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^{+0}
215359 Questions
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19
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Sequences- Please help
There is a sequence of positive numbers such that and
for .
read more ..
Guest
Aug 5, 2022
0
11
1
geometry
Triangle ABC has circumcenter O. If AB = 10 and [OAB] = 50 find the circumradius of triangle ABC.
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Guest
Aug 5, 2022
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9
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help coordinates
There are four points that are 5 units from the line y=13 and 18 units from the point (7,15). What is the sum of the x and y and coordinates of all four of these points?
Guest
Aug 5, 2022
0
16
3
help radicals
Suppose that a, b, and c are real numbers such that a/b = sqrt(10)/sqrt(21) and b/c = sqrt(14)/sqrt(15). Find a/c. Completely simplify and rationalize the denominator.
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Guest
Aug 5, 2022
0
12
1
geometric sequence
If b is positive, what is the value of b in the geometric sequence 16, a, 18, b?
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Guest
Aug 5, 2022
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19
1
What is the order of the five variables from least to greatest?
What is the order of the five variables from least to greatest? Enter your answer as a listseparated by commas. For example, if you believe that A < B < C < D < E, then your answer
should be A, B, C, D, E.
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Guest
Aug 5, 2022
Aug 4, 2022
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11
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quadratic
A ball is thrown in the air from a platform that is 48 feet above the ground with an initial vertical velocity of 32 feet per second. The height of the ball, in feet, can be represented by the function h(t) = -16t^2 +32t +48, where t is the time, in seconds,
read more ..
Guest
Aug 4, 2022
0
12
0
right triangle
In right triangle ABC, angle C = 90 degrees. Median AM has a length 19 of and median BN has a length of 18. What is the length of the hypotenuse of the triangle?
Guest
Aug 4, 2022
0
12
1
quadratic inequality
What is the value of b + c if x^2 + bx + c > 0 only when x is in (-inf,2) U (8,inf)?
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Guest
Aug 4, 2022
0
24
3
Please give a full walkthrough; thanks!
The quadratic $ax^2 + bx + c$ can be expressed in the form $2(x - 4)^2 + 8$. When the quadratic $3ax^2 + 3bx + 3c$ is expressed in the form $n(x - h)^2 + k$, what is $h$?
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Guest
Aug 4, 2022
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12
1
help
Given positive integers $x$ and $y$ such that $x\neq y$ and $\frac{1}{x} + \frac{1}{y} = \frac{1}{18}$, what is the smallest possible value for $x + y$?
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Guest
Aug 4, 2022
0
17
1
Decimals
What is 0.48888... + 0.377777...? Express your answer as a common fraction in lowest terms.
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Guest
Aug 4, 2022
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14
1
help pls
The sum of the product and the sum of two positive integers is 39. Find the largest possible value of the product of their sum and their product.
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Guest
Aug 4, 2022
0
15
1
help pls
If x, y, and z are positive integers such that 6xyz+30xy+21xz+2yz+105x+10y+7z=812, find x+y+z
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Guest
Aug 4, 2022
0
15
2
help algebra
f(x) is a monic polynomial such that f(0)=4 and f(1)=-10. If f(x) has degree 2, what is f(x)? Express your answer in the form ax^2+bx+c, where a, b, and are real numbers.
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Guest
Aug 4, 2022
0
15
3
help psl
If x, y, and z are positive integers such that 6xyz+30xy+21xz+2yz+105x+10y+7z=812, find x+y+z
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Guest
Aug 4, 2022
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22
1
Exponents
What is the value of b if 5^b + 5^b + 5^b + 5^b + 5^b = 625^(b - 1)? Express your answer as a common fraction.
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Guest
Aug 4, 2022
+1
29
2
+61
Find all complex numbers z such that z^2 = 2i. Write your solutions in a+bi form, separated by commas.
Find all complex numbers z such that z^2 = 2i. Write your solutions in a+bi form, separated by commas.
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waterlili
Aug 4, 2022
0
16
2
graphs
What is the range of the function for ?
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Guest
Aug 4, 2022
+1
40
1
+91
HELP PLS ASAP
In how many ways can 100 be written as the sum of three different positive integers?
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Derekshackk
Aug 4, 2022
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13
1
Trig please help
Find the range of
if for any integer n. Express your answer in interval notation.
read more ..
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Guest
Aug 4, 2022
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17
1
probability
Three six-sided dice are rolled. Find the probability that the product of three numbers rolled is 4.
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Guest
Aug 4, 2022
0
16
1
help triangles
In quadrilateral BCED, we have BD = 11, BC = 9, and CE=2. Sides BD andCE are extended past B and C, respectively, to meet at point A. If AC = 20 and AB = 24, then what is DE?
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Guest
Aug 4, 2022
0
15
1
+108
Help
https://web2.0calc.com/questions/make-a-table-or-chart
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KourageKowardlyDog
Aug 4, 2022
+1
12
1
Polynomials
When (x - 1)(x - 2)(x - 3)(x - 4)(x - 5) is expanded, find the coefficient of x^3.
waterlili
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Guest
Aug 4, 2022
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