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Post New Question
All Questions
+0
234922 Questions
+1
423
2
algebra
Let r and s be the roots of y^2 - 19y + 9. Find (r-2)(s-2).
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Guest
Apr 4, 2021
+1
428
2
solve for t
Solve the equation 3t - 2 + 4 = t - 7t for t.
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Guest
Apr 4, 2021
+1
375
1
Please help me with this
Find the value of in the diagram below.
Asymptote code below
[asy]
size( 200 ) ;
pair ll = origin ;
pair lr = origin+dir(0) ;
pair ul = extension( ll,ll+dir(90) , lr,lr+dir(120) ) ; <#> pair ur = extension(
read more ..
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Guest
Apr 4, 2021
+1
369
1
Find all y
Find all y such that (3y - 5)/6 = (2y - 1)/3 - 2.
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Guest
Apr 4, 2021
+1
309
1
help please
Find all complex numbers such that
Note: All solutions should be expressed in the form , where and are real numbers.
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Guest
Apr 4, 2021
+1
416
1
Solve for x
Solve for x:
(3x + 12)/(x + 4) = (4x^2 + 5x + 8x^2)/(2x)
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Guest
Apr 4, 2021
+1
435
1
Two times a number is divided by 3 more than the number.
Two times a number is divided by 3 more than the number. If the result is 9, then what was the original number?
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Guest
Apr 4, 2021
+1
386
1
System
For a certain value of k, the system
3a + 4b = 7,
6a + 4b = k - 3a - 8b
read more ..
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Guest
Apr 4, 2021
+1
587
2
Trapezoid
Find the perimeter of the trapezoid below.
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Guest
Apr 4, 2021
+1
396
3
+46
HELP URGENT PLEASE HELP
Let C=(3,5) be the midpoint of AB, where A=(1,8) and B = (x,y). What is the value of xy?
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VoidAsks
Apr 4, 2021
+1
392
1
Find z
Find z for which
\[\frac{2 \sqrt{z} - 3}{\sqrt{z} - 1} + 1 = \frac{3 \sqrt{z} - 1}{1 - \sqrt{z}}.\]
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Guest
Apr 4, 2021
+1
292
1
plz help
Find all values of x such that $\sqrt{4x^2} - \sqrt{x^2} = 8$.
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Guest
Apr 4, 2021
+1
384
2
Angles in circles
Quadrilateral is an isosceles trapezoid, with bases and A circle is inscribed in the trapezoid, as shown below. (In other words, the circle is tangent to all the sides of the trapezoid.) The length of base is and
read more ..
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Guest
Apr 4, 2021
+2
428
1
+46
Help, URGENT
What is the product of the coordinates of the midpoint of a line segment with endpoints at $(2,3)$ and $(-6,5)$?
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VoidAsks
Apr 4, 2021
+1
429
1
inequality
Solve the inequality 2x - 5 < -x - 12. Give your answer as an interval.
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Guest
Apr 4, 2021
+1
324
1
Sequences Help
The sum of the terms in an infinite geometric series is 15, and the sum of their squares is 45. Find the first term.
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Guest
Apr 4, 2021
+1
630
1
HELP PLEASE, URGENT
What is the product of the coordinates of the midpoint of a line segment with endpoints at (2,3) and (-6,5)?
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Guest
Apr 4, 2021
0
280
1
HELP!!! URGENT!!! NEED ANSWER SOON!
What is the product of the coordinates of the midpoint of a line segment with endpoints at (2,3) and (-6,5)?
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Guest
Apr 4, 2021
+1
367
1
algebra
If a + b = 7 and a^3 + b^3 = 45, what is the value of the sum 1/a + 1/b? Express your answer as a common fraction.
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Guest
Apr 4, 2021
+1
393
2
factoring
Completely factor the following expression:
(6a^3 + 92a^2 - 7) - (-7a^3 + 5a^2 - 7)
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Guest
Apr 4, 2021
+1
411
2
factoring
Completely factor the following expression:
(9x^5 + 25x^3 - 4) - (x^5 - 8x^3 - 4)
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Guest
Apr 4, 2021
+1
754
1
HELP I NEED URGENT HELP!!!
The points (1,-2) and (-4,10) are adjacent vertices of a square. What is the perimeter of the square?
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Guest
Apr 4, 2021
+1
374
1
Factor
Factor 4(6x + 8) + (9x^2 + 12x).
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Guest
Apr 4, 2021
+1
467
2
+67
Please Help
Simplify in terms of x
thank you.
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shananigans
Apr 4, 2021
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