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735

help

a gallon of latex paint can cover 500 square feet. maria has a rectangular room whose dimensions are 14 feet by 25 feet, with 7-foot ceilings. how many gallon containers of paint does she need to buy to paint two coats on each wall?

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Guest Jan 27, 2020

408

I really need help

Im really stuck on this. I would exctremerly appreciate it if you would help. P.S. This is not a joke im dislectsic https://www.google.com/search?q=homewo read more ..

off-topic

Guest Jan 27, 2020

812

+1995

help me with 2 questions? thank you

question 1

question 2
read more ..

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jjennylove Jan 27, 2020

1187

help

A students cost for last semester was $2200. She spent $396 of that on books. What percent of last semesters college costs was spent on books?

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Guest Jan 27, 2020

554

math

Tell whether the two rates form a proportion. 7 inches in 9 hours; 42 inches in 54 hours

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Guest Jan 27, 2020

550

Quadratic optimization and AM-GM

The numbers 1, 2, 3, ... 10 are to be entered into the 10 boxes shown below, so that each number is used exactly once:

(_+_+_+_+_)(_+_+_+_+_)=A
What is the maximum value of A? What is the minimum value read more ..

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Guest Jan 27, 2020

613

help please

Let a, b, c, and d be distinct real numbers such that a = sqrt{4 + sqrt{5 + a}}, b &= sqrt{4 - sqrt{5 + b}}, c = sqrt{4 + sqrt{5 - c}}, d = sqrt{4 - sqrt{5 - d}}. Compute abcd.

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Guest Jan 27, 2020

2165

What is the 75th term in the arithmetic sequence -13, -9, -5, -1,... ?

What is the 75th term in the arithmetic sequence -13, -9, -5, -1,... ?

An arithmetic sequence 2,5,8,11,14 is written in order in a book, one hundred numbers per page, beginning on page one. On which page will the number 11,111 appear? read more ..

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Guest Jan 27, 2020

442

help

In the year 2015, the population of bats was 300,000. The population is decreasing by 1/2 each year. In what year will the population be 3000?

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Guest Jan 27, 2020

1206

I don't get how to do this

Factor $(x^2+y^2-z^2)^2-4x^2y^2$ as the product of four polynomials of degree $1$, each of which has a positive coefficient of $x$?

Thanks for the help

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Guest Jan 27, 2020

621

help

Lauren has four children. Each child is precisely one year older than the next oldest one. Lauren notices that the sum of the ages of her four children totals her own age. How old is Lauren if she is five times the age of her youngest child?

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Guest Jan 27, 2020

436

math

2.25=18.90e

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Guest Jan 27, 2020

725

help

The longest side of a right triangle is 15 feet. The third side is 15 less than three times the shortest side. Find the length of the shortest side.

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Guest Jan 27, 2020

1814

What is ∑n=132(4n+1) equal to?

Can someone please help me ASAP? I can only take this once

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Guest Jan 27, 2020

782

help

The measures of two complementary angles are complementary angles are in the ratio 1:3. What are the measures of the angles?

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Guest Jan 27, 2020

545

What is the sum of the series?

Can someone please help me ASAP? I can only take this once

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Guest Jan 27, 2020

905

help

The volume of a cone is 16 pi cubic inches. Its height is 12 inches. What is the radius of the cone?

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Guest Jan 27, 2020

503

solve

(3-4i)(1+i)

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Guest Jan 27, 2020

1118

help please

Dima called her friend to tell her that she saved 30% on her new skirt at a discount store. Her friend told her that she could have gotten a better deal at a different store that was advertising a sale if 1/3 off all clothing. If the original price of Dima’s read more ..

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Guest Jan 27, 2020

2463

+47

Math please help

3. Harold uses the binomial theorem to expand the binomial. ( 3x^5-1/9 y^3)^4

a.What is the sum in summation notation that he uses to express the expansion read more ..

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Vanessadeirdre Jan 27, 2020

988

+47

Math!

1. Consider the infinite series defined by. Infinity/the sume of/ n=1 (2n!/2^2n) *

What is the value of r from the ratio test?
What does this r value tell you about the series? read more ..

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Vanessadeirdre Jan 27, 2020

757

help

Liana's class was going on a very exciting school trip, but when Liana got to school, the school bus had already left! Frantic, Liana begged her mom to drive her to catch up with the bus. Liana's mother has to decide quickly whether she can do it. These read more ..

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Guest Jan 27, 2020

779

help

How many natural numbers between 300 and 500 contain the digit 2?

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Guest Jan 27, 2020

692

help

Isaiah has $7.15 in Dimes and Nickels.He has a total of 91 coins.How many good each coin does he have?

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Guest Jan 27, 2020

880

In the diagram below, BD = 9, CE = 7, [ABC] = 30, and [ADE] = 20. Find [ACD].

In the diagram below, BD = 9, CE = 7, [ABC] = 30, and [ADE] = 20. Find [ACD].

[ ] means area. read more ..

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Guest Jan 27, 2020

All Questions ⁺⁰237668 Questions

help

I really need help

help me with 2 questions? thank you

help

math

Quadratic optimization and AM-GM

help please

What is the 75th term in the arithmetic sequence -13, -9, -5, -1,... ?

help

I don't get how to do this

help

math

help

What is ∑n=132(4n+1) equal to?

help

What is the sum of the series?

help

solve

help please

Math please help

Math!

help

help

help

In the diagram below, BD = 9, CE = 7, [ABC] = 30, and [ADE] = 20. Find [ACD].

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