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Post New Question
All Questions
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229743 Questions
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163
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Algebra
Find a monic polynomial of degree 4, in x, with rational coefficients such that sqrt(2) + sqrt(5) is a root of the polynomial.
Guest
Jan 18, 2022
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269
1
Algebra
What is the ratio of x to y if: (10x - 3y)/(13x - y) = 3/5 ? Express your answer as a common fraction.
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Guest
Jan 18, 2022
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264
1
Algebra
a and b are real numbers and satisfy a*b^2 = 27/5 and a^2*b = 1080. Compute a + 5b.
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Guest
Jan 18, 2022
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229
1
sussy
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Guest
Jan 18, 2022
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207
1
Coordinates
A segment with endpoints at A(2,-2) and B(14,4) is extended through to point C. If BC = AB, what are the coordinates for point C? Express your answer as an ordered pair.
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Guest
Jan 18, 2022
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225
1
Complex Numbers
Find all complex numbers z such that z^2 = .
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Guest
Jan 18, 2022
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203
1
geometry
In triangle ABC, AB = AC = 25 and BC = . Points D, E and F are on sides AB, BC and AC respectively, such that DE and EF are parallel to AC and AB respectively. What is the perimeter of parallelogram ADEF?
read more ..
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Guest
Jan 18, 2022
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384
14
+189
Pls help if possible
Calculate sin([arccos(-1/9)]/2) and put the answer as a fraction.
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ImDecentAtMath
Jan 18, 2022
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345
10
+189
Idk how to do this
Calculate
Answer in radians.
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ImDecentAtMath
Jan 18, 2022
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244
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Radicals
Simplify sqrt{28x} * sqrt{15x} * sqrt{20x}. Express your answer in simplest radical form in terms of x.
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Guest
Jan 18, 2022
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213
1
Probability
A multiple-choice test has 6 questions. Each question has 5 choices and only one of which is correct. If a student guesses the answer for each question find the probability that the students gets exactly four questions correct.
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Guest
Jan 18, 2022
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144
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Function
Suppose the domain of f is (-1,1). Define the function l by l(x) = f((x - 1)/(x - 3)). What is the domain of l?
Guest
Jan 18, 2022
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250
2
I'm confused
If sin(x)=5/13 what is sin(2x)?
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Guest
Jan 18, 2022
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277
2
Yenifer
An item is regularly priced at $70. It is now priced at a discount of 70% off the regular price. What is the price now?
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Guest
Jan 18, 2022
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201
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Counting
How many ways are there to put 4 distinguishable balls into distinguishable boxes?
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Guest
Jan 18, 2022
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202
1
Pls hellp im begging
Calculate
Answer in radians.
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Guest
Jan 18, 2022
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239
1
Pls help, I'm confused
Let be an angle between and such that . Assume that . Then if the terminal point of is then what is ?
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Guest
Jan 18, 2022
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255
2
Algebra
Find all solutions to the equation x^2 - 7x = 38. If you find more than one, then list the values separated by commas.
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Guest
Jan 18, 2022
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282
1
help algebra
Find all solutions to the equation 6x^2 - 31x + 46 = 0. If you find more than one, then list the values separated by commas. If the solutions are not real, then they should be written in a + bi form.
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Guest
Jan 18, 2022
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209
1
help algebra
The quadratic equation 2x^2 + bx + 82 has a double root. Find all possible values of b.
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Guest
Jan 18, 2022
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230
1
help algebra
Let r and s be the roots of x^2 - 6x - 2 = 0. Find (r - s)^2.
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Guest
Jan 18, 2022
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290
2
Inequality
I own a large truck, and my neighbor owns four small trucks that are all identical. My truck can carry a load of at least 800 pounds more than each of her trucks, but no more than of the total load her four trucks combined can carry. Based on these
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Guest
Jan 18, 2022
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231
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geometry
Two rectangles overlap, as shown below. Find the area of the overlapping region (which is shaded)
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Guest
Jan 18, 2022
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175
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math creative
If xy=11 and x-y=5 then
what is the value of x2-y2 ? what is the value of x4-y4 ? Show that xy + 31 = x2-y2
Guest
Jan 18, 2022
0
321
2
PLSSSSS In music, a dotted note has the duration of the original note. What fraction of a whole note is a dotted eighth note? Note: An
PLSSSSS In music, a dotted note has the duration of the original note. What fraction of a whole note is a dotted eighth note? Note: An eighth note is one-eighth of a whole note (as the name suggests).
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Guest
Jan 18, 2022
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