 2021
0
387
2
pyramid geometry
Let be a rectangular prism, where , , and . Find the volume of pyramid
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Guest
Feb 16, 2021
0
490
1
Three printing presses, R, S, and T
Three printing presses, R, S, and T, working together at their respective constant rates, can do a certain printing job in 4 hours. S and T, working together at their respective constant rates, can do the same job in 5 hours. How many hours would it take
read more ..
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Guest
Feb 16, 2021
0
519
1
triangle ABC
Find the area of a triangle with vertices A(3, 1), B(2, -1), and C(-2, 1). Leave your answer in decimal form, rounded to the nearest hundredth.
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Guest
Feb 16, 2021
0
368
1
word problem
There are 40 students in a class. Each girl is given 5 books and each boy is given 4 books. The girls have 65 more books than the boys. How many more girls than boys are there in the class?
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Guest
Feb 16, 2021
+1
399
2
+501
Difference of Squares
If $-5\leq a \leq -1$ and $1 \leq b \leq 3$, what is the least possible value of $\displaystyle\left(\frac{1}{a}+\frac{1}{b}\right)\left(\frac{1}{b}-\frac{1}{a}\right) $? Express your answer as a common fraction.
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ellapow
Feb 16, 2021
+1
393
1
arithmetic progression
The fifth term of an arithmetic progression is three times the second term,and the third term is 10.find the 20th term?
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Guest
Feb 16, 2021
0
958
1
A baseball team played 154 regular season games.
A baseball team played 154 regular season games. The ratio of the number of games they won to the number of games they lost was 4/3. How many games did they win? How many games did they lose?
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Guest
Feb 16, 2021
0
479
3
Solve for the value of x
Solve for the value of x
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Guest
Feb 16, 2021
0
507
1
help with circle
In circle H with m \angle GHJ= 90m∠GHJ=90 and GH=20 units, find the length of arc GJ.
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Guest
Feb 16, 2021
0
414
2
need help
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
Feb 16, 2021
0
1031
2
arc of circle
In circle M with angle LMN = 60 and LM = 15 units, find the length of arc LN. Round to the nearest hundredth.
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Guest
Feb 16, 2021
0
722
8
Help please
1. Find all integers a for which the polynomial ax^2-8x+3=0 has an integer root.
2. The ellipse (x^2/49)+(y^2/b^2)=1. has foci at (5, 0) and (-5, 0).
2(a), find the length of the semi-major axis of this ellipse.
2(b). compute the
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Guest
Feb 16, 2021
0
399
1
it's geo
Given LE || MH, UV = EH = OU, and lengths shown.
Find VT.
read more ..
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Guest
Feb 16, 2021
0
330
1
interest rates
Pranav invests 1,187 in a savings accountwith a fixed annual interest rate compounded 4 times per year. After 12 years, the balance reaches 3,453.74. What is the interest rate of the account?
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Guest
Feb 16, 2021
+1
461
1
+501
Help Please
Factor the following expression: $7x^2-63$.
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ellapow
Feb 16, 2021
0
280
1
help plz
Two circles of radius r fit inside a square of side length s. Find r in terms of s, and then find the area of the shaded region in terms of s.
read more ..
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Guest
Feb 16, 2021
0
371
2
+147
Range
The range of the function $g(x) = \frac{2}{2+4x^2}$ can be written as an interval $(a,b]$. What is $a+b$?
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powclaire
Feb 16, 2021
-1
329
0
+1679
help with quadratic
A soccer ball is kicked from the ground with an initial upward velocity of 90 feet per second, The equation h = 16t^22 + 90t gives the height h of the ball after t seconds.
Give the domain and range of function
wiseowl
Feb 16, 2021
Feb 15, 2021
0
263
1
Please Help
Given that 13^(-1) = 29 (mod 47), find 34^(-1) (mod 47), as a residue modulo 47. (Give a number between 0 and 46, inclusive.)
Please Help.
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Guest
Feb 15, 2021
0
1219
1
quadratic
An apple is launched directly upward at 64 feet per second from a platform 80 feet high. The equation for this apple's height h at time t seconds after launch is h = -16t^2 + 64t + 80.
a. What is the height of the apple after 3 seconds?
read more ..
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Guest
Feb 15, 2021
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