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Post New Question
All Questions
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232802 Questions
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328
1
help system
Find the value of a so that the system has no solutions.
y = 11x + 14
2x - 4 = ax + 7 - 3x
read more ..
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Guest
Aug 28, 2021
0
316
1
help 3d geo
Rectangle ABCD is the base of pyramid PABCD. If AB=8, BC=4, PA perpendicular to AD, PA perpendicular to AB, and PB=15. Then what is the volume of PABCD?
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Guest
Aug 28, 2021
0
358
1
math problem
Robert is twice as old as Charlotte. Five years ago his age was three times Charlotte's age. Find their present ages.
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Guest
Aug 28, 2021
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403
1
+108
Don’t forget to ANSWER!!!!!
https://web2.0calc.com/questions/help-me-to-solve-this-problem
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KourageKowardlyDog
Aug 28, 2021
0
213
0
help with counting
How many continuous paths from A to B, along segments of the figure, do not revisit any of the six labeled points?
Guest
Aug 28, 2021
0
198
0
System
Find the ordered pair, (s, t) that satisfies the system
(s/2) - 3t = -1,
3t - 2s = 3
Guest
Aug 28, 2021
Aug 27, 2021
0
334
1
Algebra
Mr and Mrs. Wilson have 3 children: Jessica, Jeremy, and Jenna. The average of Jessica and Jeremy's age is 11. The average of all three children's ages is 10 . How old is Jenna?
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Guest
Aug 27, 2021
0
343
2
help word problem
Bob has 20 dollars. Bill has y dollars.
They decided to go to the movies. They only paid for their own tickets. Bob spent 2/5 of his money and Bill spent 4/15 of his money.
If the tickets were the same amount of money, how much money does Bill have?
read more ..
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Guest
Aug 27, 2021
0
357
4
Pls help T_T seriously
Find constants $A$ and $B$ such that \[\frac{x - 7}{x^2 - x - 2} = \frac{A}{x - 2} + \frac{B}{x + 1}\]for all $x$ such that $x\neq -1$ and $x\neq 2$. Give your answer as the ordered pair $(A,B)$.
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Guest
Aug 27, 2021
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205
0
Complex Numbers
The equation of the line joining the complex numbers -5+4i and -7+2i can be expressed in the form for some complex numbers a and b. Find the ordered pair (a,b).
Guest
Aug 27, 2021
0
328
0
cant solve
Owen made 60% of the shots he attempted during his hockey practice. He made 18 shots. How many shots did Owen attempt during his hockey practice?
https://web2.0calc.com/questions/cant-solve/edit
Guest
Aug 27, 2021
0
187
0
Functions
Suppose a function f(x) is defined on the domain [-8,4]. If we define a new function g(x) by
g(x) = f(2x^2),
then what is the domain of g(x)? Express your answer in interval notation.
Guest
Aug 27, 2021
0
198
0
Algebra
What is the sum of the x-values that satisfy the equation $5=\frac{x^3-8x}{x+2}$?
Guest
Aug 27, 2021
+1
351
1
Please help me by midnight
Alex, Justin and Roy shared a sum of money. Alex received 1/2 of the total share of Justin and Roy. Justin received 1/3 of the total share of Alex and Roy. If Roy received $180 more than Justin, how much was the sum of money they shared?
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Guest
Aug 27, 2021
0
447
4
How are to do this question?
After spending 1/9 of his money on a basketball and 1/4 of the remainder on a calculator, Jimmy had $54 left. How much money did he have at first?
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Guest
Aug 27, 2021
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283
1
Need steps and answer thank you
"Pie-O-Mania" bakery bakes pies. They bake 3/4 as many apple as banana pies and 5/9 as many cranberry as apple pies daily. Given that the bakery bakes 63 more banana than cranberry pies daily, how many apple pies does the bakery bake daily?
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Guest
Aug 27, 2021
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237
1
Coordinates
A line passes through the point (-4,-1) and has a slope of -5/4. write an equation in slope intercept-form for this line
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Guest
Aug 27, 2021
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216
1
Counting
There are 8 sprinters in the Olympic 100-meter finals, but 2 of them are disqualified. The gold medal goes to first place, silver to second, and bronze to third. In how many ways can the medals be awarded?
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Guest
Aug 27, 2021
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209
0
Algebra
Given that x = -5 is a root to the quadratic 2x^2 + px - 15 = 0, and the quadratic equation p(x^2 + x) + k = 0 has equal roots, find k.
Guest
Aug 27, 2021
0
352
1
help with math
Julie is reading a 374-pagenovel. It takes her 6 days to read the first 132 pages. At this rate, how many more days will it take her to finish the novel?
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Guest
Aug 27, 2021
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195
0
help coordinates
Given the points C(-1,-5) and D(-7,-11), find the coordinates of point E on CD such that the ratio of CE to ED is 5:8.
Guest
Aug 27, 2021
0
527
1
Hi, I’m stuck in this question. Can you please help. Thanks!
John had only 10-dollar notes and David had only 5-dollar notes. The number of notes John had was 2/3 of the number of notes David had. After John had given David $450 in $10 notes, the number of notes John had was 1/6 of the number of notes David had.
read more ..
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Guest
Aug 27, 2021
0
267
1
Algebra
Suppose $\frac ab = \frac35$,$\frac bc=\frac{1}{5}$, and $\frac cd = \frac{1}{6}$. What is the value of $\frac ad$? Express your answer in simplest form.
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Guest
Aug 27, 2021
0
422
2
can you kindly teach me how to do this
Jerell bought 3200 Christmas ornaments. He gave 2/5 of the ornaments to his friends and uses 5/6 of the remaining ornaments to decorate 60 larges and small Christmas trees.
(a) What fraction of the ornaments did Jerell use to decorate
read more ..
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Guest
Aug 27, 2021
0
371
1
+111
Math
James had 1/2 the number of stamps David had at first. After David gave 14 of his stamps to James, James had 2/3 the number of stamps David had. How many stamps did James have at first?
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Aug 27, 2021
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