All Questions ⁺⁰235585 Questions

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171

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geometry

In triiangle ABC, X is on BC such that CX = 2BX and Y is on AB such that AY = 3BY . Let Z be on AB such that XZ is parallel to AC. Determine the ratio of the perimeter of triangle ABC to the perimeter of triangle BXZ.

Guest Mar 5, 2022

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258

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+24

please help geometry asap

In triangle ABC, AB = 12.5cm, AC = 11.7cm and BC = 12.0cm. The angle bisector of ∠A intersects CB at L, and the angle bisector of angle ∠B intersects CA at K. Let M and N be the feet of the altitudes from C to KB and LA. Find MN.

OdrogMath Mar 5, 2022

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175

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3d geometry

Either increasing the radius or the height of a cylinder by six inches will result in the same volume. The original height of the cylinder is four inches. What is the original radius in inches?

Guest Mar 5, 2022

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289

1

Rate problem

I drove to the beach at a rate of 40 miles per hour. If I had driven at a rate of 30 miles per hour instead, then I would have arrived minutes later. How many miles did I drive?

Guest Mar 5, 2022

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290

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Base numbers

What is the average of all positive integers that have four digits when written in base 3, but two digits when written in base ? Write your answer in base 10.

Guest Mar 5, 2022

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584

2

Let \[f(x) = \frac{3x + 3}{x + 1}.\]Find the domain of $f$.

Let
f(x) = 3x+3/x+1
Find the domain of f
Write your answer in interval notation.

Guest Mar 5, 2022

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299

1

Help

In a charity event, 3 scouts Benny, Ray and Kathy raised $1459 altogether. Ray raised $296 less than Benny while Katy raised an amount 1/4 as much as Benny. How much money did Kathy raise?

Guest Mar 5, 2022

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196

0

ddfda. dsfd

ddsfdsfsda sfdsfgedsg d dgdsg

Guest Mar 5, 2022

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304

1

URGENT HELP!!

How do you solve (c)??

Guest Mar 5, 2022

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302

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Range

Find the range of possible values of cos(x)^2 - sin(x)^2, where x is a real number.

Guest Mar 5, 2022

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189

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sequence problem

A sequence T_n is given as: T_{1}=7, T_{2}=19, ... such that the difference between every two consecutive terms is the same.
Find the value of T_{1}+T_{2}+T_{3}+...+T_{50}.

Guest Mar 5, 2022

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175

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system problem

Solve
xy + x + y = 23
yz + y + z = 31
zx + z + x = 47 read more ..

Guest Mar 5, 2022

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165

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geometry

In the diagram,angle U = 30, arc XY is 170, and arc VW is . Find arc WY, in degrees.

Guest Mar 5, 2022

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309

1

how do it do this?

Find all values of t such that 8t^2 smaller or equal to 3-10t.
Write your answer in interval notation.

Guest Mar 5, 2022

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176

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help algebra

There are real numbers A and B such that
(5x + 16 - 3x - 8)/(x^2 - 7x + 10) = A/(x - 2) + B/(x - 5).

Find A + B. read more ..

Guest Mar 5, 2022

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326

7

+67

help is appreciated

In this problem, we will consider this system of simultaneous equations:

Let a=3x, b=5y, and c=-6z.

Given that (x,y,z) is a solution to the original system of equations, determine all distinct possible values read more ..

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shananigans Mar 5, 2022

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239

1

help is appreciated

In this problem, we will consider this system of simultaneous equations:

Let a=3x, b=5y, and c=-6z.

Given that (x,y,z) is a solution to the original system of equations, determine all distinct possible values of x+y. read more ..

Guest Mar 5, 2022

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306

1

help pls

If (x,y) satisfies the simultaneous equation

where x and y may be complex numbers, determine all possible values of .
read more ..

Guest Mar 5, 2022

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253

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+67

alg 2 help

Factor as the product of four polynomials of degree 1, each of which has a positive coefficient of x.

thank you

shananigans Mar 5, 2022

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239

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Polynomial

If $f(x)$ is a monic quartic polynomial such that f(-1)=-1, f(2)=-4, f(-3)=8, and f(4)=16, find f(1).

Guest Mar 5, 2022

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324

1

+1678

Binomial Theorem

How do I solve this?

What is the constant term of the expansion of ?

wiseowl Mar 5, 2022

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272

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+1678

Congruence problem

I'm having trouble with this:

Find the least positive four-digit solution to the following system of congruences.
read more ..

wiseowl Mar 5, 2022

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218

1

Need help asap

The following cards are dealt to three people at random, so that everyone gets the same number of cards. What is the probability that everyone gets a red card?
read more ..

Guest Mar 5, 2022

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176

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Please help!!!

IIn the SuperLottery, three balls are drawn (at random) from ten white balls numbered from 1 to 10, and one SuperBall is drawn (at random) from ten red balls numbered from 11 to 20. When you buy a ticket, you choose three numbers from 1 to 10, and one number read more ..

Guest Mar 5, 2022

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301

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geometry

The area of the trapezoid ABCD is equal to 60. The length of one of of the bases is 7 units greater than the other base, and the height of trapezoid ABCD is equal to 6. What is the legth of the median of trapezoid ABCD

Guest Mar 5, 2022

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