All Questions

365

algebrra

In a certain city the rate of taxation is the following: (x + 10)% tax is collected for an income of x thousand dollars. What income, in dollars, will yield the greatest take home pay? (Take-home pay is the income minus the tax on that income.) read more ..

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Guest Apr 24, 2021

409

Help please

The median and the height of an isosceles trapezoid are equal in length. One diagonal of the trapezoid has length 12. What is the area of the trapezoid?

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Guest Apr 24, 2021

357

Help ASAP please

Two triangles are considered the same if they have the same three side lengths. Find all possible values of P such that there is only 1 possible triangle with integer side lengths and perimeter P.

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Guest Apr 24, 2021

341

help ASAP please

A sphere of radius 10 inches is inscribed in a cone with a base of radius 15 inches. In cubic inches, what is the volume of the cone? read more ..

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Guest Apr 24, 2021

298

Coordinates

The circle 2x^2 = -2y^2 + 2x - 4y + 20 is inscribed inside a square which has a pair of sides parallel to the x-axis. What is the area of the square?

Guest Apr 24, 2021

593

+614

multiple argument properties pls help

derive multiple argument properties for the given functions
1.sin3x in terms of sin x alone
2. cos 4x in terms of cos x alone

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xxJenny1213xx Apr 24, 2021

491

+67

Please Help

1. John invests at an annually compounded interest rate of 6%. Josey invests at a simple interest rate of r%. What is r if their investments are worth the same amount after 1 year? 2 years? 10 years?
2. Show that if is invested at an read more ..

shananigans Apr 24, 2021

335

help ASAP please

Each of the digits 1,2,3,4,5,6 is used exactly once in forming the 3-digit integers X and Y. How many possible values of X+Y are there if |X-Y|=111?

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Guest Apr 24, 2021

492

Does anyone know what x2 is in this problem and what it does?

Does anyone know what x2 is in this problem and what it does?

x2+20=84 read more ..

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Guest Apr 24, 2021

406

sequence

The Lucas numbers are defined in the same way, but with different starting values. Let L_0 be the zeroth Lucas number and L_1 be the first. If

L_0 = 2
L_1 = 1
L_n = L_(n - 1) + L_(n - 2) read more ..

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Guest Apr 24, 2021

315

A=57.72(1+0.02/1)^(1(10))

Guest Apr 24, 2021

588

+80

Please help me understand this

Based on a poll of 1000 residents, a newspaper article claims that 62% of the residents in town favor the development of a recreational park on the west side of town. A community action group interested in preserving the environment claims that 45% of the read more ..

Corduroy Apr 24, 2021

514

PLS HELP PLSSSS

Let J and K be given points along a certain line. There are exactly two other distinct points U and V on this line such that UJ/UK=7 and VJ/VK=7. Let W be the midpoint of UV. Calculate the ratio WJ/WK.

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Guest Apr 24, 2021

2132

+80

Periodicity

The Colossus Ferris wheel debuted at the 1984 New Orleans World’s Fair. The ride is 180 ft tall, and passengers board the ride at an initial height of 15 ft above the ground. The height above ground, h, of a passenger on the ride is a periodic function read more ..

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Corduroy Apr 24, 2021

383

angle question...

Hi,
How can you find the following angle:
It is a prism with rectangular base, ABFE.
Calculate the angle between the diagonal AG and the base ABFE. (I drew the diagonal).
Now, why is the answer as follows:
-->Draw perpendicular read more ..

Guest Apr 24, 2021

496

+80

Solve the system of equations

(please show all work this helps me understand how you got the answers, thank you!)

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Corduroy Apr 24, 2021

284

number theory

What is the smallest positive integer n such that the rightmost three digits of n and n + n! are the same?

Guest Apr 24, 2021

489

+80

Please help me solve these functions!

a)

read more ..

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Corduroy Apr 24, 2021

1205

+80

Use the equation x + 2 = √3x + 10

a) What is the solution to the equation?

b) What is the extraneous solution? Why? read more ..

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Corduroy Apr 24, 2021

572

+50

Solve the equation $\arccos x + \arccos(x^2)=0$

I want to ask help in understanding if my point of view is correct: I must solve the equation $\arccos x + \arccos(x^2)=0$.
The domain of $\arccos x + \arccos(x^2)$ is $-1 \leq x \leq 1$, and it is
$$\arccos x + \arccos(x^2)=0 \iff read more ..

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Hitago Apr 24, 2021

299

Please help!

Find the two restrictions in this expression.
√4-t/√3t

Guest Apr 24, 2021

645

Please help! All help appreciated :)

A dilation with scale factor -3 maps X to X' and Y to Y'. Given X'Y'=2, find XY.

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Guest Apr 24, 2021

512

+132

equation help

solve: n-17+48

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Amariah Apr 24, 2021

534

33 5 * 3 5

335 * 35

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Guest Apr 24, 2021

Apr 23, 2021

518

+132

help plz

You have two rectangles. Each has sides of length7and6.
You place them together side by side to form a larger rectangle. Which statement about the larger rectangle cannot be true?
It can have length7,width6+6,and area7×6+7×6.
It read more ..

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Amariah Apr 23, 2021

All Questions ⁺⁰237680 Questions

algebrra

Help please

Help ASAP please

help ASAP please

Coordinates

multiple argument properties pls help

Please Help

help ASAP please

Does anyone know what x2 is in this problem and what it does?

sequence

A=57.72(1+0.02/1)^(1(10))

Please help me understand this

PLS HELP PLSSSS

Periodicity

angle question...

Solve the system of equations

number theory

Please help me solve these functions!

Use the equation x + 2 = √3x + 10

Solve the equation $\arccos x + \arccos(x^2)=0$

Please help!

Please help! All help appreciated :)

equation help

33 5 * 3 5

help plz

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