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Post New Question
All Questions
+0
234927 Questions
0
254
1
plz help
What is the sum of the digits in 2^2999*5^3002?
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Guest
Oct 6, 2021
0
355
1
Pls help me with this question. Thx.
Luke and Mike have some □.
Luke has 5 fewer □ than of the total number of □.
read more ..
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Guest
Oct 6, 2021
0
434
3
help!!!
Billy is hiking in Colorado. He walks eastward four miles, then turns degrees northward and walks six miles. How far is he from his starting point? Express your answer in simplest radical form.
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Guest
Oct 6, 2021
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203
0
Algebra
Let a, b, c be the roots of the cubic polynomial x^3 - x - 1 = 0. Find (a(b - c) + b(c - a) + c(a - b))^2.
Guest
Oct 6, 2021
0
421
1
Find the Ordered Pairs (m,n)
Find the number of ordered pairs (m,n )which satisfy the system
4(m-n)=7(1-n),
(3/2)n=4-2m
read more ..
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Guest
Oct 6, 2021
0
363
1
Geometry
The diagonals of a rhombus measure 18 feet and 12 feet. What is the area of the rhombus?
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Guest
Oct 6, 2021
Oct 5, 2021
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345
1
Geometry
A rhombus has sides of length 51 units each and a shorter diagonal of length 46 units. What is the length, in units, of the longer diagonal?
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Guest
Oct 5, 2021
0
376
1
Number Theory question
How many values of satisfy both of the following conditions?
(a) x is a multiple of 7, not necessarily positive.
(b) x^2 is less than 5000.
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Guest
Oct 5, 2021
0
212
0
help probability
What is the probability of drawing 3 kings and 2 aces in a 5 card hand of poker?
Guest
Oct 5, 2021
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215
0
geometry
thank u!
Guest
Oct 5, 2021
0
393
1
Quadratic
Jack rewrites the quadratic 9x^2 - 30x - 42 - x^2 - 2x in the form of (ax + b)^2 + c, where a, b, and c are all integers. What is ab?
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Guest
Oct 5, 2021
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333
1
Quadratic
What is the minimum value of 5x^2-20x+1357+x^2-4x?
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Guest
Oct 5, 2021
0
301
1
Pls answer it in the old question
https://web2.0calc.com/questions/help-electricpavlov-or-anyone-can-help-me
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Guest
Oct 5, 2021
0
385
1
Polygon
The measures of the interior angles of a convex decagon are 21x°, 154°, 118°, 106°, 15x°, 165°, 172°, 162°, 151°, and 160°. What is the measure of the smallest interior angle?
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Guest
Oct 5, 2021
0
303
1
PLEASE HELP ASAP
Let ABCDEFGH be a rectangular prism, where EF = 4, EH = 5, and EA = 6. Find the volume of pyramid CFAH.
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Guest
Oct 5, 2021
0
273
1
plz help
The sides of triangle XYZ are XY = XZ = 25 and YZ = 20. A semicircle is inscribed in triangle XYZ so that its diameter lies on and is tangent to the other two sides. Find the area of the semicircle.
read more ..
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Guest
Oct 5, 2021
0
437
3
PLEASE HELP ME
A rectangular prism has a total surface area of 56. Also, the sum of all the edges of the prism is 60. Find the length of the diagonal joining one corner of the prism to the opposite corner.
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Guest
Oct 5, 2021
0
352
1
+22
equations
Nancy is building a set of reference materials for her office. She can choose from 2 dictionaries, 6 thesauruses, 2 writing guides, and 3 Spanish-English dictionaries. Assuming she wants only one of each type of book, how many different sets of reference
read more ..
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Animecatgirl
Oct 5, 2021
+1
348
1
help geometry
Rhombus ABCD has perimeter 148, and one of its diagonals has length 28. what is the area of ABCD?
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Guest
Oct 5, 2021
0
411
1
How to do
There were some marbles in Box A and Box B.
Joel took out of the marbles from Box A and put
all of them into Box B. The ratio of the number of
marbles in Box A to the number of the marbles in
read more ..
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Guest
Oct 5, 2021
0
219
0
help
https://web2.0calc.com/questions/triangle-inequality_6
write the answer on the old page plz
Guest
Oct 5, 2021
+1
378
2
+22
fractions
What is the percent of increase from 2.5 to 6.3?
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Animecatgirl
Oct 5, 2021
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343
1
help coordinates
Consider the rectangular region with the following points as vertices: (5,4), (-5,4), (-5,-8), (5,-8). How many points with integer coordinates will be strictly in the interior of this rectangular region?
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Guest
Oct 5, 2021
0
229
0
Alex
Alex has 39 marbles in a marble bag, namely 6 red, twice as many blue as red
and twice as many yellow marbles as green marbles.
a) How many marbles of each color does Alex have in his marble bag?
b) With his eyes closed, how many marbles must he
read more ..
Guest
Oct 5, 2021
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