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All Questions
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230833 Questions
0
413
1
probability question
If P(A) = 0.45, P(B) = 0.7, and P(A and B) = 0.65, then find P(A or B).
Please help!
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Guest
Sep 11, 2020
Sep 10, 2020
0
376
1
Help plz
Madeline has eight dogs. The mean weight of the lightest six is 40 pounds. The mean weight of the heaviest six is 55 pounds. What is the least possible range of weights of her dogs?
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Guest
Sep 10, 2020
0
822
3
math question
Of the 60 people in a room, three-fourths (3/4) of the people are men and two-fifths (2/5) of the people have blonde hair. What is the least number of men in the room who could have blonde hair?
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Guest
Sep 10, 2020
0
439
1
What is the smallest positive integer that has 2015 divisors?
What is the smallest positive integer that has 2015 divisors?
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Guest
Sep 10, 2020
0
401
1
Interesting Math Question!
What is the smallest positive integer that has 2015 divisors?
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Guest
Sep 10, 2020
0
360
1
system
Solve
x + 2y - 3z = 9
2x - y + 2z = -8
read more ..
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Guest
Sep 10, 2020
+1
560
2
+30
Algebra
Find the largest value of n such that 3x^2 +nx + 72 can be factored as the product of two linear factors with integer coefficients.
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VioIynx
Sep 10, 2020
0
828
1
algebra 2
If the graph of the second equation in the system passes through the points
(-12, 20) and (4, 12), which statement is true?
A The only solution to the system is (10,5).
B The only solution to the system is (0, 14).
C The system has no solution. <#> D
read more ..
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Guest
Sep 10, 2020
0
460
1
+8
confused with this also
A test has twenty questions worth 100 points. The test consists of true/false questions worth 3 points each and multiple choice questions worth 11 points each. How many multiple choice questions are on the test?
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KOT777
Sep 10, 2020
0
402
0
+50
Find the dervative of y with respect to the given independent variable
Find the dervative of y with respect to the given independent variable
y = log3 [ ( (x+1)\(x-1) )ln3]
Lolaaaaaa1999
Sep 10, 2020
0
407
0
+50
Fond the dervative of y with respect to the goven independent variable .
Fond the dervative of y with respect to the goven independent variable .
y=log2r . Log4r
Lolaaaaaa1999
Sep 10, 2020
0
555
1
+8
i need help on this word problem for algebra 1
The admission fee to the Michigan State Fair is $6 for children and 4 dollars for adults. On the first day, 220 people entered the fair and $1250 was collected. How many children and how many adults attended the fair?
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KOT777
Sep 10, 2020
0
843
1
A proposal will make years that end in double zeroes a leap year only if the year leaves a remainder of 200 or 600 when divided by 900. Unde
A proposal will make years that end in double zeroes a leap year only if the year leaves a remainder of 200 or 600 when divided by 900. Under this proposal, how many leap years will there be that end in double zeroes between 1996 and 4096?
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Guest
Sep 10, 2020
0
739
1
PLEASE HELP
To promote her school's annual Kite Olympics, Genevieve makes a small kite and a large kite for a bulletin board display. Her small kite is drawn on a one-inch grid, as shown below
read more ..
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Guest
Sep 10, 2020
0
885
1
Which system of inequalities is represented by the graph?
Which system of inequalities is represented by the graph?
read more ..
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Guest
Sep 10, 2020
0
563
1
Help, I don't really understand how to do this. Help ASAP would be appreciated.
The Petersonian alphabet consists of the 5 letters: O, R, Z, S, T. Any sequence of 1-7 letters is a valid word in this language (including words with repeated letters). How many different words does the Petersonian language
read more ..
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Guest
Sep 10, 2020
0
452
1
help please
Find the area of the triangle bounded by the y-axis and the lines y-3x=-2 and 3y+x=12.
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Guest
Sep 10, 2020
0
452
1
geometry
What is the length of AC?
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Guest
Sep 10, 2020
0
363
1
I know this has been answered but I still don't understand
If is a constant and if there exists a unique value of for which the quadratic equation has one real solution, then find .
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Guest
Sep 10, 2020
+1
532
1
+230
pls help
If m+1/m=8, then what is the value of m^2+1/m^2+4?
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Ericthegg123
Sep 10, 2020
0
562
1
triangle geometry
Let triangle XOY be a right-angled triangle with XOY being 90 degrees. Let M and N be the midpoints of legs OX and OY respectively. Given that XN=24 and YM=31, find XY (aka the hypotenuse).
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Guest
Sep 10, 2020
0
316
1
help
Find the sum: 1∙1! + 2∙2! + 3∙3! + 4∙4! + ... + 100∙100!
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Guest
Sep 10, 2020
0
329
1
previous answer was unclear
2 diagonals of a regular heptagon (a 7-sided polygon) are chosen. What is the probability that they intersect inside the heptagon?
I saw this on the forum but the answer was unclear. Help!
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Guest
Sep 10, 2020
0
615
5
please help me
In the diagram below, $BC$ is 8 cm. In square centimeters, what is the area of triangle $ABC$?
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Guest
Sep 10, 2020
0
247
0
help with algebra
Given f(x) = x² + 5x and g(x) = 3x - 5, find and simplify f(2a) + g(a - 1)
Guest
Sep 10, 2020
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