All Questions

936

+115

Quadratics, don't use funtions

Back at it!

These questions really confuse me:
A ball is thrown from the roof of a 25 m tall building. The ball reaches a maximum hiehgt of 45 m two seconds after being thrown, and hits the ground at five seconds. Determine read more ..

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Drazil Dec 11, 2018

954

simplify

-30+5sqrt(3)/35

off-topic

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Guest Dec 11, 2018

994

+115

Math Quadratics, Don't use functions

Research shows that for every $0.10 increase in the price of batteries, there is a 10 pack decrease per day. If a store normally sells 600 packs of batterues $4.95, what is the optimum orice to sell batteries at?

The Answer is $5.475, read more ..

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Drazil Dec 11, 2018

847

help

A set of five integers has unique mode 7, median 9, and arithmetic mean 11. What is the greatest possible value in the set?

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Guest Dec 11, 2018

727

+476

Math

Please help

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awsometrunt14 Dec 11, 2018

1445

number theory

George is about to get a certain amount of change less than one dollar from the cash register. If he gets the most quarters possible and the rest in pennies, he would need to receive 3 pennies to meet the amount. If he gets the most dimes possible and the read more ..

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Guest Dec 11, 2018

749

+818

graphsuy

The lines =2x+y=k and 0.5x+y=14 intersect when x=-8.4. What is the value of k?

ElectricPavlov ●●

mathtoo Dec 11, 2018

2606

What is the greatest integer less than 100 for which the greatest common factor of that integer and 18 is 3?

ElectricPavlov ●●

Guest Dec 11, 2018

754

+476

Math

What is the recursive rule for the sequence?
−7.4, −21.2, −35, −48.8, −62.6, ...

an=an+1+13.8 , where a1=−7.4 read more ..

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awsometrunt14 Dec 11, 2018

955

+87

Trig problem

In right triangle ABC, with angle a=90, we have AB=6 and BC=10. Find Cos A

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thunderkirby Dec 11, 2018

649

3/7 x 1/2 divided by ( 3/5 - 1/3)

CPhill ●●

Guest Dec 11, 2018

667

Trigonometry

Solve the triangle: 159 ft./ 34 degrees All parts of the triangle should be included in a solution Round sides to four significant digits

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Guest Dec 11, 2018

2198

plz helpand explain these challenge problems thank you!!! you guys are awesome

1. Given that AF=4sqrt(3) and FC=5sqrt(3), what is BC?

2. The diagram is not drawn to scale, read more ..

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Guest Dec 11, 2018

Dec 10, 2018

1073

+83

'I'am not a robot'

Just so you know, the captcha you have to press before submitting a question says "I'am not a robot." Don't mean to be nit-picky here, but has that gone under the radar?

off-topic

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SaltyGrandma Dec 10, 2018

-1

1033

+818

Calculus

An aquarium is making a cylindrical shark tank. The volume must = 6000pi cubic ft. The top of the tank costs $1 per square foot, the glass siding 4$/cubic foot, and the cement bottom costs 2$ per square foot. Find the minimal cost.

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Landry Dec 10, 2018

668

+476

Math

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awsometrunt14 Dec 10, 2018

734

+476

Math

The table of values represents a polynomial function f(x). How much greater is the average rate of change over the interval [7, 9] than the interval [4, 6]?
x f(x)
4 105
5 384
6 945
7 1,920 <#> 8 read more ..

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awsometrunt14 Dec 10, 2018

690

fractions

What is?

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Guest Dec 10, 2018

3063

+476

Math

What are the relative minimum and relative maximum values over the interval [1, 5] for the function shown in the graph?
1.relative minimum = 1.5, relative maximum = −3 read more ..

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awsometrunt14 Dec 10, 2018

1009

help

The least common multiple of two integers is 240, and the greatest common divisor is 24. Given that one of the integers is 48, what is the other integer?

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Guest Dec 10, 2018

1051

least common multiple

One computer in a lab is programmed to back up data at the turn of the minute every five minutes. Another computer is programmed to back up data at the turn of the minute every two minutes. Find the number of times in twenty-four hours that the two computers read more ..

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Guest Dec 10, 2018

667

im confuzled

how to you find what 2.5 times 10 to the 3rd by 3.5 times 10 to the -7th

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Guest Dec 10, 2018

543

Hard Math! Easy to those who know it.

Each item you are selling you want to earn at least 1 dollar or more on. If you want to use the same percent markup for all items, then what percent markup will work for all items on the list below to earn you at least $1 or more in profit? (Use only read more ..

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Guest Dec 10, 2018

2409

What is the largest five-digit integer whose digits have a product equal to the product (7) (6)(5)(4)(3)(2)(1)?

What is the largest five-digit integer whose digits have a product equal to the product (7)(6)(5)(4)(3)(2)(1)?

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Guest Dec 10, 2018

All Questions ⁺⁰238211 Questions

Quadratics, don't use funtions

simplify

Math Quadratics, Don't use functions

help

Math

number theory

graphsuy

What is the greatest integer less than 100 for which the greatest common factor of that integer and 18 is 3?

Math

Trig problem

3/7 x 1/2 divided by ( 3/5 - 1/3)

Trigonometry

plz helpand explain these challenge problems thank you!!! you guys are awesome

'I'am not a robot'

Calculus

Math

Math

fractions

Math

help

least common multiple

im confuzled

Hard Math! Easy to those who know it.

What is the largest five-digit integer whose digits have a product equal to the product (7) (6)(5)(4)(3)(2)(1)?

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