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Post New Question
All Questions
+0
236027 Questions
0
48
0
+1678
inequality
Solve the inequality
\[\frac{3-z}{z+1} \ge 2 + 7z.\]
Write your answer in interval notation.
wiseowl
Nov 21, 2023
0
52
0
+1678
Inequality
Solve the inequality $4t^2 \le -9t + 12 - 14t + 36.$ Write your answer in interval notation.
wiseowl
Nov 21, 2023
0
25
0
+1678
inequality
Solve the inequality $x(x + 6) > 16 - 5x + 33.$ Write your answer in interval notation.
wiseowl
Nov 21, 2023
0
46
0
+1678
inequality
Solve the inequality $(x - 2)(x + 6) \le x^2 + 14.$ Write your answer in interval notation.
wiseowl
Nov 21, 2023
0
43
0
+1678
inequality
Find the number of integers $n$ that satisfy $n^2 < 64 - 20n - n^2.$
wiseowl
Nov 21, 2023
0
36
0
+1678
interval
Write the values of $x$ that satisfy $-8 \le x + 17 < -3 - 5x$ as an interval.
wiseowl
Nov 21, 2023
0
41
1
+9
Given 30-60-90 triangle
Given 30-60-90 triangle
Hypothenuse = qSqrt3
Short side, opposite 30 => pSqrt2
Long side, opposite 60 => pSqrt6
read more ..
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alexcardenas
Nov 21, 2023
0
60
0
+816
need help
Fill in the blanks with numbers to make a true equation
3x^2 + 12x + 4 - x^3 + 8x - 5x + 7x^2 + 11 = __ (x + __)^3 + __(x + __)^2 + __x + ___
maximum
Nov 21, 2023
0
46
1
+816
graphing question
The parabola $y = ax^2 + bx + c$ is graphed below. Find $a + b + c$. (The grid lines are one unit apart.)
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maximum
Nov 21, 2023
0
45
0
+816
help plz
Find the vertex of the graph of the equation $x - y^2 + 8y = 13 + 2y + y^2 - 7y - 14$.
maximum
Nov 21, 2023
0
61
0
+816
how to find vertex
Find the vertex of the graph of the equation y = -2x^2 + 8x + 15 - 3x^2 + 7x - 25
maximum
Nov 21, 2023
0
58
0
+816
area of a circle
Find the area of the region enclosed by the graph of $x^2 + y^2 = 2x - 6y + 6 + 14x - 16y + 80$.
maximum
Nov 21, 2023
0
30
0
+816
help algebra
The graph of $y = ax^2 + bx + c$ has an axis of symmetry of $x = -1.$ If $a = 2,$ then find $b.$
maximum
Nov 21, 2023
0
49
0
+816
parabola
Graph a parabola with axis of symmetry $x = 3,$ an $x$-intercept at $x = -8,$ and $y$-intercept $5.$
maximum
Nov 21, 2023
Nov 20, 2023
0
44
4
+36
Intermediate Algebra
Let be a complex number such that
What is ?
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JovenlyCosmo
Nov 20, 2023
0
39
1
+816
quadratic
Let c be a real number, and consider the system of quadratic equations
y = x^2 - 9x + c,
y = 8x^2 - 13x.
For which values of c does this system have:
(a) Exactly one real solution (x,y)?
(b) More than one real solution?
(c)
read more ..
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maximum
Nov 20, 2023
0
38
5
+9
Given 30-60-90 triangle with sides p\sqrt(6) , p\sqrt(2 ), q\sqrt(3); find p, q
Given 30-60-90 triangle with sides p\sqrt(6) , p\sqrt(2 ), q\sqrt(3); find p, q
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alexcardenas
Nov 20, 2023
0
35
1
+9
AP Calculus AB Derivative Rules
This is what I got (I think I'm wrong):
1 / f'(f-1(x)) = 1 / f'(4) = 1 / -1 / 5 = -5
g(-5) = ln(f(-5)), No Solution because f(x)>0
read more ..
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bigmath
Nov 20, 2023
Nov 19, 2023
0
31
1
+20
Math
A box contains 15 identical reams of paper. The total mass of the box with 1/5 of all the reams of papers is 33.6 kg lighter than the box with al the reams of paper. The mass of the empty box is 2/7 of a ream of paper. What is the mass of the empty
read more ..
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BilalKrol28282
Nov 19, 2023
-1
38
0
+1521
hard geometry
In triangle $ABC,$ the angle bisector of $\angle BAC$ meets $\overline{BC}$ at $D,$ such that $AD = AB$. Line segment $\overline{AD}$ is extended to $E,$ such that $\angle ADC = \angle BDE$. Show that triangle $ACE$ is isosceles.
blackpanther
Nov 19, 2023
-1
48
0
+1521
rectangle
In rectangle $ABCD$, as shown below, $DX = XC$. Find the number of degrees in $\angle XDY.$
blackpanther
Nov 19, 2023
-1
60
0
+1521
area
The rectangle below has been divided into unit squares. Find the total area of the blue shaded region, in square units.
blackpanther
Nov 19, 2023
-1
45
0
+1521
area
In triangle $ABC,$ points $P$ and $Q$ are on side $\overline{AB},$ and point $R$ is on side $\overline{AC}.$ If $\frac{AP}{2} = \frac{PQ}{5} = \frac{QB}{11}$ and $\frac{AR}{8} = \frac{RC}{13},$ then find $\frac{[QBC]}{[CRQ]}.$
blackpanther
Nov 19, 2023
-1
37
0
+1521
area
In triangle $ABE,$ $C$ and $D$ are points on sides $\overline{BE}.$ If $BD = 18$, $CE = 7$, $[ABC] = 13$, and $[ADE] = 22$, then find $[ACD]$.
blackpanther
Nov 19, 2023
-1
34
1
+1521
angles
In the diagram below, we have $\overline{AB}\parallel\overline{CD}$ and $QP = QR$. If $\angle BPQ = 2x^\circ + 105^\circ$ and $\angle APR = 5x^\circ - 27^\circ$, then find $x$.
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blackpanther
Nov 19, 2023
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