All Questions ⁺⁰237722 Questions

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286

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+4

proportion

Hi, can anyone (and describe the steps) solve this proportion?
thx
sonia
a:x=x:y=y:2a read more ..

sonnia Oct 27, 2021

0

343

2

Geometry

Points M, N, and O are the midpoints of sides KL, LJ, and JK, respectively, of triangle JKL. Points P, Q, and R are the midpoints of NO, OM, and MN, respectively. If the area of triangle PQR is $25$, then what is the area of triangle LPQ? read more ..

Guest Oct 27, 2021

0

310

2

Geometry

Point D is the median AM of triangle ABC. Point E is the midpoint of AB, and point T is the intersection of BD and ME. Find the area of triangle DMT if $[ABC] = 100$.

Guest Oct 27, 2021

-2

494

2

+140

Number Theory - Prime Factorization

Palindromic primes are two-digit prime numbers such that the number formed when the digits are reversed is also prime. What is the sum of all palindromic primes less than 50?

Answer with explanation please

sherwyo Oct 27, 2021

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330

2

Number Theory problem

Find the sum of the primes between 100 and 200, inclusive, that are 1 or 2 or 3 more than a perfect square.

Guest Oct 27, 2021

0

322

1

Number Theory

For how many positive integers n less than 100 is 5^n + 8^(n + 1) + 13^(n + 2) + 14^(n + 3) a multiple of 6?

Guest Oct 27, 2021

0

264

0

Probability

A point (x, y) is randomly chosen such that 0 ≤ x ≤ 1 and 0 ≤ y ≤ 1. What is the probability that y ≤ 2x - 1?

Guest Oct 27, 2021

0

346

1

2X+1 3 Y

Guest Oct 27, 2021

0

259

0

Algebra

Find the value of $n$ that satisfies $2(n+1)!+6n!=4n! + 4$, where $n! = n\cdot (n-1)\cdot (n-2) \cdots 2\cdot 1$.

Guest Oct 27, 2021

0

336

1

hyperbole meaning

hyperbole meaning

Guest Oct 27, 2021

0

322

1

slope

What happens to the slope when the line gets close to horizontal?

Guest Oct 27, 2021

0

2

660

1

Right triangle

The medians of a right triangle that are drawn from vertices of the acute angles have lengths of 2√13 and √73. Find the length of the hypotenuse.

Guest Oct 27, 2021

0

533

1

Scienceee ( physicsss hwwww)

A race car is equipped with jets that can make it go from 0 to 64 mph (about 28 m/s) in 4 seconds. what is the acceleration of the car using it's jets? if the car has a mass of 1000 kg, what is the force that the jets are exerting when it accelerates as read more ..

Guest Oct 27, 2021

0

439

1

Hyperbola

The equation of the hyperbola shown below can be written as (x - h)^2/a^2 - (y - k)^2/b^2 = 1.
Find h + k + a + b.

read more ..

Guest Oct 27, 2021

0

454

2

Number Theory

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

Guest Oct 27, 2021

0

294

0

sequences

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 ..

Guest Oct 27, 2021

0

318

1

help math

Each of the digits 6,7,8,9 is used no more than once to form an integer N. How many possible Ns are multiples of $4$?

Guest Oct 27, 2021

0

450

1

Miko has 328 stickers in her collection. Miko has 4 times as many stickers as Kimi. How many more stickers does Miko have than Kimi?

Miko has 328 stickers in her collection.
Miko has 4 times as many stickers as Kimi.
How many more stickers does Miko have than Kimi?

Guest Oct 27, 2021

0

272

0

Help

A football team gained yards in one play, and then lost of a yard in the next play.

Guest Oct 27, 2021

0

329

1

Algebra question

I drove to the beach at a rate of 40 miles per hour. If I had driven at a rate of 32 miles per hour instead, I would have arrived 25 minutes later. How many miles did I drive?

Guest Oct 27, 2021

0

256

0

Algebra question

A remote control car can run for one hour at normal speed, 40 minutes at turbo speed, and 20 minutes at hyperturbo speed before its battery life is consumed. After running for 8 minutes at hyperturbo speed and 12 minutes at turbo speed, how much longer read more ..

Guest Oct 27, 2021

+1

358

1

Complex Numbers

Simplify(2+i)(3-i)(1+2i)(1-i)(3+i)

Guest Oct 27, 2021

+1

440

2

+7

help with website

Hello! I want to know how I can delete this account, I wanted to use a different email.

lattefairy Oct 27, 2021

1 Online Users