All Questions ⁺⁰234765 Questions

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260

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Plz help

Andrew and Blake had equal amount of money at first. Andrew then spent $10 while Blake was given another $56. In the end, Andrew has one-third as much money as Blake. How much money did Andrew have at first?

Guest Oct 15, 2021

+1

513

4

+677

The three sisters and their mother

The following is known about the respective ages of the three sisters Alina, Melina and Selina:

(1) Alina is twice as old as Selina.
(2) Alina and Melina are 20 years old together.
(3) Selina is two years younger than Melina.

(a) read more ..

Straight Oct 15, 2021

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307

2

I need it rn please :>

A loudspeaker needs a household voltage of 110 V to push a current of 5 A through its coil. What is the resistance of the loudspeaker?

Guest Oct 15, 2021

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292

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help

Lillian and James write numbers 1 through 500 on a blackboard. Lillian erases 5, and then James erases 22. Then they start erasing every integer that is either 5 or 22 greater than an erased integer. At the end of the process, what is the largest integer read more ..

Guest Oct 15, 2021

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224

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I need help

Draw a graph of f(x)=2x+82x−4f(x)=2x+82x-4 by first placing the horizontal and vertical asymptotes, then plotting an additional point on the graph.

Guest Oct 15, 2021

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346

1

help counting

How many 3-digit numbers contain exactly one 1 and one 2?

Guest Oct 15, 2021

-2

331

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+25

Derivatives of Logarithmic Functions

im stuck please help!

read more ..

unaza Oct 15, 2021

-2

437

1

+25

Derivatives of Logarithmic Functions

please help!!! stuck :(

unaza Oct 15, 2021

-2

386

1

+25

Derivatives of Logarithmic Functions

please help!!! :(

unaza Oct 15, 2021

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219

0

help graphing

Assume that f(3) = 4. Name a point that must be on the graph of y = f(x + 4).

Guest Oct 15, 2021

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232

0

given the points A(0,0) and B(8,4), show that P(2,6) is on the perpendicular bisector of the segment AB.

Guest Oct 15, 2021

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242

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Graphing question

Assume that f(3) = 4. Name a point that must be on the graph of y = 2*f(2x) + 1/2.

Guest Oct 15, 2021

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395

1

how do you solve for this P=2L + 2W question in Math literal Equations

how do you solve for this P=2L + 2W question in Math literal Equations

Guest Oct 15, 2021

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261

0

Pascal's Triangle

The first six rows of Pascal's triangle are shown below, beginning with row zero. Except for the 1 at each end, row 4 consists of only even numbers, as does row 2. How many of the first 100 rows have this property? (Don't include row $0$ or row $1$). read more ..

Guest Oct 15, 2021

Oct 14, 2021

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228

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Math

What are the coordinates of the points where the graphs of f(x) = x^3 - x^2 + x + 1 and g(x) = x^3 + x^2 + x + 1 intersect? Give your answer as a list of points separated by semicolons, with the points ordered such that their x-coordinates are in increasing read more ..

Guest Oct 14, 2021

+1

256

0

plz hep

The equation x^2+ ax = -30 has only integer solutions for x. If a is a positive integer, what is the greatest possible value of a?

Guest Oct 14, 2021

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240

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Quadratic

Given $x\neq0$, find the positive value of $b$ such that the equation $\frac 3x+\frac x8=b$ will have exactly one solution.

Guest Oct 14, 2021

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213

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Function problem

Define $E(a,b,c) = a \cdot b^2 + c$. What value of $a$ is the solution to the equation
$E(a,4,5) = E(a,6,9)$?

Guest Oct 14, 2021

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416

2

geometry stuff

Point X is on line AC such that AX = 12 and AX = 4 times CX. We know angle ABC = angle BXA = 90 degrees. What is BX?

Guest Oct 14, 2021

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351

3

help pls

In acute triangle ABC, we know that the side lengths AB = sqrt(41) and BC = sqrt(34) and that altitude BD = 5. What is AC?

Guest Oct 14, 2021

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216

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Coordinates

Given that the point is (4,7) on the graph of y = f(x), there is one point that must be on the graph of y/2 = 3f(4x) - 5. What is the sum of coordinates of that point?

Guest Oct 14, 2021

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215

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Graphing question

The graph of y = f(x) is shown in red below. For how many values of c is f(c) = -1?

read more ..

Guest Oct 14, 2021

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222

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Polynomial

Find the constant coefficient when the polynomial 3(x - 4) - 2(x^2 - x + 7) - 5(x - 1) is simplified.

Guest Oct 14, 2021

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358

1

please help

what are the multipls tht go to 440 and 8 can you uys help

Guest Oct 14, 2021

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233

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Polynomials

When the expression (2x^4+3x^3+x-14)(3x^{10}-9x^7+9x^4+30)-(x^2+5)^8 is expanded, what is the degree of the resulting polynomial?

Guest Oct 14, 2021

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