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Post New Question
All Questions
+0
230908 Questions
0
292
1
help
There are numbers A and B for which
A/(x - 1) + B/(x + 1) = (x + 8)/(x^2 - 1)
for every number $x\neq\pm1$. Find A-B
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Guest
Aug 7, 2021
0
235
1
Percent
At first a price was decreased by 12%, then it was discounted again by an addiitional 15%. What is the percent of the total discount?
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Guest
Aug 7, 2021
Aug 6, 2021
0
323
1
Polynomial
Find the value of t such that (5x^2 - 6x + 7)(4x^2 +tx + 10) = 20x^4 -9x^3+ 60x^2 - 39x + 70.
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Guest
Aug 6, 2021
0
329
1
Calculus help needed!
Dave uses the tangent line approximation on a certain function f(x) and obtains the approximations f(2.98) is about 2.08 and f(3.01) is about 1.96. What does the tangent line approximation give for f(2.99)?
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Guest
Aug 6, 2021
0
192
0
Algebra
When f(x) = ax^3 - 6x^2 + bx - 5 is divided by x - 1, the remainder is 5. When f(x) is divided by x - 2, the remainder is -53. Find the ordered pair (a,b).
Guest
Aug 6, 2021
0
427
2
+37
Can i get some help on this, its scary
Can i get some help on this, its scary modules
A roll of quarters contains 40 quarters and a roll of dimes contains 50 dimes. James has a jar that contains 83 quarters and 159
read more ..
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Skripple
Aug 6, 2021
0
233
1
help
For how many integer value of a does the equation x^2+ax+8a=0 have integer solutions for x?
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Guest
Aug 6, 2021
0
436
2
ratio
A fox, a coyote, and a wolf weigh a total of 120 pounds. The ratio of the weight of the fox to the weight of the coyote is 3:8. The weight of the coyote is 32 pounds. What is the weight of the wolf?
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Guest
Aug 6, 2021
0
230
2
PLEASE HELP ;-;
Let $f(x) = x^3 + 3x ^2 + 4x - 7$ and $g(x) = -7x^4 + 5x^3 +x^2 - 7$ What is the coefficient of x^3 in the sum $f(x) + g(x)$
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Guest
Aug 6, 2021
0
346
1
help with floor
How many values of r are there such that $\lfloor r \rfloor + r + \lfloor \frac{r}{2} \rfloor = 15.5?$
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Guest
Aug 6, 2021
0
367
1
Polynomial
Simplify the following:
(2y-1)(4y^{10}+2y^9+3y^8+5y^7).
Express your answer as a polynomial with the degrees of the terms in decreasing order.
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Guest
Aug 6, 2021
0
359
1
Polynomial
What is the coefficient of x^2 when -5x^3 - 5x^2 - 7x + 1 is multiplied by x^2 + 6x + 1 and the like terms are combined?
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Guest
Aug 6, 2021
0
295
1
Domain
What is the domain of the function
j(x) = 1/(x + 8) + 1/(x^2 + 8) + 1/(x^4 + 8)
Express your answer as a union of intervals.
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Guest
Aug 6, 2021
0
283
1
help geometry
In the figure, if FR = FG, the measure of arc FG is 138 degrees, and measure of arc FQ is 34 degrees, then what is angle RPG, in degrees?
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Guest
Aug 6, 2021
0
338
2
+41
Urgent Please help
If $f(x) = -7x^4 + 3x^3 + x - 5$, and $g(x)$ is a polynomial such that the degree of $f(x) + g(x)$ is 1, then what is the degree of $g(x)$?
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CENTTRAL
Aug 6, 2021
0
321
1
+31
PLEASE HELP ASAP
A mathematician works for t hours per day and solves p problems per hour, where t and p are positive integers and 1
tysm,
Soccerfan123
read more ..
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soccerfan123
Aug 6, 2021
0
238
1
help geometry
In the diagram below, AM = BM = CM and angle BMC + angle A = 201 degrees. Find angle B in degrees.
read more ..
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Guest
Aug 6, 2021
0
351
1
need help
The line x = k intersects the graph of the parabola x = -y^2 - 3y - 5 at exactly one point. What is k?
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Guest
Aug 6, 2021
0
359
1
Apples cost $0.60 each and pears cost $0.80 each. If a total of 130 apples and pears cost $88, how many pears were there?
Apples cost $0.60 each and pears cost $0.80 each. If a total of 130 apples and pears cost $88, how many pears were there?
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Guest
Aug 6, 2021
0
206
0
Help
https://web2.0calc.com/questions/frsisisisj
Guest
Aug 6, 2021
0
306
1
+176
Maths
Some children sat for a selection test for a direct school admission. There were 15 more boys than girls in the group. 3/4 of the girls and 4/5 of the boys passed the test. There were 2 more girls than boys who failed the test. How many children say for
read more ..
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Whayousayy
Aug 6, 2021
0
317
1
geometry
A triangle whose side lengths are whole numbers has one side which measures 25 inches and another side of 80 inches. What is the fewest number of inches that can be the length of one of the remaining sides?
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Guest
Aug 6, 2021
0
309
1
Number Theory
Find the last two digits of the following sum: 5! + 6! + 7! + 8! + 9! + 10! + ... + 100!
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Guest
Aug 6, 2021
0
316
1
help ratio
The ratio of cows to goats in a farm is 3:2 if there are 210 more cows than goats how many animals are there in the farm
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Guest
Aug 6, 2021
+1
377
2
+22
I am Very confused need help
I am not sure whether it is the one I have or the last one.
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ninjahelper5
Aug 6, 2021
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