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Post New Question
All Questions
+0
230605 Questions
+1
273
1
+5
Brad can type 1260 words in 1212 hour. What is Brad’s average typing rate in words per minute?
Brad can type 1260 words in 1212 hour. What is Brad’s average typing rate in words per minute?
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bradmaster12
Dec 10, 2021
0
227
2
Math is fun
Sarah has 600 quarters and dimes in her piggy bank which totals $123.75. How many quarters does she have?
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Guest
Dec 10, 2021
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282
0
What is the vector that results from transforming vec a by the transformation matrix?
What is the vector that results from transforming vec a by the transformation matrix?
a=[5] and B=[2 -6]
[-3]. [8 -1]
read more ..
Guest
Dec 10, 2021
0
192
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coordinates
Let P be the point (0,5), let Q be the point (6,9), and let R be the point (10,0). Determine the area of triangle PQR.
Guest
Dec 10, 2021
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178
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Quadrilateral
The angles of a quadrilateral are x, 5x + 15 degrees, 3x - 25 degrees, and 4x - 30 degrees. Find the measure of the largest angle of the quadrilateral.
Guest
Dec 10, 2021
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177
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Algebra
Suppose
x/(x^3 - x^2 - 21x + 45) = A/(x + 5) + B/(x - 3) + C/(x - 3)^2
read more ..
Guest
Dec 10, 2021
0
280
1
help pls
how many sequences x_1,x_2,x_3,...,x_7 can be formed in which all the x_i are integers greater than 0 and less than 6, and no two adjacent are equal
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Guest
Dec 10, 2021
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463
4
Infinite Sum. Can I get some help? I already made some progress but I dont know how to continue
Let
Then can be expressed in the form where and are positive integers. Find the smallest possible value of .
So far I know that a general expression for each factor is 5^(n/5^n)
read more ..
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Guest
Dec 10, 2021
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297
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Polynomials
Find the constant coefficient when the polynomial 3(x - 4) + 2(x^2 - x + 7) - 5(x - 1) - 3(x^3 - 7x^2 + 5x - 1) + 2(x - 4) is simplified.
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Guest
Dec 10, 2021
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270
1
Function
If f(x)=g(g(x))-g(x) and g(x)=2x+1, find f(3).
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Guest
Dec 10, 2021
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293
1
Polynomials
Find the coefficient of x when (7+8x)-3(2+6x+2x^2)+8(1+3x+4x^2+12x^3)+9(7-x^2-8x^3+13x^4) is simplified.
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Guest
Dec 10, 2021
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292
2
SolvingRightTriangles-InverseTrig
If AB has length 4 and AC has length 4, in a right triangle, what is the measure of angle B and C in degrees?
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Guest
Dec 10, 2021
+1
287
3
+7
Help
In the sum of triangle PQR and angle P is angle Q is 60 What is the measure of angle R
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EliMan123
Dec 10, 2021
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307
2
Polynomials
If f(x) is a polynomial of degree 3, and g(x) is a polynomial of degree 6, then what is the degree of polynomial 2f(x) + 4g(x)?
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Guest
Dec 10, 2021
Dec 9, 2021
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233
1
3d geometry
A regular tetrahedron is a triangular pyramid in which each face is an equilateral triangle. If the height of a regular tetrahedron is 20 inches then what is the volume of the tetrahedron?
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Guest
Dec 9, 2021
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292
1
3d geometry
Rectangle ABCD is the base of pyramid PABCD. If AB = 8, BC = 4, and the height of the pyramid is 6, then what is the volume of PABCD?
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Guest
Dec 9, 2021
+11
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488
21
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Polynomials
Let be a polynomial of degree 5 such that for . Find
abcdefghijklmnopqrst
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abcdefghijklmnopqrst
Dec 9, 2021
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282
1
Algebra
Simplify (1+3+5+...+199+201+203)/(2+4+6+...+200+202+204).
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Guest
Dec 9, 2021
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284
1
Algebra
Suppose that for some a,b,c we have a+b+c = 6, ab+ac+bc = 5 and abc = 12. What is a^3+b^3+c^3?
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Guest
Dec 9, 2021
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302
1
Complex series
Evaluate 1 + i/2 + 1/4 + i/8 + 1/16 + i/32 + ... (where i is the imaginary unit). Express your answer in the form a+bi, where a and b are real.
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Guest
Dec 9, 2021
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310
2
math triangles
2x - 73 + 11 = 180
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Guest
Dec 9, 2021
0
284
1
help polynomials
There is a polynomial which, when multiplied by x^2 + 2x + 3, gives 2x^5 + 3x^4 + 5x^3 + 2x^2 + 9x + 9. What is that polynomial?
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Guest
Dec 9, 2021
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296
1
how many solutions
How many solutions? 3x+9-6x(6+8)=7(7+3)
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Guest
Dec 9, 2021
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280
1
Counting problem
What is the coefficient of x in (x^4 + x^3 + x^2 + x + 1)^5?
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Guest
Dec 9, 2021
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