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All Questions
+0
234773 Questions
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427
6
+10
4 questions on polynomials
1. Find the product $(x - 3)(2x^2 + 5x - 7).$
2. Find the coefficient of $z$ in the product\[(-3z^2 - 7z + 4)(6z^2 - z + 6).\]
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Randompersonlol
Feb 21, 2021
0
611
1
percent
There are 70 students in the school band. 40% of them are sixth graders, 20% are seventh graders, and the rest are eighth graders. How many students are sixth graders?
ElectricPavlov
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Guest
Feb 21, 2021
0
515
1
+236
Express as a common fraction, given:
Express as a common fraction, given:
ElectricPavlov
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Choff
Feb 21, 2021
0
596
1
+236
Each number in the list below can be paired with a different number in the same list to make an integer product except for one number.
Each number in the list below can be paired with a different number in the same list to make an integer product except for one number. What is the letter corresponding to the one exception?
A.
B.
C.
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Choff
Feb 21, 2021
0
359
1
help pls
José is making frult-filled t**t shells for a party. He has 80 raspberries and 48 blueberrles. The tarts will each have the same number of berrles. Raspberrles and blueberrles will not be in the same t**t If he puts the greatest possible number of fruits
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ElectricPavlov
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Guest
Feb 21, 2021
0
291
3
Some questions on polynomials
Deleted.
Do your own homework.
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Guest
Feb 21, 2021
0
681
1
cookies
Cookies are sold singly or in packages of 8 or 24. With this packaging, how many ways can you buy 48 cookies?
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Guest
Feb 21, 2021
0
637
1
+236
A square has an area of 392. What is the side length of the square?
A square has an area of 392. What is the side length of the square?
ElectricPavlov
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Choff
Feb 21, 2021
0
322
1
Math
Is 600 an answer to this inequality?
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Guest
Feb 21, 2021
0
238
0
About intervals of increase of decrease of reciprocal function.
What are the intervals of increase and intervals of decrease of function y= 1/x, y= (-2)/(x+3), and y= (1)/(2-x) +3?
Guest
Feb 21, 2021
0
259
0
a + b = -1
Let a and b be real numbers such that a + b = -1. Compute -a^2 - 2a + b^2.
Guest
Feb 21, 2021
0
352
1
floor function
If y >0 , find the range of all possible values of y such that $\lfloor y \rfloor = 42$. Express your answer using interval notation.
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Guest
Feb 21, 2021
0
355
1
variables
If 1/x + 1/y = 3 and 1/x - 1/y = 7, what is the value of x + y? Express your answer as a common fraction.
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Guest
Feb 21, 2021
0
338
1
domain
What is the smallest integer value of c such that the function f(x) = (2x^2 + x + 5)/(x^2 + 14x + c) has a domain of all real numbers?
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Guest
Feb 21, 2021
0
330
2
four numbers
Four positive integers A, B, C and D have a sum of 36. If A + 2 = B - 2 = C*2 = D*2, what is the value of the product ABCD?
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Guest
Feb 21, 2021
0
306
1
coefficient
What is the coefficient of x^2 when -5x^3 - 5x^2 - 7x + 1 is multiplied by -8x^2 + 6x + 2 and the like terms are combined?
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Guest
Feb 21, 2021
-1
454
2
+206
Piecewise-Defined Functions
If
\[f(x) =
\begin{cases}
x^2-4 &\quad \text{if } x \ge -4, \\
x + 3 &\quad \text{otherwise},
\end{cases} <#> \]
then for how many values of $x$ is $f(f(x)) = 5$?
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oliviapow06
Feb 21, 2021
0
325
1
proportion
Suppose a is directly proportional to b, but inversely proportional to c. If a = 16 when b = 5 and c = 9, then what is a when b = 3 and c = 8?
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Guest
Feb 21, 2021
+1
362
1
+501
Rational Expressions of Polynomials
Find the sum of all $x$ that satisfies the equation $\frac{-9x}{x^2-1} = \frac{2x}{x+1} - \frac{6}{x-1}.$
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ellapow
Feb 21, 2021
+1
422
1
+147
graphing functions
Suppose the function $f(x)$ is defined on the domain $\{x_1,x_2,x_3\}$, so that the graph of $y=f(x)$ consists of just three points. Suppose those three points form a triangle of area $32$.
The graph of $y = 2f(2x)$ also
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powclaire
Feb 21, 2021
-1
379
1
+206
domain and range
Find the largest value of $c$ such that $1$ is in the range of $f(x)=x^2-5x+c$.
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oliviapow06
Feb 21, 2021
0
620
1
i feel like theres more to it ;p
i felt this question was simple, but its not nearly as difficult as the ones they usually give in this topic, so i was just wondering if it might be fooling me around or genuinely simple.
1 square yap is equal to 49 square inches.
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Guest
Feb 21, 2021
0
358
2
geometry problem
In the diagram below AM = BM = CM, and angle BMC + angle B = 201 degrees. Find angle A in degrees.
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Guest
Feb 21, 2021
0
237
0
parabola
The diagram below shows the graph of the function y = -(x + 3)(x - 1).
Solve the inequality -(x + 3)(x - 1) <= 0. Give your answer in interval notation.
read more ..
Guest
Feb 21, 2021
-1
447
1
+206
Rationalizing Demoninators
Simplify $\frac{\sqrt{72}}{\sqrt{10}}$. Your answer should have an integer denominator.
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oliviapow06
Feb 21, 2021
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