All Questions ⁺⁰232802 Questions

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194

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please help

What is the smallest value of n for which n! ends in 50 consecutive zeros? For how many values of n less than 50 is it not possible for m! to end in exactly n zeros?

Guest Jul 7, 2021

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360

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help

Find the remainder when 5^67 (^ means exponent) is divided by 11.

Guest Jul 7, 2021

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189

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help please thanks

Prove the divisibility rule for 9 for all three-digit numbers using the fact that any three-digit number can be represented as abc, where a, b, c are digits.

Guest Jul 7, 2021

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275

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trapezoid

Let ABCD be a trapezoid with bases BC and AD. In this trapezoid, angle DBA = 105, angle ABD = 43, and angle BCD = 147. Find angle CBD, in degrees.

Guest Jul 7, 2021

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202

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[(-10) . (-2) – 18 : (-3)2 – 2 3 ]: √25 =

Guest Jul 7, 2021

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220

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probability q

Jack rolls 5 fair six-sided dice. What is the probability that at least two dice show the same number?

Guest Jul 7, 2021

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331

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help algebra

Enter (A,B,C) in order below if A, B, and C are the coefficients of the partial fractions expansion of (2x^2 + 3x - 5)/(x(x^2 - 1)) = A/x + B/(x - 1) + C/(x + 1).

Guest Jul 7, 2021

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205

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Probability

In a regular polygon of $10$ sides, three vertices are chosen at random. What is the probability that a triangle formed using these vertices is a right-angled triangle?

Guest Jul 7, 2021

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219

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Base Numbers

\[ \large 123_4 \qquad 123_5 \qquad 123_6 \]
The above shows three numbers, each written in a different base representation. Which of these numbers has the largest value?

Guest Jul 7, 2021

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206

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plz help

Find all values of x such that (x^2 - 11x + 30)/(2x^2 - x - 6) >= 0.

Guest Jul 7, 2021

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348

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quy đồng số 5/25 và 21/56

quy đồng số 5/25 và 21/56

Guest Jul 7, 2021

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209

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help plz

A flower bouquet contains pink roses, red roses, pink carnations, and red carnations. One third of the pink flowers are roses, three fourths of the red flowers are carnations, and six ninths of the flowers are pink. What percent of the flowers are carnations? read more ..

Guest Jul 7, 2021

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301

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need help

When the digits in the number 2005 are reversed we obtain the number 5002 and 5002=a*b*c such that a, b and c are three distinct primes. What are a, b, and c?

Guest Jul 7, 2021

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238

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Graphing problem

The graph of f(x) = (2x)/(3x^2 - 6x - 14) has vertical asymptotes x = a and x = b, and horizontal asymptote y = c. Find a + b + c.

Guest Jul 7, 2021

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204

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Help pls

The average of five consecutive natural numbers is m. If the next three natural numbers are also included, how much more than m will the average of these 8 numbers be ?

Guest Jul 7, 2021

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325

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+4

Help, can someone pls explain this to me step by step?

Find all complex numbers $z$ such that $z^4 = -4.$ Note: All solutions should be expressed in the form $a+bi$, where $a$ and $b$ are real numbers.

DYLANOR Jul 7, 2021

Jul 6, 2021

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431

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+313

Fraction

The fifth grade class decorated the school cafeteria with 56 orange and red balloons. 5/7 of the balloons were orange. How many balloons were orange?

apsiganocj Jul 6, 2021

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329

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help plz

Mable has a penny, a nickel, a dime, and a quarter (1, 5, 10, and 25 cents, respectively).How many different amounts can Mable make using at least one of the coins she has, if the amount must be an even number of cents?

Guest Jul 6, 2021

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269

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Help With Matrixes Please :)

Let A and B be matrices, and let x and y be vectors such that neither is a scalar multiple of the other satisfying
Ax=y, Ay=x+2y
and
Bx=x+y, By=2y. read more ..

Guest Jul 6, 2021

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366

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+313

Math

After a big storm, Mr.Bloop noticed that a lot of the sand from his volleyball pit had been blown away. He drove his pickup truck down to the local gardening supply yard and purchased 4 truckloads of sand to add to the pit. His truck could carry 500 pounds read more ..

apsiganocj Jul 6, 2021

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357

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+313

Percentage

Edgewater Elementary School recently participated in a survey done by the local university. The College of Education had made an arrangement with our principal for the survey. They wanted to determine if students thought male teachers or female teachers read more ..

apsiganocj Jul 6, 2021

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333

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Parabolas

Find the equation whose graph is a parabola with vertex (2,4), vertical axis of symmetry, and contains the point (1,-11). Express your answer in the form "ax^2+bx+c".

Guest Jul 6, 2021

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418

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help with polygon

The exterior angles of a k-sided polygon form an arithmetic sequence. The smallest and largest interior angles of the polygon are 136 and 144. What is k?

Guest Jul 6, 2021

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366

1

help plz

What is the sum of all the odd integers between 300 and 600?

Guest Jul 6, 2021

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