All Questions ⁺⁰237827 Questions

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241

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help needed

How many 3-digit numbers are there that have exactly 16 divisors and that are divisible by 5?

Guest Oct 28, 2022

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219

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Rewrite the Equation so it does not contain Fractions or Decimals.

Guest Oct 28, 2022

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279

2

help counting

In how many ways can the numbers 1 through 5 be entered once each into the five boxes below so that all the given inequalities are true?

$\boxed{\phantom{X}}>\boxed{\phantom{X}}>\boxed{\phantom{X}}<\boxed{\phantom{X}}<\boxed{\phantom{X}}$ read more ..

Guest Oct 28, 2022

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263

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Homework

To make a certain shade of orange, you need to mix 12 cups of yellow with 8 cups of red. If you want to make 80 cups of paint, how many cups of yellow would you need?

Guest Oct 28, 2022

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238

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Number theory

Let S = 1 + 2 + 3 + 4 + ... + 209 + 2010 + 2011 + ... + 4000. What is the residue of S, modulo 2010?

Guest Oct 28, 2022

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255

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Geometry

In any isosceles triangle ABC with AB = AC, the altitude AD bisects the base BC so that BD = DC. If AB = AC = 25 and BC = 18, then determine the length of the altitude .

Guest Oct 28, 2022

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236

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help probability

3 cards are chosen at random from a standard 52-card deck. What is the probability that they can be arranged into a group of three consecutive cards? For this problem, an Ace can either come before a 2 or after a King, but not both (so A23 and QKA both read more ..

Guest Oct 28, 2022

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228

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can anyone help me plsss

Lanberry is 5.7 miles due north of the airport, and Princeton is 5.2 miles due east of the airport. How far apart are Lanberry and Princeton? If necessary, round to the nearest tenth.

Guest Oct 28, 2022

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188

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number theory

What is the remainder when 5^30*4^30 is divided by 7?

Guest Oct 28, 2022

+1

257

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+5

Please answer this problem.

Luna has 90 socks in a drawer, which are all identical except that some are blue and some are bronze. Luna has more blue socks than bronze socks. When luna randomly pulls out two socks (without replacement) from the drawer, the probability that they are read more ..

clashmegabot101 Oct 28, 2022

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210

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Domain

What real values of x are not in the domain of
f(x) = 1/((x^2 + 3x - 4)*(x^2 + 9x + 20))?

Guest Oct 28, 2022

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229

1

plz help

Two rectangles overlap, as shown below. Find the area of the overlapping region (which is shaded) if AB = BE = 2 and AD = ED = 4.

Guest Oct 28, 2022

+1

278

7

+22

cosθ=−√2/6 , where π≤θ≤3π/2 .

cosθ=−√2/6 , where π≤θ≤3π/2 .
tanβ=5/12 , where 0≤β≤π/2 .
What is the exact value of sin(θ+β)?
Enter your answer, as a single fraction in simplified form, in the box. read more ..

Melody ●●●●●●●

Sarcasticcarma Oct 28, 2022

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237

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Algebra

Pearl writes down seven consecutive integers, and adds them up. The sum of the integers is euqal to 10 times the largest of the seven integers. What is the smallest integer that Pearl wrote down?

Guest Oct 28, 2022

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186

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Counting problem

Find the number of triples (a, b, c) of positive integers, such that 1 <= a ,b, c <= 100 and a^2 + b^2 + c^2 = 100.

Guest Oct 28, 2022

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215

0

plz help me out

1) Find the area of the region bounded by the y-axis, the line y=6, and the line y=1/2x.
2) Write an equation for the graph shown in the form y=ax+b
3) What are the coordinates of the intersection of the graphs of 3x - y^2 read more ..

Guest Oct 28, 2022

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204

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Function

the inverse of function f(x) = (2x-2)/(x-5) is written in the form of $f^{-1}(x)=\dfrac{ax+b}{cx+d}$, where a, b, c, and d are all real numbers. Find a/c.

Guest Oct 28, 2022

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214

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help plz

Let y = (x-3)/(x+7) + 1/3
Then this equation can be expressed in the form (x + a)(y + b) = c for some constants a, b, and c . Enter your answer in the form " a, b, c".

Guest Oct 28, 2022

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243

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quadratic

Find the equation whose graph is a parabola with vertex (2,4), vertical axis of symmetry, and contains the point (7,7). Express your answer in the form "ax^2+bx+c".

Guest Oct 28, 2022

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278

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+22

Help Plzz!!

In , we have , , and . Point X is on such that bisects . If , then what is

oofta Oct 28, 2022

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281

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+22

Help!!

Two diagonals of quadrilateral ABCD are perpendicular to each other at O. We know AO=BO, CO=DO, and AB + CD = 5(sqrt)2. What is BD?

oofta Oct 28, 2022

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192

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help..college algebra

Whats the quotient of 3x^4+20x^3+14x^2+17x+30 and x+6?

Guest Oct 28, 2022

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192

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Algebra

Consider the two expressions (6x^3 + 9x^2 + 4x + 7 - 17x^2 - 8x + 8)/(2x + 3 - 7x - 11) and 4x^2 - 7 + 1/(2x + 3 - 7x - 11)
a) Show that the two expressions represent equal numbers when x = 10
b) Explain why these two expressions do not represent read more ..

Guest Oct 28, 2022

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184

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help plz

Let's take a look at (x + y)^2 (x - y)^2 and (x^2 + y^2)(x^2 - y^2). While Beeker believes that these two expressions are equal for all real numbers x and y Clod believes they are not! Let's get to the bottom of this!
a) Evaluate (x + y)^2 (x - read more ..

Guest Oct 28, 2022

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