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Post New Question
All Questions
+0
230681 Questions
0
1135
7
Help me ples
Below is a magic square, meaning that the sum of the numbers in each row, in each column, and in each of the main diagonals are equal. What is the value of ?
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Guest
Nov 29, 2020
0
431
1
quadratic
For specific positive numbers m and n, the quadratics 16x^2 + 44x + 56 and differ only in their constant term. What is mn?
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Guest
Nov 29, 2020
0
482
2
+133
Please help!
Prove the trigonometric identity. secx sinx/ tanx+cosx=sin^2x
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Spring
Nov 29, 2020
0
512
1
Find the constant a such that (x^2 - 3x + 4)(2x^2 +ax + 7) = 2x^4 -11x^3 +30x^2 -41x +28
Find the constant a such that (x^2 - 3x + 4)(2x^2 +ax + 7) = 2x^4 -11x^3 +30x^2 -41x +28
Thank you!
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Guest
Nov 29, 2020
0
984
1
counting
A teacher wants to arrange 3 copies of Introduction to Geometry and 4 copies of Introduction to Number Theory and 2 copies of Introduction to Algebra on a bookshelf. In how many ways can he do that?
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Guest
Nov 29, 2020
0
517
1
Find g(x), with terms in order of decreasing degree, if we have that 8x^4-7x^2+8x-7+g(x)=x + 1
Find g(x), with terms in order of decreasing degree, if we have that 8x^4-7x^2+8x-7+g(x)=x + 1
thx
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Guest
Nov 29, 2020
0
272
1
Help pls
The slope of a line is and its -intercept is What is the -intercept point of the line? Express your answer as an ordered pair.
Pls help, thanks!
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Guest
Nov 29, 2020
0
429
1
help me its a linear equation
Solve for :
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Guest
Nov 29, 2020
0
406
1
help me
Solve for : . Express your answer as a common fraction in simplest form.
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Guest
Nov 29, 2020
0
443
1
help
Which of the following, when rounded to the nearest hundredth, does not round to 65.14?
A) 65.141
B) 65.138
C) 65.1339999
D) 65.1401 <#> E) 65.14444 <#>
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Guest
Nov 29, 2020
0
392
1
counting
Three schools have a chess tournament. Four players come from each school. Each player plays two games against each player from the other schools, and plays one game against each other player from his or her own school. How many games of chess are played?
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Guest
Nov 29, 2020
0
436
1
How many three-digit whole numbers
How many three-digit whole numbers have no 7's and no 9's as digits, and are even?
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Guest
Nov 29, 2020
0
369
1
trig
In the diagram below, we know tan theta = 1/2. Find the area of the triangle.
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Guest
Nov 29, 2020
0
688
1
+27
Identify points , lines , and rays -Quiz , level D ?////help urgent ?????
what is another name for line QR
<—>
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Afton
Nov 29, 2020
+1
994
1
+27
help know?????
Booker owns 85 video games . He has 3 shevles to put the games on. Each shelf can hold 40 video games.
How many video games deos he have room for?
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Afton
Nov 29, 2020
+1
619
2
Andrew knows that exactly two of the equations and
Andrew knows that exactly two of the equations and
are true. What is the value of X
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Guest
Nov 29, 2020
+1
313
1
Help
Solve for : .
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Guest
Nov 29, 2020
+1
455
4
Solve for N I Need help :(
Solve for n: n√n= 4√2.
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Guest
Nov 29, 2020
+1
421
3
I NEED HELP PLZ
Solve for n: n√n=2√4. Justify your work with a written explanation.
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Guest
Nov 29, 2020
+1
631
1
In triangle GHI
In triangle GHI, we have GH = HI = 25 and GI = 40.
(a) What is sin GIH?
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Guest
Nov 29, 2020
0
383
1
acute angle
Let A be an acute angle such that sin 4A = sin 5A. What is the smallest possible measure of A in degrees?
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Guest
Nov 29, 2020
0
383
1
help with triangular numbers
For all positive integers , the th triangular number is defined as . What is the greatest possible value of the greatest common divisor of and ?
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Guest
Nov 29, 2020
0
385
0
Chill this one for you,jk
On a 5 by 5 grid of dots, one square is shown in the diagram. Including this square, how many different sizes of squares can be formed using four dots of this array as vertices.
Guest
Nov 29, 2020
0
370
1
help with graph
The equation y = (x + A)/(Bx + C), where A,B, and C are integers, is shown below. What is A + B + C?
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Guest
Nov 29, 2020
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