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Post New Question
All Questions
+0
234927 Questions
0
373
1
Algebra
Positive real numbers x,y satisfy the equations x^2 + y^2 = 1 and x^4 + y^4= 5/8 . Find xy.
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Guest
Oct 4, 2021
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330
1
Inequality
Solve the inequality 6t > t + 6 + 2t.
Enter your answer as an inequality with just t on the left side.
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Guest
Oct 4, 2021
0
254
1
Counting problem
You have 5 red shirts, 5 green shirts, 6 pairs of pants, 9 green hats and 8 red hats, all of which are distinct. How many outfits can you make consisting of one shirt, one pair of pants, and one hat without having the same color of shirts and hats?
read more ..
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Guest
Oct 4, 2021
0
359
2
Trig question...not very hard though
If WXY has right angle at X, 70 degree angle at W, and 20 degree angle at Y, and WX is 1, can you help me find XY?
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Guest
Oct 4, 2021
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251
1
Number Theory
The greatest common divisor of positive integers m and n is 8. The least common multiple of m and n is 120. What is the least possible value of m+n?
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Guest
Oct 4, 2021
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349
1
Just solve it
Hubert's job is to shovel 3/4 of the driveway whenever it snows. If he gets 1/3 of the driveway shoveled right after the snow stops, and does another 1/4 of the driveway after he has taken a chocolate break, what portion of his job has he done?
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Guest
Oct 4, 2021
0
349
1
Help with probability
A point with coordinates (x,y) is randomly selected such that 0 <= x <= 10 and 0 <= y <= 10 . What is the probability that the coordinates of the point will satisfy 2x + 4y >= 20? Express your answer as a common fraction.
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Guest
Oct 4, 2021
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199
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Statistics
Is there a similar page for Statistics help/answers?
Guest
Oct 4, 2021
0
467
1
What is 0.75*0.75*0.75?
What is 0.75*0.75*0.75?
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Guest
Oct 4, 2021
0
372
1
math problem
If two lines l and m have equations y = -x + 6, and y = -2x + 6, what is the probability that a point randomly selected in the 1st quadrant and below l will fall between l and m? Express your answer as a decimal to the nearest hundredth.
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Guest
Oct 4, 2021
+1
402
1
+103
Can help me?
Alfred used a bucket to fill an empty rectangular tank with water. He poured
4 buckets of water into the tank. The tank had a base measuring 80 cm by 30 cm.
He then decided to use a hose to fill the tank with more water until the water level
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Robtlukas
Oct 4, 2021
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202
0
MATH ON THE SPOT
DRIVERS HEIGHT ABOVE THE WATE DURING A DIVE CAN BE MODFELED BY H=-16T2+8T+8, WHERE H IS HEIGHT IN FEET AND T IS TIMEIN SECONDS. FIND THE TIME IT TAKES THE DIVER TO REACH THE WATER
Guest
Oct 4, 2021
0
211
0
Counting
Andrew chooses a number from 1 to 100, and Mary also chooses a number from 1 to 100. (They may choose the same number.) It turns out that the product of their numbers is a multiple of 3. In how many ways could Andrew and Mary have chosen their numbers?
read more ..
Guest
Oct 4, 2021
0
381
1
+103
Pls help me with this question. Thank you!
Cheko and Keddy collected 370 toy cars altogether. 1/4 of Cheko's toy cars was 25 more than 1/5 of Keddy's toy cars. How many more toy card did Cheko collect than Keddy?
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Robtlukas
Oct 4, 2021
0
400
2
+164
Math
Ralph walks 1 1/4 miles home from school every day. He stops at Joe's house, which is 5/6 of a mile from school. How far is it from Joe's house to Ralph's house?
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RunningManZZ
Oct 4, 2021
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333
2
Pls help. Thanks
Ahmad has $1380 more than Ben at first. After each of them spent $640, Ahmad had 5 times as much money as Ben. How much did Ben have at first?
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Guest
Oct 4, 2021
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556
1
x=3g+2
Rearrange x=3g+2
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Guest
Oct 4, 2021
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200
0
Probability
Given that a and b are real numbers such that $-3 \le a \le 1$ and $-5 \le b \le 2$, and values for a and b are chosen at random, what is the probability that the product ab is positive? Express your answer as a common fraction.
Guest
Oct 4, 2021
0
197
0
Algebra
Find the constant term in the expansion of
\[\left( 2z - \frac{1}{z} \right)^{10}.\]
Guest
Oct 4, 2021
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331
3
help geometry
The tangent to the circumcircle of triangle WXY at X is drawn, and the line through W that is parallel to this tangent intersects $\overline{XY}$ at Z. If XY = 14 and $WX = 7,$ find YZ.
read more ..
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Guest
Oct 4, 2021
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278
1
Counting question
1. Nine points are arranged in a 3 x 3 grid, as shown below. In how many different ways can you choose three points, so that they form a triangle?
read more ..
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Guest
Oct 4, 2021
0
276
1
Counting question
In how many ways can you spell the word FOOT in the grid below? You can start on any letter F, then on each step you can step one letter in any direction (up, down, left, right, or diagonal)
\begin{array}{cccc} F & F &
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Guest
Oct 4, 2021
0
372
3
Thanks
Yacob had a box of chocolates. of the chocolates were dark chocolates
and the rest were white chocolates. After he ate of the white
chocolates, there were 90 more
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Guest
Oct 4, 2021
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332
2
Pls help. Thanks
Mrs Tan put some popsicles into her cooler box for a party. Damien took of
them but returned 5 popsicles into the color. Alice then took of the
remaining popsicles and an additional 3 from the color. Ben then took of
the remaining
read more ..
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Guest
Oct 4, 2021
0
332
1
what is 3/8 as a percentage
what is 3/8 as a percentage
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Guest
Oct 4, 2021
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