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Post New Question
All Questions
+0
231390 Questions
0
314
1
pls help asap
If two lines $l$ and $m$ have equations $y = -x + 6$, and $y = -4x + 6$, 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
Jul 31, 2020
+1
512
1
+49
PLEASE HELP!!!!!
Suppose that $f$ is an invertible function from $(-\infty,\infty)$ to $(-\infty,\infty)$. If $f(f(x))=x$, find $f(x)-f^{-1}(x)$.
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GrOoVyCoW
Jul 31, 2020
0
482
3
percent question
Find the percent increase from 50 to 77. I don't understand percents.
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Guest
Jul 31, 2020
0
665
1
Find the value of $c$ such that the three points $(5,5),$ $(-3,1)$, and $(6,c)$ lie on the same line. Note: Three points are on the same li
Find the value of such that the three points , and lie on the same line.
Note: Three points are on the same line if the slope of the line through any two points is always the same
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Guest
Jul 31, 2020
0
464
4
Please help asap !!
Fred the ant is on the real number line, and Fred is trying to get to the point 0
If Fred is at 1 then on the next step, Fred moves to either 0 or 2 with equal probability. If Fred is at 2 then on the next step, Fred always moves to 1
Let e^1 be expected
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Guest
Jul 31, 2020
0
323
1
Quadratic Inequalities
What is the value of $b+c$ if $x^2+bx+c>0$ only when $x\in (-\infty, -2)\cup(3,\infty)$?
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Guest
Jul 31, 2020
0
445
3
please help
It takes 20 minutes for 5people to paint 5 walls. How many minutes does it take 9 people to paint 9walls?
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Guest
Jul 31, 2020
0
515
1
how do you solve this
sandra is 18 years older than jason. in three years she will be three times as old as jason will be then. how old was sandra 2 years ago?
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Guest
Jul 31, 2020
0
410
1
HELP ASAP!!
Let $x = \sqrt{\frac{\sqrt{53}}{2} + \frac{3}{2}}.$ There exist unique positive integers $a,$ $b,$ $c$ such that \[x^{100} = 2x^{98} + 14x^{96} + 11x^{94} - x^{50} + ax^{46} + bx^{44} + cx^{40}.\]Find $a + b + c.$
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Guest
Jul 31, 2020
0
452
2
+12
Interest Rates
Angela has deposited $8,000 into an account that pays 6% interest compounded annually.
Bob has deposited $10,000 into an account that pays 7% simple annual interest.
In 20 years Angela and Bob compare their respective balances. To
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LoryLullic
Jul 31, 2020
0
400
1
+12
exponent powers
If is a real number such that , find . Thank you!
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LoryLullic
Jul 31, 2020
0
774
1
Help, idk how to do this
What is the least positive integer which when divided by 5 gives a remainder of 4, when divided by 6 gives a remainder of 5, when divided by 7 gives a remainder of 6, when divided by 8 gives a remainder of 7, when divided by 9 gives a remainder of 8, and
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Guest
Jul 31, 2020
0
496
3
+4
Degree display
How do you visualize degrees in this forum? I am using Unicode characters from here https://exoticfonts.com/small-text/
like 6³¹¹³¹. But they are not displayed on all devices
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SteveXA
Jul 31, 2020
0
420
1
coordinates
In the graph, lines f and g intersect at P(6,6). What is the area, in square units, of the shaded region?
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Guest
Jul 31, 2020
0
445
2
number theory
Find the units digit of the number
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Guest
Jul 31, 2020
0
547
1
please help
Simplify
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Guest
Jul 31, 2020
0
907
1
help with counting
A passcode can have 5 or 6 digits. Digits can be repeated and leading 0s are allowed. So, 1234 would be a 4 digit code that is different from 01234, which is a 5 digit code. How many different passcodes are possible
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Guest
Jul 31, 2020
0
1173
1
+107
Let P=(a,b) be the point of intersection of the line y=2x-10 and the line through (7,8) and (9,0). Compute a+b.
Let P=(a,b) be the point of intersection of the line y=2x-10 and the line through (7,8) and (9,0). Compute a+b.
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xplosions
Jul 31, 2020
0
739
3
+48
How can data or a graph be misleading?
How can data or a graph be misleading?
a) having bias
b) not using outliers
c) using correct scales
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ElitBabbi
Jul 31, 2020
0
544
1
+48
Please help
Please help me
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ElitBabbi
Jul 31, 2020
0
621
3
+223
Really tough geometry problem, can someone please help?
The vertices of a triangle are the points of intersection of the line y = -x-1, the line x=2, and Find an equation of the circle passing through all three vertices.
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envoy
Jul 31, 2020
0
559
2
+79
Roots
I need help with this... A clue, please?
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TheLovely1
Jul 31, 2020
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