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Post New Question
All Questions
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234777 Questions
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715
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Stats
Class records at Rockwood College indicate that a student selected at random has probability 0.63 of passing French 101. For the student who passes French 101, the probability is 0.93 that he or she will pass French 102. What is the
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Guest
Mar 30, 2020
0
516
2
help please. I don't understand.
Give your answer in a base 12 integer.
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Guest
Mar 30, 2020
0
660
4
+1348
help
Barb has $800 and is spending $30 per week.Claire has $300 and is saving $20 per week.In how many week ,will Bard and Claire have the same amount of money?
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sandwich
Mar 30, 2020
-3
539
3
+422
Help 2.0
Solve Give your answer as an interval.
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AltShaka
Mar 30, 2020
-3
864
11
+422
Help?
All sacks of sugar have the same weight. All sacks of flour also have the same weight, but not necessarily the same as the weight of the sacks of sugar. Suppose that two sacks of sugar together with three sacks of flour weigh no more than pounds,
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AltShaka
Mar 30, 2020
0
535
1
help
A mural of Elvis Presley takes 56 days to complete by seven painters. 28 volunteers join the team after the first six days. How many more days are required before the painting of the king of rock ‘n’ roll is completed?
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Guest
Mar 30, 2020
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465
1
maths
1/4 of my money is $3.15, how much do i have
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Guest
Mar 30, 2020
Mar 29, 2020
-1
595
5
PLEASE HELP!!!!!
Given positive integers x and y such that x not equal to y and 1/x + 1/y = 1/18, what is the smallest possible value for x + y?
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Guest
Mar 29, 2020
+1
573
3
+343
A System.
I am wondering, is there a system for us to get "hearts?" Like answering a question, writing a question, etc. Do your points go down when you ask a question and up when you answer one?
off-topic
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nchang
Mar 29, 2020
0
2058
3
Help??
Find the area of triangle PQR if PQ = QR = 12 and angle PQR = 120.
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Guest
Mar 29, 2020
+1
625
6
help
It takes 63 minutes for four people to paint nine walls how many minutes does it take seven people to paint four walls?
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Guest
Mar 29, 2020
0
740
7
+658
A Solution to Calculator Inaccessibility.
I can't really seem to find a way to use the site's calculator anymore. The default settings on my device block cookies that track your private information, so I can't use the calculator on this website.
This is what it looks like:
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off-topic
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AnExtremelyLongName
Mar 29, 2020
0
680
5
+170
Trig
Compute
jfan17
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FlyEaglesFly
Mar 29, 2020
+2
1235
6
+126
can anyone help :(
A new green technology can be installed in your home for a one-time installation cost of $10,000 and annual maintenance costs of $$650 per year. If the green technology is supposed to save you $1200 each year in energy bills, how many whole years
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thedudethatneedshelp
Mar 29, 2020
+1
523
3
PLEASE HELP!!!
A mathematician works for t hours per day and solves p problems per hour, where t and p are positive integers and 1
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Guest
Mar 29, 2020
+1
513
1
plz help :(
A new green technology can be installed in your home for a one-time installation cost of and annual maintenance costs of per year. If the green technology is supposed to save you each year in energy bills, how many whole
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Guest
Mar 29, 2020
+1
473
1
PLEASE HELP!
A mathematician works for t hours per day and solves p problems per hour, where t and p are positive integers and 1
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Guest
Mar 29, 2020
+1
520
1
+126
someone help me with my graph question
In a rectangular coordinate system, the line 3y=x intersects the line 2x+5y=11 at point A. What is the sum of the coordinates of point A?
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thedudethatneedshelp
Mar 29, 2020
+1
782
1
someone plz help!!
What is the slope of a line parallel to $2x+4y=-17$? Express your answer as a common fraction.
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Guest
Mar 29, 2020
+1
510
1
help
for a vector v, let r be the reflection of v over the line . There exists a 2 X 2 matrix R such that r = Rv for all2-dimensional vectors v. Find R.
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Guest
Mar 29, 2020
+2
809
3
+208
slop
Find the slope of the line shown.
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monkeyree1124
Mar 29, 2020
+1
532
1
+208
graphing
Graph the line given the y-intercept 3 and the slope
m = − 4/5.
Graph the line given the point (1, 3)and the slope m = −4.
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monkeyree1124
Mar 29, 2020
0
624
3
help
A survey of a random sample of registered voters shows that 42% of males and 64% of females plant to vote to re-elect a senator. Predict the overall percent of the votes that the senator will get, assuming that the ratio of males to females who vote in
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Guest
Mar 29, 2020
0
604
5
tough geometry questions. please help :(
1. A circle centered at with radius is externally tangent to a circle centered at with radius A line that is externally tangent to both circles is drawn, where both circles lie on the same side of the line.
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Guest
Mar 29, 2020
0
732
3
What is the slope of the line that is tangent to a circle at point (5,5)...
What is the slope of the line that is tangent to a circle at point (5,5) if the center of the circle is (3,2)? Express your answer as a common fraction.
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Guest
Mar 29, 2020
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