All Questions ⁺⁰215359 Questions

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Sequences- Please help

There is a sequence of positive numbers such that and

for .
read more ..

Guest Aug 5, 2022

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11

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geometry

Triangle ABC has circumcenter O. If AB = 10 and [OAB] = 50 find the circumradius of triangle ABC.

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

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16

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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.

Guest Aug 5, 2022

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12

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geometric sequence

If b is positive, what is the value of b in the geometric sequence 16, a, 18, b?

Guest Aug 5, 2022

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19

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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.

Guest Aug 5, 2022

Aug 4, 2022

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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

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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

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12

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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)?

Guest Aug 4, 2022

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24

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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 $h$?

Guest Aug 4, 2022

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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 $x + y$?

Guest Aug 4, 2022

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17

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Decimals

What is 0.48888... + 0.377777...? Express your answer as a common fraction in lowest terms.

Guest Aug 4, 2022

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14

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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.

Guest Aug 4, 2022

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15

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help pls

If x, y, and z are positive integers such that 6xyz+30xy+21xz+2yz+105x+10y+7z=812, find x+y+z

Guest Aug 4, 2022

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15

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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.

Guest Aug 4, 2022

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help psl

If x, y, and z are positive integers such that 6xyz+30xy+21xz+2yz+105x+10y+7z=812, find x+y+z

Guest Aug 4, 2022

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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.

Guest Aug 4, 2022

+1

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+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.

waterlili Aug 4, 2022

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graphs

What is the range of the function for ?

Guest Aug 4, 2022

+1

40

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+91

HELP PLS ASAP

In how many ways can 100 be written as the sum of three different positive integers?

Derekshackk Aug 4, 2022

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Trig please help

Find the range of

if for any integer n. Express your answer in interval notation. read more ..

Guest Aug 4, 2022

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probability

Three six-sided dice are rolled. Find the probability that the product of three numbers rolled is 4.

Guest Aug 4, 2022

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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?

Guest Aug 4, 2022

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15

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+108

Help

https://web2.0calc.com/questions/make-a-table-or-chart

KourageKowardlyDog Aug 4, 2022

+1

12

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Polynomials

When (x - 1)(x - 2)(x - 3)(x - 4)(x - 5) is expanded, find the coefficient of x^3.

Guest Aug 4, 2022

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