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All Questions
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181249 Questions
0
24
1
algebra
Let 7x^2 + 8x = h. What value of h will give us exactly one solution for x?
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Guest
Nov 21, 2020
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27
1
What constant k
What constant will make y^2 + 28y + 16 + k the square of a binomial?
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Guest
Nov 21, 2020
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15
0
two roots of the quadratic 3x^5 + 5x + k
If the two roots of the quadratic 3x^2 + 5x + k = 0 are (-5 +/- sqrt(59)*i)/6, what is k?
Guest
Nov 21, 2020
0
16
0
For what value of k
For what value of k does the line represented by the equation-1/2 - kx = 6y contain the point (1/4,-6)?
Guest
Nov 21, 2020
0
35
2
D, E and F are the midpoints of BC, CA, and AB respectively.
D, E and F are the midpoints of BC, CA, and AB respectively. A dilation maps triangle ABC to triangle AFE. What is the scale factor of this dilation?
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Guest
Nov 21, 2020
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25
2
Triangle ABC is first rotated clockwise about A for 90 degrees to triangle AB1C1.
Triangle ABC is first rotated clockwise about A for 90 degrees to triangle AB1C1. Triangle AB1C1 is then reflected over B1C1 to triangle A1B1C1. Triangle A1B1C1 is then translated 8 units to the right to triangle A2B2C2.
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Guest
Nov 21, 2020
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16
1
A dilation with scale factor -3
A dilation with scale factor -3 maps X to X' and Y to Y'. Given X'Y' = 12, find XY.
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Guest
Nov 21, 2020
0
28
1
I need some help! Thank you!!
Hi! I'm currently stuck on solving this problem:
"The triangle ABC is an isosceles triangle where AB = 4sqrt(2) and angle B is a right angle. If I is the incenter of triangle ABC, then what is BI? Express your answer
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Guest
Nov 21, 2020
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17
0
(√3-i)5
(√3-i)5
Guest
Nov 21, 2020
0
19
0
Find the area of the quadrilateral formed with vertices at (1,2) (5,8) (8,6), (4,1)
Find the area of the quadrilateral formed with vertices at (1,2) (5,8) (8,6), (4,1)
Guest
Nov 21, 2020
0
18
0
In concave equilateral pentagon ABCDE
In concave equilateral pentagon ABCDE, angle A=angle B= 105 degrees. What is the degree measure of E?
Guest
Nov 21, 2020
0
33
1
Two real numbers are chosen at random between and What is the probability that the sum of their squares is no more than Express
Two real numbers are chosen at random between and What is the probability that the sum of their squares is no more than Express your answer as a common fraction in terms of π.
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Guest
Nov 21, 2020
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20
0
Let a, b, c, and d be positive integers. We know that... Find the maximum of...
Let $a$, $b$, $c$, and $d$ be positive integers. We know that
Find the maximum of $\dfrac ab + \dfrac bc + \dfrac cd + \dfrac da.$
Guest
Nov 21, 2020
0
17
0
help with geometry
Find the area of an equilateral triangle inscribed in a circle with a circumference of 18 Pi cm.
Guest
Nov 21, 2020
0
19
0
help please!
1.
Enter the letters of the points that satisfy the inequality -
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Guest
Nov 21, 2020
0
19
0
help please
A triangle with integer sides has perimeter 15. How many such non-congruent triangles are there? (A 3-4-5 triangle is considered congruent to a 3-5-4 triangle because we can reflect and rotate the triangles until they match up.)
Guest
Nov 21, 2020
0
24
1
geometry
A triangle has integer length sides. If two sides of the triangle are 11 and 19, how many possible lengths are there for the third side?
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Guest
Nov 21, 2020
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15
0
Please Help!
Consider the following statement: Let f be a function, such that for all a and b in the domain of f, f(a)=f(b) implies a=b. Then the function f has an inverse.
Is this statement true or false?
Guest
Nov 21, 2020
0
26
1
algebra
Let f(x)=x^2-6x+4 and let g(f(x))=2x+3. What is the sum of all possible values of g(8)?
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Guest
Nov 21, 2020
0
42
3
+13
Geometry - Please help me out. Show steps please
Right triangle ABC has side lenghts AB = 3, BC = 4, and AC = 5. Square XYZW is inscribed in triangle ABC with X and Y on line AB, and Z on
line BC. What is the side length of the square
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xMysticalLegend
Nov 21, 2020
0
33
4
please help!!
1. There are two squares. The perimeter of the larger square is 24 cm longer than the perimeter of the smaller one, and the area of the larger square is 96 cm^2 more than the area of the smaller one. What is the perimeter of the smaller square in cm?
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Guest
Nov 21, 2020
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43
6
Difficult Precalc Problem
If $z^2 + z + 1 = 0,$ find \[z^{49} + z^{50} + z^{51} + z^{52} + z^{53}.\]
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Guest
Nov 21, 2020
+1
29
3
+1373
Please Help! I'm trying to solve a quadratic equation by factoring.
The length of a rectangle is 3 more than twice the width. If the area is 20 square feet, what is the width of the rectangle?
a) .4 feet
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SmartMathMan
Nov 21, 2020
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