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Post New Question
All Questions
+0
234777 Questions
0
737
1
please help
how many ounces of a 12 alcohol solution must be mixed with 2 ounces of a 20% alcohol solution to make a 14% alcohol solution?
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Guest
Aug 24, 2020
0
399
1
Please help anyone (the answer is not 30)
In the coordinate plane, A = (4,-1), B = (6,2), and C = (-1,2). There exists a point Q and a constant K such that for any point P,
PA^2 + PB ^2 + PC^2 = 3PQ^2 + K
read more ..
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Guest
Aug 24, 2020
0
352
1
coordinate question
Find the reflection of the point (5,3) across the line y = 2x + 2.
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Guest
Aug 24, 2020
0
683
2
algebra
In a theater, there are 20 chairs in the first row, each row has 4 more chairs than the previous row, and there are 15 rows. How many chairs are there in the theater?
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Guest
Aug 24, 2020
0
352
1
help please!
I need help with problems 10 and 11.
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Guest
Aug 24, 2020
0
409
1
Please help anyone!
In the coordinate plane, A = (4,-1), B = (6,2), and C = (-1,2). There exists a point Q and a constant K such that for any point P,
PA^2 + PB ^2 + PC^2 = 3PQ^2 + K
read more ..
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Guest
Aug 24, 2020
0
346
0
i need help
Two cyclists, 40 miles apart, start riding toward each other at the same time. One cycles 3 times as fastas the other. If they meet 2 hours later, what is the speed (in mi/h) of the faster cyclist?
Guest
Aug 24, 2020
0
372
1
HELP PLEASEEEEE
if z is a complex number satisfying z+(1/z)=1, calculate z^10+ (1/ z^10).
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Guest
Aug 24, 2020
0
357
1
please help
What is angle TSU?
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Guest
Aug 24, 2020
0
350
1
Polynomial Function Help
If is a monic quartic polynomial such that , , , and , find .
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Guest
Aug 24, 2020
0
280
0
trig question
Find sin(2A) if sin(A) = 1/4 and 0 <= A <= pi/2.
Guest
Aug 24, 2020
-1
705
2
+2
HELP NEEDED!
Let AD be the angle bisector of acute triangle ABC, and let M be the midpoint of AD. Let P be the point on BM such that APC = 90°, and let Q be the point on CM such that AQB = 90°. Prove that quadrilateral DPMQ is cyclic.
Diagram:
read more ..
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themathboss
Aug 24, 2020
0
7399
2
geometry
Which of the following sets of numbers could not represent the three sides of a triangle?
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Guest
Aug 24, 2020
+1
592
1
+980
help please
The width, length, and height of a rectangular prism are each increased by 10%. What is the percent increase in the volume of the prism? Express your answer to the nearest whole number.
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qwertyzz
Aug 24, 2020
0
330
1
probability
Three fair dice are rolled. What is the probability that the sum of the rolls is a multiple of 4?
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Guest
Aug 24, 2020
0
3223
1
rate question
Nina is training for a marathon. She can run 4 1/2 kilometers in 1/3 of an hour. At this pace, how many kilometers can Nina run in 1 hour
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Guest
Aug 24, 2020
0
321
1
please help me
A triangle has vertices A(-1, 3), B(0, 2), and C(-4, 0). Findthe coordinates of the triangle after translating it down 3 units and reflecting it in the y-axis.
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Guest
Aug 24, 2020
+1
524
2
+980
The answer is not 5.4, all help is welcome
Let XY be a tangent to a circle, and let XBA be a secant of the circle, as shown below. If AX = 15 an XY = 9, then what is AB?
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qwertyzz
Aug 24, 2020
0
852
3
Help quick please I'm really confused
By joining alternate vertices of a regular hexagon with edges inches long, two equilateral triangles are formed, as shown. What is the area, in square inches, of the region that is common to the two triangles? Express your answer in simplest
read more ..
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Guest
Aug 24, 2020
0
417
2
+10
Halp!
Chris labels every lattice point in the coordinate plane with the square of the distance from the point to the origin (a lattice point is a point such that both of its coordinates are integers). How many times does he label a point with the number 25?
read more ..
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GoAwayVirus
Aug 24, 2020
0
449
0
+1982
What is the direction and strength of the association between the variables?
What is the direction and strength of the association between the variables?
A. strong negative
read more ..
macabresubwoofer
Aug 24, 2020
-1
496
2
Help ASAP!
If
Then for how many values of x is f(f(x)) = 5?
read more ..
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Guest
Aug 24, 2020
0
421
0
+1982
What is the direction and strength of the association between the variables?
What is the direction and strength of the association between the variables?
read more ..
macabresubwoofer
Aug 24, 2020
0
386
2
Please Help
There are students in South High School. South High School offers only Chinese and Spanish. There are more students in Chinese than in Spanish, and every student takes at least one language. If students take only Spanish,
read more ..
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Guest
Aug 24, 2020
0
338
0
please help
Jayla gets the rightshade of pink paint by mixing 1/4 cup of white paint with 1/3 cup of red paint. How many cups of white and red paint does Jayla need to make 18 cups of this shade of pink paint?
Guest
Aug 24, 2020
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