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Post New Question
All Questions
+0
232863 Questions
0
363
2
Rounding
what is 0.02843. Round your answer to two decimal places
is it 2.84
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Guest
Oct 14, 2021
0
224
0
Graphs
A and B are constants such that the graphs of xy = B and y = Ax^2 + B intersect at the point (2,8). Write the ordered pair (A, B).
Guest
Oct 14, 2021
0
186
0
Polynomials
The product of 3t^2 + 5t + a and 4t^2 + bt - 2 is 12t^4 + 38t^3 + 8t^2 - 34t + 8. What is a + b?
Guest
Oct 14, 2021
0
215
0
Conic Sections
The graph of the equation
x^2 + 4y^2 - 10x + 68y = k
is a non-degenerate ellipse if and only if k > a. What is a?
Guest
Oct 14, 2021
0
192
0
help algebra
For every value of a, the graph of each of these three equations is a line:
ax+y = 1,
x + ay = 1,
x + y = 16.
read more ..
Guest
Oct 14, 2021
0
447
2
+4
Calculate the slope of the points (-2,1) and (3,4)
Calculate the slope of the points (-2, -1) and (3, 4).
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KobudoSan
Oct 14, 2021
0
203
0
Polynomial
Let f(y) = y^4 -3y^3 +y - 3 and g(y) = y^3 + 7y -2. Find f(y) + g(y). Write your answer as a polynomial with terms of decreasing degree.
Guest
Oct 14, 2021
0
219
0
Graphing
The graph of y = f(x) is shown in red below. Assuming the graph consists of three line segments, what is f(-2)?
Guest
Oct 14, 2021
0
188
0
help with graph
The graph of y = h(x) is shown in red below. Compute h(h(7)).
Guest
Oct 14, 2021
0
203
0
Domain
What is the smallest real number in the domain of the function g(x) = sqrt((x - 3)^2 - (x - 18)^2)?
Guest
Oct 14, 2021
0
186
0
Algebra
Given 3x + 2/x - 4 = 2(x + 9) - (7 - 1/x) + 3x + 3/x, what is (x^2 + 1)/x?
Guest
Oct 14, 2021
0
330
1
Please help thank you
Spencer, Nigel and Greta shared the cost of a massage chair for their mother.
Spencer paid 2/9 of the total cost of the massage chair. Nigel paid 5/8 of what Spencer
paid. Altogether, Spencer and Nigel paid $793. How much did Greta pay for
read more ..
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Guest
Oct 14, 2021
0
376
1
Help
Kai and Dinny folded paper stars over two days. On Friday, Kai folded 21 more
paper starts than Dinny. On Saturday, Dinny folded another 39 paper stars. At the
end of the two days, Kai folded of the total number of paper stars. How many
read more ..
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Guest
Oct 14, 2021
-2
402
1
+25
implicit differentiation - calculus (help please!!)
i got the first part but need help on the second part of the question :(
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unaza
Oct 14, 2021
-2
392
2
+25
implicit differentiation - calculus (stumped!)
dont know what to do :(
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unaza
Oct 14, 2021
-2
306
0
+25
implicit differentiation - calculus (need help!!)
not sure how to do it :(
unaza
Oct 14, 2021
-2
331
0
+25
implicit differentiation - calculus (please help!)
i dont know how to do this! please help, im stuck :(
unaza
Oct 14, 2021
-2
318
0
+25
implicit differentiation - calculus (please help!)
please help!
unaza
Oct 14, 2021
0
211
0
Coordinates
Let a and b be real numbers, where a < b, and let A = (a,a^2) and B = (b,b^2). The line AB (meaning the unqiue line that contains the point A and the point B) has x-intercept (-3/2,0) and y-intercept (0,1). Find a and b. Express your answer
read more ..
Guest
Oct 14, 2021
0
335
1
Coordinates
Find all points that are 13 units away from the point (-2,7) and that lie on the line x - 2y = 10. Give your answer as a list of points separated by semicolons, with the points ordered such that their x-coordinates are in increasing order. (So "(1,-3);
read more ..
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Guest
Oct 14, 2021
0
226
0
help with polynomial
When the expression
\[1-1x+2x^2-2+3x-3x^2+4-4x+5x^2 - 5x + 6x - 7x^2 + 8x - 9\]
is written in the form $ax^2 +bx+c$, where $a$, $b$, and $c$ are non-zero integers, what is the value of $a + b + c$?
Guest
Oct 14, 2021
0
245
0
help
Gears aligned as shown below having arrows pointing upward. Gear A has 18 teeth; gear B has 48 teeth; and gear C has 36 teeth. What is the least positive number of rotations gear A must make before the arrows will again be pointing upward in the same way?
read more ..
Guest
Oct 14, 2021
0
305
1
what is -0.05 divided by -5 over 8? need answer fast
what is -0.05 divided by -5 over 8?
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Guest
Oct 14, 2021
0
270
1
Please help. Thank you!
In the equation 3x+4y=z, the answer has 3 positive integer solutions. Find the largest possible value of z.
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Guest
Oct 14, 2021
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