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Post New Question
All Questions
+0
236050 Questions
-2
22
1
+1768
Geometry
In triangle $ABC,$ the angle bisector of $\angle BAC$ meets $\overline{BC}$ at $D.$ If $\angle BAC = 60^\circ,$ $\angle CAD = 45^\circ,$ and $AD = 24,$ then find the area of triangle $ABC.$
●
bader
Apr 26, 2024
0
35
0
+1768
Geometry
In triangle $ABC,$ $AB = 15,$ $BC = 9,$ and $AC = 10.$ Find the length of the shortest altitude in this triangle.
bader
Apr 26, 2024
0
29
1
+4
Help pls
If x = 45, y = 63, and the measure of AC = 4 units, what is the difference in length between segments AB and AD? Round your answer to the nearest hundredth.
0.74 units 1.17 units 1.64 units 2.14 units
●
PlsAnswer
Apr 26, 2024
0
26
0
+1768
Geometry
In triangle $ABC,$ $\angle B = 90^\circ.$ Point $X$ is on $\overline{AC}$ such that $\angle BXA = 90^\circ,$ $BC = 15,$ and $CX = 5$. What is $BX$?
bader
Apr 26, 2024
0
38
0
+1768
Geometry
In triangle $ABC$, point $D$ is on side $\overline{AC}$ such that line segment $\overline{BD}$ bisects $\angle ABC$. If $\angle A = 45^\circ$, $\angle C = 45^\circ$, and $AC = 12$, then find the area of triangle $ABD$.
bader
Apr 26, 2024
0
39
0
+1557
help algebra
Let
f(x) = \sqrt{x - \sqrt{x}}.
Find the largest three-digit value of $x$ such that $f(x)$ is an integer.
parmen
Apr 26, 2024
0
38
0
+1557
help with algebra
Evaluate $a^3 - \dfrac{1}{a^3}$ if $a - \dfrac{1}{a} = 0$.
parmen
Apr 26, 2024
0
36
0
+1557
help algebra
Let $a_1,$ $a_2,$ $a_3,$ $\dots$ be a sequence. If
\[a_n = a_{n - 1} + a_{n - 2}\]
for all $n \ge 3,$ and $a_{11} = 1$ and $a_{10} = 4,$ then find $a_6.$
parmen
Apr 26, 2024
0
22
0
+1557
help algebra
Let $a$ and $b$ be complex numbers. If $a + b = 1$ and $a^2 + b^2 = 2,$ then what is $a^3 + b^3?$
parmen
Apr 26, 2024
0
24
2
+1557
help algebra
Find the constant k such that the quadratic 2x^2 + 3x + 8x - x^2 + 4x + k has a double root.
●
●
parmen
Apr 26, 2024
0
11
1
+54
Four points form the vertices of a square. Find the area of the square if the points are (2,b), (0,a), (5,c), and (7,d).
Four points form the vertices of a square. Find the area of the square if the points are (2,b), (0,a), (5,c), and (7,d).
●
RedDragon1
Apr 26, 2024
0
25
1
+1839
Algebra
Find the vertex of the graph of the equation y = -2x^2 + 8x - 15 - 3x^2 - 14x + 25.
●
ABJeIIy
Apr 26, 2024
0
32
0
+1839
Algebra
The parabola y = ax^2 + bx + c is graphed below. Find a + b + c. (The grid lines are one unit apart.)
The parabola passes through (-2,8), (0,0), and (2,8).
ABJeIIy
Apr 26, 2024
0
26
0
+1839
Algebra
Fill in the blanks with numbers to make a true equation.
3x^2 + 12x - 4 - 2x^2 + 6x + 7 = ___ (x + ___ )^2 + ___
ABJeIIy
Apr 26, 2024
0
29
0
+1839
Algebra
Find all real values of $p$ such that
(x+1)(x-2p)
has a minimum value of 0 over all real values of $x$.
ABJeIIy
Apr 26, 2024
Apr 25, 2024
0
32
0
+1839
help Algebra
Let $c$ be a real number. What is the maximum value of $c$ such that the graph of the parabola $y = -6x^2$ has at most one point of intersection with the line $y = 5x+c?$
ABJeIIy
Apr 25, 2024
0
23
1
+1839
Algebra
Let $x$ and $y$ be real numbers. If $x^2 + 3y^2 = 18$, then find the maximum value of $x + y$.
●
ABJeIIy
Apr 25, 2024
0
32
0
+1839
Algebra
Let $x$ and $y$ be nonnegative real numbers. If $x + y = 25$, then find the minimum value of $6x + 3y.$
ABJeIIy
Apr 25, 2024
0
16
1
+12
Geometry
Can you solve these?
1.
2.
<#> 3.<#>
read more ..
●
wendigo
Apr 25, 2024
0
22
1
+2653
help with functions
Find the domain of the function $f(x) = \sqrt{6-x-x^2-2x^2}$.
●
LiIIiam0216
Apr 25, 2024
0
15
1
+2653
Algebra problem
Find the sum of all values of $k$ for which $x^2 + kx - 9x + 25 - 9$ is the square of a binomial.
●
LiIIiam0216
Apr 25, 2024
0
28
0
+2653
help algebra
Find the largest real number $c$ such that $1$ is in the range of $f(x)=x^2-5x+c-3x+8$.
LiIIiam0216
Apr 25, 2024
0
39
0
+2653
help with algebra
For what values of $j$ does the equation $(2x + 7)(x - 4) = -31 + jx$ have exactly one real solution? Express your answer as a list of numbers, separated by commas.
LiIIiam0216
Apr 25, 2024
0
40
0
+2653
help need help
Find the value of $v$ such that $\frac{-21-\sqrt{201}}{10}$ a root of $5x^2+21x+v = 0$.
LiIIiam0216
Apr 25, 2024
0
23
1
+355
HELP
The roots of the quadratic equation are and . What is ?
●
Lilliam0216
Apr 25, 2024
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