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Post New Question
All Questions
+0
232716 Questions
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487
1
Find all p which satisfy
Find all p which satisfy both the inequalities 0 >= 64p - 144 and 0 > 22 - 20p. Express your answer in interval notation, reducing any fractions in your answer.
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Guest
Nov 16, 2020
0
436
1
n fair 6-sided dice are simultaneously rolled.
fair 6-sided dice are simultaneously rolled. The probability that exactly two of them show a number 1 is 25/72. Find n.
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Guest
Nov 16, 2020
+1
617
3
The water tank in the diagram below is in the shape of an inverted right circular cone.
The water tank in the diagram below is in the shape of an inverted right circular cone. The radius of its base is 16 feet, and its height is 120 feet. The water in the tank is 25% of the tank's capacity. What is the height of the water?
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Guest
Nov 16, 2020
0
415
1
Plz help me
the salt concentration is (C), (t)is minutes is given by
c(t)= 10t/25+t
read more ..
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Guest
Nov 16, 2020
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341
0
Math
Orange and white ping-pong balls are sold in either Package or Package . Each package contains the same number of ping-pong balls.
The ratio between the numbers of white and orange ping-pong balls in Package is
The
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Guest
Nov 16, 2020
0
585
1
Let F, G, and H be collineear points
Let F, G, and G be collinear points on the Cartesian plane such that FG/GH = 1. If F = (a,b) and , H = (6a,c) then what is the x-coordinate of G?
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Guest
Nov 16, 2020
+1
750
5
+153
Math challenge - who can solve it?
Find all real numbers s such that $-2(s - 7) > 4s + 8$
Please give your answer in interval notation.
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Thanks4helping
Nov 16, 2020
0
464
3
hard geo
\(ABCD\) is a square with side length 1\(E\) and \(F\) are the mid-points of \(AD\) and \(AB\) respectively. \(G\) is the intersection point of \(CF\) and \(BE\). Find the length of \(DG\).
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Guest
Nov 16, 2020
Nov 15, 2020
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443
1
Three consecutive positive odd integers
Three consecutive positive odd integers a, b and c satisfy b^2 - a^2 = 72 and c^2 - b^2 > 0. What is the value of c^2 - b^2?
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Guest
Nov 15, 2020
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452
1
During a road trip, Richard drove his car
During a road trip, Richard drove his car at 80mph for 1 hour, and then at 60mph for 2 hours. What was the average speed for the entire journey?
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Guest
Nov 15, 2020
0
475
2
What is the sum of all positive integers r that satisfy
What is the sum of all positive integers r that satisfy
lcm [ r, 700 ] = 3500
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Guest
Nov 15, 2020
0
1123
3
+153
Need Help ASAP, Im stuck can anyone do it?
Enter the letters of the points that satisfy the inequality
\[y > -\frac{1}{2} x + 2.\]
For example, if you think points
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Thanks4helping
Nov 15, 2020
0
646
1
The area of one lateral face of a right pyramid with an equilateral triangular base
The area of one lateral face of a right pyramid with an equilateral triangular base is 75 square meters. If the slant height is 25 meters, what is the length of the side of its base, in meters?
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Guest
Nov 15, 2020
+1
422
3
+153
(Math Challenge) Who can answer it first?
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Thanks4helping
Nov 15, 2020
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477
1
Which graph represents the function?
Which graph represents the function?
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Guest
Nov 15, 2020
0
476
1
There is a committee composed of eight women and two men.
There is a committee composed of eight women and two men. When they meet, they sit in a row---the women in distinguishable rocking chairs and the men on indistinguishable stools. How many distinct ways are there for me to arrange the ten chairs and stools
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Guest
Nov 15, 2020
0
368
1
The four points
The four points A(-4,0), B(0,-4), X(0,18) and Y(20,k) are grouped on the Cartesian plane. If segment AB is parallel to segment XY what is the value of k?
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Guest
Nov 15, 2020
0
442
1
how to measure a floor for tile
how to measure a floor for tile
installation? how many tiles are needed to cover the floor ? the area measures 75" wide and 90" long, the tiles measure 24" wide and the length 12"? can you tell me th answer or can you tell me how
read more ..
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Guest
Nov 15, 2020
0
431
1
The volume of regular octahedron PABCDQ is 243.
The volume of regular octahedron PABCDQ is 243. What is the side length of the octahedron?
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Guest
Nov 15, 2020
0
480
1
A running track is the ring formed by two concentric circles.
A running track is the ring formed by two concentric circles. If the circumferences of the two circles differ by 20 pi feet, how wide is the track in feet?
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Guest
Nov 15, 2020
0
406
1
In how many distinct ways can I arrange my five keys on a keychain
In how many distinct ways can I arrange my five keys on a keychain, if I want to put my house key next to my car key and my mailbox key? Two arrangements are not considered different if the keys are in the same order (or can be made to be in the same order
read more ..
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Guest
Nov 15, 2020
0
463
2
HELP QUICKK!!!!! TYYSM
The graph of $y = ax^2 + bx + c$ is shown below. Find $a \cdot b \cdot c$. (The distance between the grid lines is one unit.)
Asymptote code here:
[asy]
size(150);
real ticklen=3;
real tickspace=2;
real ticklength=0.1cm; <#> real
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Guest
Nov 15, 2020
0
585
2
+18
Please help
In the diagram, G is the centroid of Triangle ABC If [ABC]=72 then what is [GME]
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FBIOPENUP
Nov 15, 2020
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