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Post New Question
All Questions
+0
234802 Questions
0
513
1
Help!
I have 5 different biology textbooks and 4 different economics textbooks. In how many ways can I place the 9 textbooks on a bookshelf, in a row, if there must be an economics textbook in the middle, and there must be a biology textbook at
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Guest
Apr 5, 2020
0
410
1
A and B are constants such that . Find .
A and B are constants such that . Find .
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Guest
Apr 5, 2020
+2
541
3
+46
help i dont get it
If x, y, and z are positive integers such that 6xyz+30xy+21xz+2yz+105x+10y+7z=812, find x+y+z.
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derpiiXD
Apr 5, 2020
0
324
0
please help
The newest triangular prism pop is strawberry-apple. For the triangular faces, the base is 4 cm and the height is 3 cm. The other side of the triangle is 5 cm and the length of the rectangular area is 8 cm. What is the surface area of this pop?
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Guest
Apr 5, 2020
0
1076
1
help
Assume the only grades possible in a history course are A, B, C, or lower than C. The probability that a randomly selected student will get an A in the course is 0.44, the probability that a student will get a B in the course is 0.24, and the probability
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Guest
Apr 5, 2020
-1
522
1
+170
Help
Let be the set of all real numbers such that and . The set is the union of a finite number of disjoint intervals. Compute the total length of all these intervals.
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FlyEaglesFly
Apr 5, 2020
0
1157
1
+49
HELP PLEASE AND THANK YOU
Two years ago there were 20 trailer homes on Elm Street with an average age of 18 years. At that time, a group of brand new trailer homes was then added to Elm Street. Today, the average age of all the trailer homes on Elm Street is 14 years. How many new
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amphat100
Apr 5, 2020
+8
484
1
+1072
Help Please!!!
Find positive integers (a,b) so that
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SpongeBobRules24
Apr 5, 2020
+8
548
7
+1072
Help Please!!!
https://web2.0calc.com/questions/help-please_64881
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SpongeBobRules24
Apr 5, 2020
0
565
1
Help pls
Let $f(x)$ be a quadratic polynomial such that $f(-4) = -22,$ $f(-1)=2$, and $f(2)=-1.$ Let $g(x) = f(x)^{16}.$ Find the sum of the coefficients of the terms in $g(x)$ that have even degree. (For example, the sum of the coefficients of the terms in $-7x^3
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Guest
Apr 5, 2020
0
436
1
The asymptotes of a hyperbola are and Also, the hyperbola passes through Find the distance between the foci of the
The asymptotes of a hyperbola are and Also, the hyperbola passes through Find the distance between the foci of the hyperbola.
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Guest
Apr 5, 2020
0
523
0
help
A hand consists of 4 cards from a well-shuffled deck of 52 cards.
a. Find the total number of possible 4-card poker hands.
b. A spade flush is a 4-card hand consisting of all spade cards. Find the number of possible spade flushes.
c. Find the
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Guest
Apr 5, 2020
0
407
1
The line intersects the parabola at points and Let Find
The line intersects the parabola at points and Let Find
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Guest
Apr 5, 2020
0
1991
1
help
In a certain Algebra 2 class of 21 students, 6 of them play basketball and 14 of them play baseball. There are 5 students who play neither sport. What is the probability that a student chosen randomly from the class plays both basketball and baseball?
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Guest
Apr 5, 2020
0
738
1
ADDIND AND SUBTRACT FRACTION WORD PROBLEM
Nina added 1/3 of a cup of walnuts to a batch of trail mix. Later, she added 2/3 of a cup of almonds. How many cups of nuts did Nina put in the trail mix in all?
Write your answer as a fraction or as a whole or mixed number.
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Guest
Apr 5, 2020
0
480
1
What is the Value of (30√(5-4cosθ)-1)/(5-4cosθ) 2tanθ=10
Please help -- What is the Value of θ ??
(30√(5-4cosθ)-1)/(5-4cosθ) 2tanθ=10
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Guest
Apr 5, 2020
0
340
0
physics
what is the standard error for 9.94,9.78,9.88?
Guest
Apr 5, 2020
0
477
1
geometry
What is the area of a regular pentagon with a side of 10 inches
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Guest
Apr 5, 2020
0
512
1
help
The sum of Jack and his father's ages is 52. Jack's father's age is 2 less than 5 times Jack's age. Find the ages of Jack and his father.
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Guest
Apr 5, 2020
0
521
1
help
Thomas is three times as old as Toby. Terrence is 13 years younger than Toby. The sum of the ages of Thomas, Terrence and Toby is 72. How old is Toby?
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Guest
Apr 5, 2020
-2
652
4
Consider the system of quadratic equations
Consider the system of quadratic equations
where is a real number.
(a) For what value(s) of will the system have exactly one solution
(b) For what value(s) of will the system have more than one real
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Guest
Apr 5, 2020
-1
616
6
+54
Please help :)
Please simplify this.
Thanks!
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MagnusMathematician
Apr 5, 2020
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