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206470 Questions
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35
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Polynomial
Consider the polynomials f(x)=1-12x+3x^2-4x^3+6x^4 and g(x)=3-2x-6x^3+9x^4.
Find c such that the polynomial f(x) + cg(x) has degree 3.
Guest
Dec 1, 2021
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48
2
Mr Beast: Answer the question and get 10,000 dollars
4.Mr Suthan lives near a busy street. He has all the windows in his home open and measures the noise level inside as 80 dB. He closes the windows and finds the noise level is 68 dB. By what factor did the intensity of the noise decrease when Mr Suthan
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Guest
Dec 1, 2021
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46
1
Maths
1. Mr Suthan lives near a busy street. He has all the windows in his home open and measures the noise level inside as 80 dB. He closes the windows and finds the noise level is 68 dB. By what factor did
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Guest
Dec 1, 2021
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48
1
Not sure how to solve
how do i solve this using hings like similar/special parts of a triangle? finding ratios and similar triangles? it's due tommorow and i still have no idea how to sovle
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Guest
Dec 1, 2021
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41
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help Algebra
Let f(x) be a polynomial of degree 4 with rational coefficients which has 1 + 2*sqrt(3), 3 - sqrt(3) as roots, and such that f(0) = -154. Find f(1).
Guest
Dec 1, 2021
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34
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Polynomials
Let t(x) = 3x - 8 and s(t(x)) = x^2 + 8x - 2. Find s(1).
Guest
Dec 1, 2021
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38
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Probability
A stck has a length of 5 units. The stick is then broken at two points, chosen at random. What is the probability that all three resulting pieces are shorter than 3 units?
Guest
Dec 1, 2021
0
45
3
Geometry
Let XY be a tangent to a circle, and let XA be a secant of the circle, as shown below. If AX = 15 and XY = 8, then what is AB?
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Guest
Dec 1, 2021
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43
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Help
Angela has deposited into an account that pays interest compounded annually.
Bob has deposited into an account that pays simple annual interest.
In years Angela and Bob compare their respective
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Guest
Dec 1, 2021
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53
1
Counting
In how many ways can 6 girls and 2 boys sit in a row if the 2 boys insist on sitting next to a girl?
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Guest
Dec 1, 2021
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54
1
+463
Algebra
Simplify
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weredumbmaster22
Dec 1, 2021
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32
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Algebra
Solve for x, where x > 0 and -21x^2 -11x + 40 = -x^2 - 23x + 41. Express your answer as a simplified common fraction.
Guest
Dec 1, 2021
0
49
2
Not sure how to proceed
Harry and Meg have some roses. 3/10 of the flowers are red roses, the rest are white roses. Harry gives 50% of the white roses away and buys 17 more red roses. They now have 121 roses in total. How many roses did they have at the start?
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Guest
Dec 1, 2021
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71
1
+463
Find the coordinates of the missing endpoint A if B is the midpoint of AC and C (-5,4) and B (-2,5).
Find the coordinates of the missing endpoint A if B is the midpoint of AC and C (-5,4) and B (-2,5).
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weredumbmaster22
Dec 1, 2021
0
44
4
Geometry QUestion
CD and EF are parallel to AB. They divide the area of PAB into three equal parts. If PE = 1, what is AC? I don't really know how to solve this. Is it similar triangles?
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Guest
Dec 1, 2021
+1
55
2
+191
It has been 1 day and no answer. Please answer ONLY ON THE LINK I WILL GIVE. DO NOT ANSWER HERE
https://web2.0calc.com/questions/question-on-french-fries
PLEASE ANSWER ON THE LINK I GAVE - AND DO NOT ANSWER HERE. OTHERWISE THE MODERATORS WILL BE VERY ANGRY.
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MathyGoo13
Dec 1, 2021
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42
1
Digit problem
An ordered pair of digits (a,b) is such that 4a5, b72 is a multiple of 66. Find a + b .
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Guest
Dec 1, 2021
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67
1
Probability
I have two cubes such that, on each cube, three faces are painted red and three faces are painted white. If I roll each of the cubes once, what is the probability that they will land such that there are two red faces up?
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Guest
Dec 1, 2021
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37
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Domain
Compute the domain of the real-valued function f(x) = sqrt(1 - sqrt(2 + x)).
Guest
Dec 1, 2021
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48
1
how
how do i get better at math
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Guest
Dec 1, 2021
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51
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Algebra
If 725x + 727y = 1500 and 729x - 731y = 1500, what is the value of x + y?
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Guest
Dec 1, 2021
Nov 30, 2021
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34
0
linear equation
find the gradient and the y- intercept point of
a.) the line 3x + 6y = 4
b.) the line 2y - 4x = -8
Guest
Nov 30, 2021
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37
0
Geometry
Find the area of triangle ABC below.
Guest
Nov 30, 2021
0
38
0
Geometry
For the triangle below, let x be the area of the circumcircle, and let y be the area of the incircle. Compute x - y.
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Guest
Nov 30, 2021
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