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Post New Question
All Questions
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234773 Questions
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398
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+328
Daniel and the traffic
On a good day (or late in the evening), when there is no traffic, usually it takes Daniel 72 minutes to drive from Gilroy to San Francisco.Yesterday, when there was heavy conjestion, Daniel’s average speed was lower thanusual by 14 miles an hour, and he
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Potatobird
Jan 24, 2021
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455
1
square ABCD
In square ABCD shown, X is the midpoint of BC and Y is the midpoint of AX. If CZ:ZD=3:1 and the side length of the square is 5 units, find YZ.
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Guest
Jan 24, 2021
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489
2
c & p problem
How many different positive three-digit integers can be formed using only the digits in the set {2, 3, 4, 5, 5, 6, 6} if no digit may be used more times than it appears in the given set of available digits?
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Guest
Jan 24, 2021
+1
1149
1
line segment question
Let J and K be given points along a certain line. There are exactly two other distinct points U and V on this line such that UJ/UK=4 and VJ/VK=7. Let W be the midpoint of UV. Calculate the ratio WJ/WK.
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Guest
Jan 24, 2021
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380
1
help pls
The product of the first five terms of a geometric progression is 1024, and the fourth term is 2017. Find the second term.
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Guest
Jan 24, 2021
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386
1
algebra
Find x so that x-2, x+2 and x+4 are consecutive terms of a geometric sequence.
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Guest
Jan 24, 2021
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474
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+328
The road trip for three friends
Three friends Adam, Betty, and Christian took turn driving cross country from Sacramento, California to Philadelphia, Pennsylvannia. Each drove for the exact amount of time, but at different average speed due to the varying landscapes. Adam drove at an
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Potatobird
Jan 24, 2021
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569
1
circle
In the diagram below, is the center of the circle, and is a diameter. Find , in degrees.
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Guest
Jan 24, 2021
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496
1
question on arithmetic progression
In an A.P. (arithmetic progression), the first term is 1 and the common difference is 4. How many terms of the A.P must be taken for their sum to be equal to 120?
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Guest
Jan 24, 2021
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590
5
trapezoid
A trapezoid $ABGE$ is partitioned into three smaller shapes: a trapezoid $ABCD$, a parallelogram $CDEF$, and a triangle $CFG$. The sides $AB || CD$, and $2AB = CD$. The number in each colored region indicates the area of each shape.
What is the
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Guest
Jan 24, 2021
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492
1
+78
Coordinate Plane Question
A triangle in the coordinate plane has vertices at (−4, 0), (6, 0) and (0, 5). The line y = 5 4 x + c, where c is a positive number, divides the triangle into a trapezoid and a smaller triangle whose areas, respectively, are in the ratio 5:4. What is the
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Frooglie
Jan 24, 2021
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463
9
+31
HELP ASAP
Suppose ten distinct, positive integers have a median of 10. ("Distinct integers" means that no two integers are the same.)
What is the smallest the average of those ten integers could be?
P.S. When you are answering, please
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skc123
Jan 24, 2021
+1
577
6
+328
More speed problems...thank you
A. Two trains are currently 4 miles apart travelling in opposite direction on adjacenttrain tracks. The east-bound train is going at a speed of 25 miles per hour. Thewest-bound train goes at more than twice the speed at 55 miles per hour. They will
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Potatobird
Jan 24, 2021
+1
441
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+328
The airports' walkway
To save energy, the speed of the airport moving walkway was slowed down by 10% and as a result it takes an extra 7 seconds for it to complete the “trip”. How long, inseconds, does it take to complete the trip after the slow down?
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Potatobird
Jan 24, 2021
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421
1
quadratic
The equation y = x^2 - 18x - 33 describes the height (in feet) of a ball tossed up in the air at 26 feet per second from a height of 105 feet above the ground. In how many seconds will the ball hit the ground? Express your answer as a decimal rounded to
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Guest
Jan 24, 2021
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386
2
Confused
Let G be the center of equilateral triangle XYZ. A dilation centered at G with scale factor -4/3 is applied to triangle XYZ, to obtain triangle X'Y'Z'. Let A be the area of the region that is contained in both triangles XYZ and
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Guest
Jan 24, 2021
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507
2
+96
Help! It's due today!!
What is the sum of all the integers between -12.1 and 3.3?
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kanisan
Jan 24, 2021
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308
1
help plz
A box has a total surface area of 100. The length of the box is equal to twice its width, as well as equal to 8 less than its height. What is the height of the box?
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Guest
Jan 24, 2021
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470
1
+115
Off Topic
Can I post basic physics questions here?
Also how do I mark a post as off topic... I can't seem to find the option
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Drazil
Jan 24, 2021
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272
0
function
Let
f(x) = x + 3 if x <= 0
f(x) = 2x + 5 if x > 0
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Guest
Jan 24, 2021
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910
1
Janes salary
Janes Salary is increased by 6% to £33708.
How much was her salary before the rise? £...
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Guest
Jan 24, 2021
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276
0
algebra problem
Consider the system of quadratic equations y =3x^2 - 6x, y = 2x^2 + x - c, where c is a real number.
(a) For what value(s) of c will the system have exactly one solution (x,y)?
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Guest
Jan 24, 2021
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