All Questions

953

+1443

Hey, I really need help understanding this linear equation. Can someone please explain this to me?

Catherine paid $155.87 for an MP3 player. If the price paid includes a 9% sales tax, which of the following equations can be used to determine the price of the player before tax? How much was the MP3 player before tax?

a) y = 1.09x read more ..

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SmartMathMan Oct 4, 2020

666

+10

Help

The revenues of a company increased by 39% in year one and decreased by 25% in year two.What is the overall change over the two-year period?

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TranNpb Oct 4, 2020

556

+10

HELP MATH

Last month, a 730 g box of cereal was sold at a grocery store for $3.00. However, this month, the cereal manufacturer launched the same cereal in a 560 g box, which is being sold at $2.40. What is the percent change in the unit price?

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TranNpb Oct 4, 2020

521

PLEASE HELP ME

first

read more ..

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Guest Oct 4, 2020

603

help please

For what value of a, are the points (-2,1), (2,5) and (a-1, 3a) collinear?

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Guest Oct 4, 2020

667

Can you help me with this question?

Suppose b and c are positive integers.
When b^2 is written in base c, the result is 121_c. When c^2 is written in base , the result is 71_b.
What is b+c?

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Guest Oct 4, 2020

570

Help!

What is the remainder of divided by 7?

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Guest Oct 4, 2020

495

inequality

Find the interval of all x such that (-x+7)/2 is in the interval [0,1).

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Guest Oct 4, 2020

633

May I have help for this problem? Thanks so much in advance.

Find the interval of all x such that \frac{-2x+5}{7} is in the interval [0,1).

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Guest Oct 4, 2020

358

geometry

Given: m || n, m∠1=65∘, m∠2=60, and BD−→bisects ∠ABC.

What is angle 6?
read more ..

Guest Oct 4, 2020

793

+324

Missing People

Hey guys. I was reading through the old posts and just thinking about those people from long time ago (2016 or before) and started to wonder: what happened to then?

So there are some people, always consistently keeping up their good read more ..

off-topic

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Nacirema Oct 4, 2020

-2

512

+1443

Please help with a linear equation!

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SmartMathMan Oct 4, 2020

721

probability

A committee has thirteen members. There are two members that currently serve as the board's chairman and vice chairman. Each member is equally likely to serve in any of the positions. Two members are randomly selected and assigned to be the new chairman read more ..

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Guest Oct 4, 2020

667

probability

A committee has eight members. There are two members that currently serve as the board's chairman and vice chairman. Each member is equally likely to serve in any of the positions. Two members are randomly selected and assigned to be the new chairman and read more ..

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Guest Oct 4, 2020

473

help please

James needs to mix a 10% fungicide solution with a 40% fungicide solution to create 100 millileters of a 37% solution. How many millileters of each solution must James use?

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Guest Oct 4, 2020

576

HELP PLEASEEEEE!!!!!

Find when .

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Guest Oct 4, 2020

430

geometry

Find the value of x.

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Guest Oct 4, 2020

782

+1443

This is another linear word problem I couldn't figure out. The question came out weird but just read it normally.

The Workers company manufactures hammers. The production facility has fixed costs of 400 dollars a day and the cost of making one hammer is $4.75. Which of the following equations represents the daily read more ..

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SmartMathMan Oct 4, 2020

572

please help

What is the equation of a line that passes through the point (7,2) and is perpendicular to the line whose equation is y = −2/5*x + 8?

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Guest Oct 4, 2020

Oct 3, 2020

671

+1443

Please help with a linear word problem. Can I multiply centimeters with normal 3?

The length of a rectangle is 3 centimeters more than 3 times the width. If the perimeter of the rectangle is 46 centimeters, find the dimension of the rectangle.

a) L = 5cm; W = 18cm
read more ..

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SmartMathMan Oct 3, 2020

431

investment

Country Day's scholarship fund receives a gift of $ 175000. The money is invested in stocks, bonds,and CDs. CDs pay 6 % interest, bonds pay 2.6 % interest, and stocks pay 11.7 % interest. Country day invests $ 50000 more in bonds than in CDs. If the annual read more ..

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Guest Oct 3, 2020

506

+407

Need help please ASAP

If m is the smallest positive integer such that m! is a multiple of 4125, and n is the smallest positive integer such that n! is a multiple of 281600, then find n-m.

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ss333 Oct 3, 2020

All Questions ⁺⁰237665 Questions

Hey, I really need help understanding this linear equation. Can someone please explain this to me?

Help

HELP MATH

PLEASE HELP ME

help please

Can you help me with this question?

Help!

inequality

May I have help for this problem? Thanks so much in advance.

geometry

Missing People

Please help with a linear equation!

probability

probability

help please

HELP PLEASEEEEE!!!!!

geometry

This is another linear word problem I couldn't figure out. The question came out weird but just read it normally.

please help

Please help with a linear word problem. Can I multiply centimeters with normal 3?

investment

Need help please ASAP

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