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Post New Question
All Questions
+0
230640 Questions
+1
360
1
help
If the Lucas numbers be defined by the recurrence relation
Then find the value of
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Guest
Jun 29, 2020
+1
388
0
help
Let △ABC and △CDE be equilateral triangles of the same size, and ∠BCD=80∘ between them. Find the measure of ∠BAD in degrees.
read more ..
Guest
Jun 29, 2020
+1
572
1
+49
Uhhhhh, help plz? I thought it was 3/7 but...
A fair coin is flipped 7 times. What is the probability that at least 5 of the flips come up heads? Give your answer as a simplified fraction.
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SavvyBee
Jun 29, 2020
+1
461
1
graphing
What are the asymptotes of the graph of y = (2x + 7)/(x - 4)?
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Guest
Jun 29, 2020
+1
479
1
help
How many of the following statements is/are true?
(1): An odd number is never divisible by an even number.
(2): An odd number is never divisible by another odd number.
(3): An even number is never divisible by an odd number.
(4): An even
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Guest
Jun 29, 2020
-1
472
2
help?
A triangle has side lengths of 10, 24, and 26. Let a be the area of the circumcircle. Let b be the area of the incircle. Compute a - b.
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Guest
Jun 29, 2020
-1
517
4
Someone plz help me out! Geometry Problem
In triangle ABC, M is the midpoint of AB. Let D be the point on BC such that AD bisects angle BAC, and let the perpendicular bisector of AB intersect AD at E. If AB = 44 and ME = 12, then find
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Guest
Jun 29, 2020
0
372
0
help
Find the area of the triangle whose vertices are O(0,0), A(6,3) and B(2, -8).
Guest
Jun 29, 2020
0
340
1
halp pls
If , where x is an integer greater than 1 and k can be represented as a terminating decimal, find the sum of all possible values of k.
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Guest
Jun 29, 2020
0
455
1
please help!
https://web2.0calc.com/questions/please-help_19473
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Guest
Jun 29, 2020
-1
1085
1
+107
help plz
Vanessa will graph the lines and . What is the sum of the x-coordinates of the two lines' x-intercepts? Express your answer as a decimal to the nearest tenth.
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xplosions
Jun 29, 2020
0
478
2
need help
Abigail can mow a particular lawn in 6 hours, but Bob can do it in only 4 hours. If Abigail and Bob work together, how many minutes would it take them to mow the lawn?
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Guest
Jun 29, 2020
0
503
2
help
A monkey is at the bottom of a 30 meters well. During the day he climbs 3 meters.
During the night he slides down 2 meters.
How many days does it need to get out of the well?
Why is the answer not 30?
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Guest
Jun 29, 2020
+1
484
1
need help with algebra
Simplify
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Guest
Jun 29, 2020
0
460
3
PLEASE help!
The roots of x^2 + 5x + 3 = 0 are p and q, and the roots of x^2 + bx + c = 0 are p^2 and q^2. Find b + c.
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Guest
Jun 29, 2020
0
454
1
Help
Is it possible for a quadrilateral to be not a rhombus and not a rectangle?
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Guest
Jun 29, 2020
0
423
1
help
Alvin and Bob can complete a job in 72 days. Bob and Catherine can complete it in 120 days, Alvin and Catherine can complete it in 90 days. In how many days can Alvin alone do the work ?
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Guest
Jun 29, 2020
0
563
3
Help
How many terms of the sequence are less than or equal to ?
off-topic
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Guest
Jun 29, 2020
0
334
0
help
In the coordinate plane, let R be the region defined by 2 <= |x| + |y| <= 4. Find the area of R.
Guest
Jun 29, 2020
0
521
1
help please!
Let $p$ and $q$ be real numbers such that the roots of
\[x^2 + px + q = 0\]
are real. Prove that the roots of
\[x^2 + px + q + (x + a)(2x + p) = 0\]
are real, for any real number $a$
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Guest
Jun 29, 2020
0
468
1
algebra
Let . Find the value of 5a^2 - 5a - 1.
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Guest
Jun 29, 2020
0
452
2
PLEASE HELP!
The roots of x^2 + 5x + 3 = 0 are p and q, and the roots of x^2 + bx + c = 0 are p^2 and q^2. Find b + c.
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Guest
Jun 29, 2020
0
319
0
help
It is the end of the school year, and a teacher is giving out awards to her 3 students. She has 6 distinct awards (for grades, attendance, generosity, etc.) to give out, and she will give each award to the student who is most deserving.
However,
read more ..
Guest
Jun 29, 2020
+1
931
2
+117
help
What is the constant term in the expression 6x3y + 8x2 + 5x + 7? (Input a numeric value only.)
Numerical Answers Expected!
Answer for Blank 1:
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grannygod123
Jun 29, 2020
0
467
2
question for moderators! i spent over half and hour working on this so plpz help! give hints!
If two 2*3 rectangles overlap in the figure shown below, what is the area of teh shaded region?
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Guest
Jun 29, 2020
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