All Questions ⁺⁰237671 Questions

0

398

1

help with sum

Find polynomial f(n) such that for all integers n >= 1 we have
f(n) = 1^3 + 2^3 + 3^3 + ... + n^3

Write f(n) as a polynomial with terms in descending order of n read more ..

Guest Jul 6, 2021

0

394

1

+13

Please halp!

A certain club has $50$ people, and $4$ members are running for president. Each club member either votes for one of the $4$ candidates, or can abstain from voting. How many different possible vote totals are there?

AUser Jul 6, 2021

0

344

1

Math

Jane spent the same amount of money on 10 pencils and 14 erasers. Each pencil cost 20 cents more than each eraser. Find the cost of one eraser.

Guest Jul 6, 2021

0

391

1

+13

Help!!

A certain club has $50$ people, and $4$ members are running for president. Each club member votes for one of the $4$ candidates. How many different possible vote totals are there?

AUser Jul 6, 2021

+1

394

1

+13

Help please!!!

I have $8$ pieces of strawberry candy (all identical) and $7$ pieces of rhubarb candy (all identical). Find the number of ways I can distribute this candy to $5$ children.

AUser Jul 6, 2021

0

438

1

parallelogram

WXYZ is a parallelogram where angle W is half of a right angle WX = 10, and XY = 18, What is the area of the parallelogram.

Guest Jul 6, 2021

0

475

1

+58

Math

Remus bought a mug and 4 towels for $13. Joanne bought a mug and 7 towels for $19. Find the cost of the mug.

The difference in total cost is the cost of the extra towels.

swagmastercaillou Jul 6, 2021

0

420

1

help pls

A square is constructed using the hypotenuse line AC of right triangle ABC as a side, as shown below. Find the area of the square if AB = 5 and BC = 8.

read more ..

Guest Jul 6, 2021

0

415

1

coordinates

If D (1, 4) and F (-7, 1) partitions the segment in a 8:1 ratio. What is T?

Guest Jul 6, 2021

0

429

1

help pls :D

Let n be a four-digit number whose square root is three times the sum of the digits of n. Compute n

Guest Jul 6, 2021

0

389

1

Help with quadratic

The equation y = -4.9t^2 - 3.5t + 12.4 relates the height y (in meters) to the elapsed time t (in seconds) for a ball thrown downward at 3.5 meters per second from a height of 12.4 meters from the ground. In how many seconds will the ball hit the ground? read more ..

Guest Jul 6, 2021

0

273

0

Algebra

Given that a+b=c , a+c=d and b=c+d where d is a positive integer, what is the greatest value of a?

Guest Jul 6, 2021

0

616

1

can someone explain and show work?

Tania has acid solution in two concentrations: 50% and 100%. She wants to produce 300 mL of 80% acid solution by volume. How many milliliters of each concentration should she use?

Guest Jul 6, 2021

0

412

2

Trapezoid

Let ABCD be a trapezoid with bases BC and AD. In this trapezoid, angle DBA = 108, angle ABD = 47, and angle BCD = 141. Find angle CBD, in degrees.

Guest Jul 6, 2021

0

440

1

Trapezoid

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 Jul 6, 2021

0

444

2

Help me

Krishaun has $5, $10, and $20 coins worth a total of $560. She has the same number of $5 coins as $10 coins, and the same number of $10 coins as $20 coins. How many $20 coins does Krishaun have?a.16
b.15
c.20
d.28
e.17

Guest Jul 6, 2021

0

450

1

help algebra

Fill in the blank with a constant, so that the resulting expression can be factored as the product of two linear factors.
3mn - 6m + 7n + ___

Guest Jul 6, 2021

0

687

1

+100

help

Link is coloring a triforce, which consists of four equilateral triangles and is depicted below. He has three colors to use: gold, black, and green. So that it remains recognizable, he doesn't want to color any two triangles the same color if they share read more ..

Wsai12 Jul 6, 2021

0

276

0

Complex Numbers

Find all complex numbers z that satisfy z^2 = i/2.

Guest Jul 6, 2021

0

392

1

Parabola

Find the vertex of the graph of y = (x + 18)^2 - 15.

Guest Jul 6, 2021

0

439

1

could someone please help me with this question its urgent?

The speed, s, in metres per second, of a tsunami, is related to the depth, d, in metres, of the water through which it travels. This relationship can be modelled with the formulas=√10d, d≥0 A tsunami has a depth of 22 m. read more ..

Guest Jul 6, 2021

0

468

2

help please :)

At a picnic of at least 3 people, a plate of 26 cookies is passed around. Each person takes one cookie and passes the plate to the next person. Jana gets the first cookie and next to last cookie. What is the median of all possible numbers of people at the read more ..

Guest Jul 6, 2021

0

422

1

plz help

The polynomial f(x) = x^3 + x^2 - 2x - 3 has three distinct roots. Let g(x) = x^3 + bx^2 + cx + d be a cubic polynomial with leading coefficient 1 such that the roots of g(x) are the squares of the roots of f(x). Find the ordered triple read more ..

Guest Jul 6, 2021

0

422

1

help algebra

For specific positive numbers m and n, the quadratics 16x^2+56x+36 and (mx+n)^2 differ only in their constant term. What is mn?

Guest Jul 6, 2021

0

495

1

halp

Find the one 10-digit number which uses all 10 digits and has the following characteristics: The leftmost digit is divisible by 1, the leftmost two digits make a number divisible by 2, leftmost three digits form a number divisible by 3, etc. until read more ..

Guest Jul 6, 2021

1 Online Users