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Post New Question
All Questions
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229704 Questions
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285
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geometry
△ABC is a right triangle at B, with AB=3 and BC=4. We take point D on BC , such that BD=1. We construct the perpendicular at D meeting AC at E. Find the ratio of areas of the yellow region to that of the blue region. That
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Guest
Sep 6, 2020
+1
1027
1
+230
pls help asap!
A right triangle has leg lengths of 8 and 15 units. What is the length, in units, of the median to the hypotenuse? Express your answer as a common fraction.
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Ericthegg123
Sep 6, 2020
+1
625
3
+296
Finding the semi major axis on an ellipse
The foci of a certain ellipse are at and The endpoints of one of the axes are (-5, 10) and (11, 10) Find the semi-major axis.
Thank you in advance!!!
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EpicWater
Sep 6, 2020
0
332
1
help with counting
Find the number of pairs (a,b) of positive integers such that a + b < 10.
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Guest
Sep 6, 2020
Sep 5, 2020
+1
558
1
+304
Combinatorics help please! thank you!
How many ways are there to divide a group of 6 friends among the basketball team, the soccer team, and the track team? (Each team could have anywhere from 0 to 6 of the friends on it. Assume the friends are distinguishable.)
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DragonLord
Sep 5, 2020
0
329
2
Please help, thanks!
I know this has been answered before, but the answers are all incorrect... please help!
A regular dodecagon is inscribed in a circle with radius 1.
Compute
(The sum includes all terms of the form
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Guest
Sep 5, 2020
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262
0
coordinate question
Given segment AB with points (-4,8) and (6, 3) Findthe coordinates of point P that partitions Segment AB in the ratio 3:2.
Guest
Sep 5, 2020
+1
549
2
+79
Interval Notation
How do you write x>3 or x<3 in interval notation?
(Or means union)
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TheLovely1
Sep 5, 2020
+1
679
1
+230
geometry question
The two externally tangent circles each have a radius of 1 unit. Each circle is tangent to three sides of the rectangle. What is the area of the shaded region? Express your answer in terms of pi.
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Ericthegg123
Sep 5, 2020
0
435
1
math home work
is 7.9 irrational
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Guest
Sep 5, 2020
0
503
2
need help with algebra
Find three consecutive odd integers such that the sum of the smallest and four times the largest is 61. Please list the numbers from least to greatest with just a space in between
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Guest
Sep 5, 2020
0
449
1
please help
Spiderman has $350 in his account and his earnings $25 per day. Batman has $200 in his account and earns $35 per day. After how many days, d, will Spiderman have more than Batman.
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Guest
Sep 5, 2020
0
267
0
geometry problem
ABCD is a trapezoid with AD || BC. AD is extended to the right, and a parallel to BA is drawn from point C. The two meet at point E. Now, we draw the segment BE. Find the ratio of AD to BC if the following conditions
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Guest
Sep 5, 2020
0
330
1
probability
A bug is at a vertex of a cube. The bug can only move from one vertex to a connected vertex. Find the probability that after 6 moves, the bug is at the same vertex that it started at.
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Guest
Sep 5, 2020
+1
535
1
+230
Urgent pls help!
In traingle ABC, BC=4, AC=3sqrt(2), and angle c is 45 degress. Altitudes AD, BE, and CF intersect at the orthocenter H. Find AH:HD.
I tried this problem but failed.
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Ericthegg123
Sep 5, 2020
0
306
1
algebra
Solve (| x+2 |−1)(| x−3| +5)<0
I don't know what to do with absolute value.
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Guest
Sep 5, 2020
0
443
1
how to do midpoint
The midpoint of AB is M(6,1). If the coordinates of A are (4,8), what are the coordinates of B?
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Guest
Sep 5, 2020
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336
1
problem on geometry
The sum of the lengths of any two sides of a triangle must be greater than the third side. If a triangle has one side that is 12cm and a second side that is 3cm less than twice the third side, what are the possible lengths for the second and third sides?
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Guest
Sep 5, 2020
0
494
3
math homework
is 7.9 a rational number
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Guest
Sep 5, 2020
0
278
0
geometry problem
Circle O has a radius of 5 units. Points A and B are on the circle with AB=8. Circle C is tangent to AB at a point one unit from A. It is also tangent to Circle O. The centers of O and C are on opposite sides of AB. What is the radius of Circle C?
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Guest
Sep 5, 2020
0
277
0
math homework
Please help, I don't know how to do thsse.
Guest
Sep 5, 2020
0
475
1
Helppp
Imagine we have 3 identical boxes. In one of the boxes are red balls, in another are green balls, and in another, there are both red and green balls. Matt writes labels and puts them on the boxes: Box 1 gets the label RED, Box 2 gets GREEN, and Box 3 gets
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Guest
Sep 5, 2020
0
455
1
geometry
Don't understand, please help
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Guest
Sep 5, 2020
+2
541
1
+230
URGENT NEED HLP ASAP!
Medians DP and EQ of traingle DEF are perpendicular. If DP=18 and EQ=24, then what is DE?
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Ericthegg123
Sep 5, 2020
0
383
1
please help
When working together, Arthur and Bea can complete a job in 4 hours. Arthur and Chester can complete the same job in 5 hours. Bea and Chester can complete the same job in 6 hours. How will it take all 3 people working together?
<
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Guest
Sep 5, 2020
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