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All Questions
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230935 Questions
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194
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trig
In right triangle ABC with angle B = 90 degrees, we have $2\sin A = \tan A$. What is tan A?
Guest
Oct 31, 2021
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228
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HELP PLEASE
How many rectangles are there with vertices within the following grids? Note: the sides of all rectangles should be parallel to the sides of the grid.
c) m*n grid?
Guest
Oct 31, 2021
0
1
399
1
Find f(t) such that the graph of x=f(t) y=4t-3 is the same as the graph of 2x + 3y = 5.
Find f(t) such that the graph of x=f(t) y=4t-3 is the same as the graph of 2x + 3y = 5.
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Guest
Oct 31, 2021
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178
0
Find the value of c such that the point (3,c) is on the graph of the parametric equations x = 6 + 2t, y = -2 +5t its not -19/2
Find the value of c such that the point (3,c) is on the graph of the parametric equations x = 6 + 2t, y = -2 +5t its not -19/2
Guest
Oct 31, 2021
0
159
0
Quadratic
The quadratic 2x^2 - 3x + 29 has two imaginary roots. What is the sum of the squares of these roots? Express your answer as a decimal rounded to the nearest hundredth.
Guest
Oct 31, 2021
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171
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Algebra
If f(x) and g(x) are polynomials such that f(x) + g(x) = -2 + x, then what is g(x) if f(x) = x^3 + 5x - 8?
Guest
Oct 31, 2021
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218
1
Inequality question
Solve $\frac{1}{3} t - 5 < t - 2 \le -3t + 7.$ Give your answer as an interval.
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Guest
Oct 31, 2021
Oct 30, 2021
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171
0
Polynomials
We have that 3f(x) + 4g(x) = h(x) where f(x), g(x), and h(x) are all polynomials in x. If the degree of f(x) is 4 and the degree of h(x) is 6, then what is the minimum possible degree of g(x)?
Guest
Oct 30, 2021
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212
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math problem
Both x and y are positive real numbers, and the point (x,y) lies on or above both of the lines having equations 2x+5y = 10 and 3x+4y = 18. What is the least possible value of 8x+13y?
Guest
Oct 30, 2021
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211
1
Polynomials
Let f(x) = x^14 - 7x^9 - 3x^2 + 2 and g(x) = 2x^14 + 3x^10 - 6x^8 + 2x - 1. Let b be a constant. What is the smallest possible degree of the polynomial f(x) + b*g(x)?
If a is the constant the the largest possible
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Guest
Oct 30, 2021
-1
341
3
+28
Applications: Quadratic Equations
Tyler has a rectangular garden that measures 10 m wide by 13 m long. He wants to increase the area to 208 m² by increasing the width and length by the same amount. What will be the length (longer dimension) of the new garden?
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ora2004
Oct 30, 2021
-1
298
1
+28
Applications: Quadratic Equations
The height of a triangle is 5 m less than its base. The area of the triangle is 42 m². What is the length of the base?
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ora2004
Oct 30, 2021
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369
1
Help
https://web2.0calc.com/questions/need-help-asap_109
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Guest
Oct 30, 2021
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214
1
Trig
In right triangle XYZ with XYZ = 90 degrees, we have XY = 24 and YZ = 25. Find tan X.
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Guest
Oct 30, 2021
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213
1
Algebra
For a certain positive integer m, the equation $\lfloor \frac{n}{m} \rfloor = 1$ has 137 solutions in integers n. Find m.
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Guest
Oct 30, 2021
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222
2
Algebra
For a real number x, find the number of different possible values of $\frac{|x|}{|-x|} + \frac{|-x|}{|x|}$.
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Guest
Oct 30, 2021
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208
1
help urgently plz
How do you solve (iii)?????
Answers: (i) 14:44 (ii) 18.2 km/h
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Guest
Oct 30, 2021
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171
0
help with counting
How many cubic (i.e., third-degree) polynomials f(x) are there such that f(x) has nonnegative integer coefficients and f(1) = 9 and f(2) = 16?
Guest
Oct 30, 2021
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174
0
Coordinates
Determine the equation of a line perpendicular to 4x - 3y - 2 = 0 with the same y-intercept as the line defined by 3x + 4y = - 12
Guest
Oct 30, 2021
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166
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Graphing question
Let f(x) be an even function defined for all real numbers x and let g(x)=f(x+3)-5 You are told that the graph of y=g(x) passes through the point (2,-2) Then the graph of y=g(x) must also pass through the point (a,b) Enter your answer in the form "a,b
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Guest
Oct 30, 2021
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240
1
counting help
A bookshelf contains 3 spanish books, 5 chinese books, and 6 korean books. Each one is different from one another. How many arrangements can be made of these books if no two spanish books can be next to each other?
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Guest
Oct 30, 2021
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225
1
goemetry help
ABCDE is a regular pentagon and point P is inside the pentagon such that angle EDP = angle PDC and AP = ED. Find angle DCP.
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Guest
Oct 30, 2021
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173
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probability
You take the four Aces, four 2's, and four 3's from a standard deck of 52 cards, forming a set of 12 cards. You then draw three cards at random. What is the probability that you get an Ace, a 2, and a 3?
Guest
Oct 30, 2021
0
329
1
+4
curious
If i have an isosceles triangle ABC, with one oblique angle of 110 degrees in the point B and chosen point M within this triangle,and angles MAC and MCA have the values 30 and 25 degrees respectively, is the value of angle BMC determinate or not?
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aleksandros
Oct 30, 2021
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