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All Questions
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232214 Questions
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375
1
Circles
In the figure, the visible gray area within the larger circle is equal to eight times the area of the white circular region. What is the ratio of the radius of the small circle to the radius of the large circle? Express your answer as a common fraction.
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Guest
Jun 18, 2021
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381
2
help geometry
Find the value of x in the diagram below.
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Guest
Jun 18, 2021
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435
4
Pls help :D
Find a triple (b, p, q) of positive integers such that p!/(2^b*q!) = 1 * 3 * 5 ... * 51
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Guest
Jun 18, 2021
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348
1
Algebra
A large rectangle has side lengths of x + 7 and x + 5. In the large rectangle, there is a rectangular hole with side lengths of 2x - 7 and x + 2. What is the area of the large rectangle (not including the area of the hole)? Express your answer as a polynomial
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Guest
Jun 18, 2021
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491
2
+58
I really need help on these 2 geometry problems
I really need help on these 2 geometry problems, it would be nice if someone can post solutions:
1. In Triangle ABC, points P and Q lie on sides AB and AC, respectively, such that the circumcircle
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hellothere
Jun 18, 2021
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361
1
Quick help please!
A ship leaves port and sails 12 km due south before turning and sailing 16 km due west. It encounters a storm and has to sail directly back to port. What is the distance it must travel back to port?
A rope runs from
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ElectricPavlov
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Guest
Jun 18, 2021
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414
1
One positive integer is 55 less than twice another. The sum of their squares is 185. Find the integers.
One positive integer is 55 less than twice another. The sum of their squares is 185. Find the integers.
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Guest
Jun 18, 2021
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358
4
Algebra
What is the coeffiecient of x^3 in (x^2 + x + 1)^4?
catmg
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Guest
Jun 18, 2021
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358
1
Help pls
At what point does the line containing the points (1,7) and (3,-11) intersect the y-axis? Express your answer as an ordered pair.
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Guest
Jun 18, 2021
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364
1
CPhill plz help!
How many numbers can be expressed as the sum of two or more distinct elements of the set $\{ 0, 1, 2, 4, 8, 16 \}$?
this question has been asked before but i think the answer they gave is wrong
catmg
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Guest
Jun 18, 2021
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390
1
coordinates
The line y = b-x with 0 < b < 4 intersects the y-axis at P and the line x= 4 at S. If the ratio of the area of triangle QRS to the area of triangle QOP is 9:16, what is the value of b? Express the answer as a decimal
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Guest
Jun 18, 2021
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348
1
help pls
Triangle ABC is isosceles with AB = BC. If AC = 20 and [ABC] = 280, then find the perimeter of triangle ABC.
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Guest
Jun 18, 2021
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363
1
Geometry
In a certain regular polygon, the measure of each interior angle is ten times the measure of each exterior angle. Find the number of sides in this regular polygon.
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Guest
Jun 18, 2021
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428
4
formula for future value to find i....
4217=600(1+i)^6-1/i
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Guest
Jun 18, 2021
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388
1
Help function
Let
f(x) = 9x + 16 if x < 2,
f(x) = 8x - 40 if x >= 2.
read more ..
EnchantedLava68
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Guest
Jun 18, 2021
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324
1
help geometry
In triangle XYZ, Y = 45 degrees and Z = 120 degrees. If XZ = 4, then what is XY?
civonamzuk
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Guest
Jun 18, 2021
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412
1
pls help
In the figure below, side $AE$ of rectangle $ABDE$ is parallel to the $x$-axis, and side $BD$ contains the point $C$. The vertices of triangle $ACE$ are $A(1, 1)$, $C(3, 3)$ and $E(4, 1)$. What is the ratio of the area of triangle $ACE$ to the area of rectangle
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Guest
Jun 18, 2021
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386
2
Word problem
Luis and Jack had 350 marbles altogether. Luis gave away 25% as many marbles as Jack. Jack was left with 40 more than the number of marbles he gave away? Luis had 25% as many marbles as Jack in the end. How many marbles did Jack have in the
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Guest
Jun 18, 2021
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392
5
use the future value formula to find i
4217=600(1=i)^6-1/i
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Guest
Jun 18, 2021
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375
1
Pre-calc
In right triangle BCD with angle D = 90 degrees, we have BC = 9 and BD = 8. Find sin B.
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Guest
Jun 18, 2021
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347
1
Help with math
As n ranges over the positive integers, what is the sum of all possible values of the greatest common divisor of 3n + 4 and n + 18?
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Guest
Jun 18, 2021
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377
6
CPhill Help!!!
What is the area, in square units, of the interior region formed by the lines and the -axis?
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Guest
Jun 18, 2021
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358
1
Graphing question
Identify all asymptotes of the graph of $y = \frac{(x - 1)}{(x - 1)^3 (x + 2)(x - 4)}$.
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Guest
Jun 18, 2021
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