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Post New Question
All Questions
+0
234927 Questions
-2
453
1
+335
HALPPPP!!!
The lines and intersect at the point (1,2). What is a+b?
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Rayjplayz
Jul 8, 2020
0
460
2
please help
How do you compute this sum?
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Guest
Jul 8, 2020
0
660
4
+80
Fractional Exponents
When fully simplified, can be written in the form , where a, b, and c are positive integers. What is the value of ?
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Unicornrabbit
Jul 8, 2020
0
739
2
+93
help asap
My street hockey team plays three games each week. My team lost all 12 games in the first four weeks. Then, my team won two games and lost one game in the fifth week, bringing our record to 2 wins and 13 losses. Each week after that, my team won two games
read more ..
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stuckonmyproblem
Jul 8, 2020
0
373
1
pleas help asap
In the SuperLottery, three balls are drawn (at random) from ten white balls numbered from 1 to 10, and one SuperBall is drawn (at random) from ten red balls numbered from 11 to 20. When you buy a ticket, you choose three numbers from 1 to 10 and
read more ..
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Guest
Jul 8, 2020
0
391
1
help
The sum of the first four terms of an arithmetic progression is 56. The sum of last four terms of same progression is 112. If the first term is 11, find the number of terms in this arithmetic progression.
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Guest
Jul 8, 2020
0
383
1
Help please! ASAP
The system of equations
has exactly one solution. What is in this solution?
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Guest
Jul 8, 2020
0
395
2
help
There are ten numbers in a certain arithmetic progression. The sum of first three terms is 321. The sum of last three numbers is 405. Find the sum of all the ten numbers.
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Guest
Jul 8, 2020
0
471
1
Pls help! I am stuck!
Brenda is going from (-4, 5) to (5, -4), but she needs to stop by the origin on the way. How far does she have to travel?
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Guest
Jul 8, 2020
0
498
1
z^4=-4
Hey guys, here are some difficult questions:
Solve z^2=2i
read more ..
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Guest
Jul 8, 2020
0
484
1
Rhombus
ABCD is a rhombus. If AB=(12x-456), CD=(11x-458), find the value of X.
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Guest
Jul 8, 2020
0
564
1
+174
Welppp
What is the sum of the smallest and second-smallest positive integers a satisfying the congruence
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Forumofweb2.0cal
Jul 8, 2020
0
687
1
+223
Please help, I can't get a straight answer for this problem
Peter purchased a pentagonal pen for his puppy Piper. Now Peter wants to decorate the new pen for Piper, and he would like to paint each side of the pen either red, green, or blue so that each wall is a solid color.
Peter can only paint at night when
read more ..
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CPhilFanboy
Jul 8, 2020
0
374
0
algebra
There exist an geometric progression with infinite terms such that its sum is 3 and sum of the square of each term in the progression is 81. Find the first term.
Guest
Jul 8, 2020
0
448
1
math
if x=10 then what does 10x equal
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Guest
Jul 8, 2020
0
557
1
help
A merchant blends tea that sells for $4.75 a pound with tea that sells for $2.50 a pound to produce 110 lb of a mixture that sells for $3.85 a pound. How many pounds of each type of tea does the merchant use in the blend?
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Guest
Jul 8, 2020
0
395
1
help
Find the lettered angles.
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Guest
Jul 8, 2020
0
485
1
Help due today
Let x and y be integers. Show that 9x + 5y is divisible by 19 if and only if x + 9y is divisible by 19.
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Guest
Jul 8, 2020
0
471
1
help
Solve the inequality, 3x-1<5x+8<2x+15, giving the solution set as an interval.
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Guest
Jul 8, 2020
0
498
2
help
Find the bigger angle in degrees formed between the hour hand and the minute hand at exactly 9:209:20.
Note: The red color is the hour hand and the yellow color is the minute hand.
read more ..
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Guest
Jul 8, 2020
+2
881
2
+306
Find constants a and b such that for all x such that x≠-1 and x≠2.
Find constants a and b such that for all x such that x≠-1 and x≠2.
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mathmathj28
Jul 8, 2020
0
932
5
DE question
In a chemical reaction, a compound X is formed from two compounds Y and Z. The masses in grams of X, Y and Z present at time t seconds after the start of the reaction are x, 10 – x and 20 – x respectively. At any time the rate of formation
read more ..
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Guest
Jul 8, 2020
0
627
3
help
You went on a 360km train ride but you are late! If the train had just been 5 km/hr faster, then the train ride would have been one hour shorter. How fast was the train going?
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Guest
Jul 8, 2020
0
576
1
+174
Helpp
Let n be a positive integer and a, b be invertible integers modulo n such that . What is the remainder when ab is divided by n?
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Forumofweb2.0cal
Jul 8, 2020
0
896
1
+174
Halppp
A book is said to have n leaves if it is composed of n pieces of paper. On the other hand, the number of pages is twice the number of leaves because each side of a piece of paper is defined as a page.
If the number of pages in a book is 3 more than a
read more ..
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Forumofweb2.0cal
Jul 8, 2020
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