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All Questions
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230948 Questions
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236
1
Solving quadratic
The equation y = -6t^2 - 20t + 56 describes the height (in feet) of a ball thrown downward at 20 feet per second from a height of 56 feet from the surface from Mars. In how many seconds will the ball hit the ground? Express your answer as a decimal rounded
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Guest
Nov 18, 2021
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197
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Counting
How many ways are there to arrange 6 people around a circular table with 9 seats? (Two seatings are considered the same if one is a rotation of the other.)
Guest
Nov 18, 2021
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254
1
Trapezoid
Trapezoid ABCD has bases AB and CD. Find x.
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Guest
Nov 18, 2021
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1
214
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Coordinates
Find the area of the triangle bounded by the y-axis and the lines y - 3x = -2 and 3y + 2x = 12 .
Guest
Nov 18, 2021
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182
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Quadratic
The graph of a certain quadratic y = ax^2 + bx + c is a parabola with vertex (-4,0) which passes through the point (1,75) What is the value of a?
Guest
Nov 18, 2021
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224
1
need help
Let A and B be real numbers such that $\frac{A}{x-5}+B(x+1)=\frac{-3x^2+12x +20}{x-5}$. What is A+B?
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Guest
Nov 18, 2021
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1
212
1
Algebra
The parabolas defined by the equations y = x^2 + 4x + 6 and y = 1/2*x^2 + x + 4 intersect at (a,b) and (c,d) where c >= a. What is c - a?
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Guest
Nov 18, 2021
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1
180
0
Which shows the subset(s) of numbers to which the number
Which shows the subset(s) of numbers to which the number
4/5
belongs?
Guest
Nov 18, 2021
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162
0
Domain
If h(x) is a function whose domain is [-8,8], and g(x) = h(x)^2, then the domain of g(x) is an interval of what width?
Guest
Nov 18, 2021
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176
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Math
Determine the answer to (−5) + 4 and explain the steps using a number line
Guest
Nov 18, 2021
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374
7
+58
Again, maybe someone need this
This link should work - it is about the glossary of mathematical symbols:
https://en.wikipedia.org/wiki/Glossary_of_mathematical_symbols
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Babbeln
Nov 18, 2021
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314
1
math problem
In the equation 1/j + 1/k = 1/3 + 1/5, both j and k are positive integers. What is the sum of all possible values for k?
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Guest
Nov 18, 2021
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244
1
How to use this calculater
How do you put a fraction into this calculater? For example if you were going to do 1/7 as a fraction how would you do that?
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Guest
Nov 18, 2021
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185
0
Algebra
FInd 1/(a - 1) + 1/(b - 1) if a and b are the roots of the equation 2x^2 - 7x + 2 = 11x - 15.
Guest
Nov 18, 2021
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334
1
Help pls
Factor out the coefficient of the variable.
The expression −5p+20−5p+20 factored is
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Guest
Nov 18, 2021
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531
1
+4
word problems
When renting a limo for prom, the number of people is inversely proportional to the cost per person. Originally there were 4 people and the cost per person was $60. If the number of people changed to 12, what would be the new cost per person?
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matthewiiiririri
Nov 18, 2021
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184
0
Geometry
In triangle ABC, BC = 4, AC = 3*sqrt(2), and angle C = 60 degrees. Altitudes AD, BE, and CF intersect at the orthocenter H. Find AH:HD.
Guest
Nov 18, 2021
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343
1
help
A small European country has a mountain 805 meters above sea level as its highest point. Its lowest point is 25 meters below sea level. What is the difference between the two points
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Guest
Nov 18, 2021
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373
4
+99
MATH HELP FUNCTIONS
Math Help PLs I dont know how to do it
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Jxalskdfjarkfhqwio3r
Nov 18, 2021
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265
1
Please help
The force F needed to tighten a blot varies as the length L of the wrench handle.
If F=250N for L = 22cm, and F=550 N for L = 10cm, determine the equation relating F and L.
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Guest
Nov 18, 2021
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171
0
Coordinates
Write an equation for a line perpendicular to y = − 3 x + 5 and passing through (5, -6).
Guest
Nov 18, 2021
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177
0
Inverse Functions
Find the inverse function of f(x) = (3x + 1)/(x - 2).
Guest
Nov 18, 2021
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