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Post New Question
All Questions
+0
230628 Questions
+1
765
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+12
Help
for what value of K will the line with equation y=kx be tangent to the circle with equation ( x-7)^2 + (y-6)^2 =9 ?
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GSally111
Nov 30, 2019
0
627
1
help
Find the asymptotes of the hyperbola x^2 - 2x - 4y^2 - 16y - 19 = 0.
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Guest
Nov 30, 2019
0
401
1
Help
for what value of K will the line with equation y=kx be tangent to the circle with equation ( x-7)^2 + (y-6)^2 =9 ?
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Guest
Nov 30, 2019
0
342
0
help
What is the equation of the circle centered at (3,0) which passes through the foci of the ellipse x^2/9 + y^2/16 = 1?
Guest
Nov 30, 2019
0
873
2
math
One year after graduating from college, Sam earned $42,000. Each year, he earned $4000 more.
What function, written in sequence notation, models Sam’s earnings n years after graduating college?
an=4000n+38,000
read more ..
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Guest
Nov 30, 2019
0
524
1
help
What is the equation of this ellipse?
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Guest
Nov 30, 2019
0
650
1
help pleez
Find the foci of the hyperbola x^2/16 - y^2/36 = 1.
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Guest
Nov 30, 2019
0
595
2
conics question
For a certain hyperbola x^2/a^2 - y^2/b^2 = 1 where a > b, the angle between the asymptotes is 60 degrees. Find a/b.
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Guest
Nov 30, 2019
0
563
1
ellipse related question
Suppose that the graph of 2x^2 + y^2 + 8x - 10y + c = 0 consists of a single point. (In this case, we call the graph a degenerate ellipse.) Find c.
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Guest
Nov 30, 2019
0
548
2
help pls
What is the smallest distance between the origin and a point on the graph of y=(1/sqrt(2))(x^2-3) ?
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Guest
Nov 30, 2019
0
907
1
pyramid question
The corner of a unit cube is chopped off such that the cut runs through the three vertices adjacent to the vertex of the chosen corner. What is the height of the remaining cube when the freshly-cut face is placed on a table?
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Guest
Nov 30, 2019
+1
852
2
+12
Help
for what values of K does the circle (x-2k )^2 + (y-3k)^2=10 pass through the point (1,0) ?
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GSally111
Nov 30, 2019
+1
647
0
+60
help
►find the standard equation of the circle through (0,1) , (2,3) and (1,1+√3)
shgg111
Nov 30, 2019
0
344
0
help
Let f be a function such that f(x) + 3f(1/x) = x^2 for any nonzero real number x. Find f(-3).
Guest
Nov 30, 2019
0
405
1
help
Find the number of pairs of integers (a,b) such that ab = a + b.
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Guest
Nov 30, 2019
0
401
2
help
The sum of four consecutive integers is n. Find the largest integer, in terms of n.
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Guest
Nov 30, 2019
+1
433
2
help
In triangle ABC, which is isosceles, angle A is equal 40 degrees. What are the possible measure of angle B?
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Guest
Nov 30, 2019
Nov 29, 2019
0
871
2
help
Starting with the number 0 on my calculator, I do a calculation in five steps. At each step, I either add 1 or multiply by 2. What is the smallest number that cannot be the final result?
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Guest
Nov 29, 2019
0
855
1
help
Matt's four cousins are coming to visit. There are four identical rooms that they can stay in. If any number of the cousins can stay in one room, how many different ways are there to put the cousins in the rooms?
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Guest
Nov 29, 2019
0
433
1
help
If of four-digit numbers have a repeated digit (the repeated digits do not need to be adjacent), then what is ? Express your answer as a decimal to the nearest tenth.
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Guest
Nov 29, 2019
0
497
0
help
Define a as a sequence of letters that consists only of the letters A, B, and C --- some of these letters may not appear in the sequence --- and in which A is never immediately followed by B, B is never immediately followed by C, C and is never
read more ..
Guest
Nov 29, 2019
-1
1551
2
***URGENT*** Help please, ASAP!
1) The sides of a triangle are $16,$ $17,$ and $17.$ Find the circumradius.
2)The sides of a triangle are 6,8 and 10.If x is the area of the circumcircle, and y is the area of the incircle, then find x-y
read more ..
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Guest
Nov 29, 2019
0
375
1
help
Find the smallest positive integers, where the product of the digits is equal to 1728.
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Guest
Nov 29, 2019
0
778
1
am i correct
am i correct my answer is 14
A 12 kg barrel is pulled up by a rope. The barrel accelerates at 1.2 m/s2. Find the force exerted by the rope. Show all your work.
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Guest
Nov 29, 2019
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