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Post New Question
All Questions
+0
235535 Questions
0
522
1
+132
algebra
Let and be real numbers such that and Find the maximum value of .
any tips / hints / solutions would be greatly appreciated! :)
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macar0ni
Feb 4, 2021
Feb 3, 2021
0
877
4
rate question
Salma drove 756 miles in 12 hours.At the same rate, how long would it take her to drive 567 miles?
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Guest
Feb 3, 2021
0
274
0
counting
In how many ways can you put seven marbles in different colors into four jars? Each jar must contain at least one marble.
Guest
Feb 3, 2021
0
309
0
This is hard one:
Given that $2^x = 7$, find the value of $4^{x-1}$.
Guest
Feb 3, 2021
0
370
1
help
What fraction of the solutions to (x+1)^2 +(y−3)^2 ≤ 9 are also solutions to (x+1)^2 +(y−3)^2 ≤ 4?
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Guest
Feb 3, 2021
0
463
1
help probability
Find the probability of having 2,3, or 4successes in five trials of a binomial experiment in which the probability of success is 40%.
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Guest
Feb 3, 2021
0
381
2
half-life
How much of a radioactive kind of copper will be left after 39 hours if you start with 64 grams and the half-life is 13 hours?
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Guest
Feb 3, 2021
0
346
1
pls help
Simplify: $$\sqrt{15 - 6\sqrt{6}} + \sqrt{15 + 6\sqrt{6}} $$
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Guest
Feb 3, 2021
0
707
2
+1982
Cash is _____ in the form of _____ _____ OR _____.
Cash is _____ in the form of _____ _____ OR _____.
Blank # 1 _____
Blank # 2 _____
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macabresubwoofer
Feb 3, 2021
-1
504
3
+328
How many counting numbers less than 100000 have only even digits?
How many counting numbers less than 100000 have only even digits?
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Potatobird
Feb 3, 2021
0
369
1
+130
something
Find the ordered pair (s, t) that satisfies the system
s/2 - 3t= -1, 3t-2s=3
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mintjellyxd
Feb 3, 2021
0
376
2
Find two consecutive positive integers
Find two consecutive positive integers such that the square of the smaller increased by 4 times thelarger is 64
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Guest
Feb 3, 2021
0
338
1
geometry
The figure below consists of four semicircles and the 16-cm diameter of the largest semicircle. What is the total perimeter of the two shaded regions? Use 3.14 as an approximation for pi, and express your answer as a decimal to the nearest tenth.
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Guest
Feb 3, 2021
0
435
1
+45
Not sure
Four circles of unit radius are drawn with centers , , , and . A circle with radius is drawn with the origin as its center. What is the area of all points that are contained in an odd number of these circles? (Express
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aDumbDude
Feb 3, 2021
0
358
1
line
A line has a slope of -7/3 and its y-intercept is (0,18) . What is its x-intercept?
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Guest
Feb 3, 2021
0
347
0
+4
fraction-exponents
How do I make fraction-exponents in web2.0calc ?
Lennon
Feb 3, 2021
0
322
1
counting
How many ways are there to divide a group of 6 friends among the basketball team, the soccer team, the track team, and the croquet team? (Each team could have anywhere from 0 to 6 of the friends on it. Assume the friends are distinguishable.)
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Guest
Feb 3, 2021
0
889
1
+236
At Tomi's middle school, 40% of the students are boys.
At Tomi's middle school, 40% of the students are boys. Fifty percent of the boys chose blue as their favorite color, while 20% of the girl students chose blue as their favorite color. Of the students who chose blue as their favorite color, what fraction
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Choff
Feb 3, 2021
0
281
0
precalculus
For how many values of 0 <= x < 3600 satisfy sin(x) = -0.73?
Guest
Feb 3, 2021
0
512
1
write a corresponding real world problem to represent : 80 - 3x = 53.
write a corresponding real world problem to represent : 80 - 3x = 53.
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Guest
Feb 3, 2021
0
596
1
+236
James has a collection of 20 miniature cars and trucks.
James has a collection of 20 miniature cars and trucks. Cars make up 40% of the collection. If James adds only cars to his collection, how many cars must he add to make the collection 75% cars?
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Choff
Feb 3, 2021
0
463
2
Solve. Please show your work.
y= -3x + 5
5x - 4y = -3
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Guest
Feb 3, 2021
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