17,971 Answered Questions for the topic algebra 1

Algebra 1

11/13/14

Algebra word problem formulas

A car passes point A going 60 kph. Fifteen minutes later a second car going in the same direction passes point A going 80 kph. Assuming that both cars are maintaining a constant speed and continue... more
Algebra 1 Perimeter

11/12/14

help me plz

in a triangle in which the sides have different lengths the length of the shorter side is 5 less then the length of the next longest side. The length of the longest side of the triangle is 1 more... more
Algebra 1

11/12/14

pre algebra

a rock group plans to travel for a total of 26 weeks, making three concert stops. they will be in japan for 6 more weeks than they will be in australia. their stay in sweeden will 4 weeks shorter... more

11/12/14

Help with systems of equations?

How can i solve this system of equations algebraically?  Please show steps x2-6x+y2+4y-10=0 y=x+2  
Algebra 1

11/12/14

help please

using only 39 cent and 24 cent stamps charlie put 7.14 postage on a package.If he used twice as many 39 cent stamps as 24 cent stamps how many 24 cent stamps did he use
Algebra 1

11/12/14

Laura can pick up her toys in 5 minutes. Her mother can pick up the toys in 2 minutes.

how long will it take laura and her mother to pick up the toys together?
Algebra 1

11/12/14

At a lake 24 bass are caught and tagged. A couple of weeks later, in the same lake 14 bass are caught and 3 of them have tags.

Estimate the bass population for this lake.     solving with tables is how we have been working out these problems, but unsure of how to set up table
Algebra 1

11/12/14

writing sentence as an inequality

how to write a.)  " A number n is less than or equal to -7 or greater than 12" as an inequality   b.) " A number p is less than 6 and greater than 2
Algebra 1

11/12/14

64 feet per second from a height of 720 ft. its height s,in feet after t seconds is given by s=-16t^2+64t+720

a ball is thrown upward with an initial velocity of 64 feet per second from a height of 720 ft. its height s, in feet after t seconds is given by s=-16t^2+64t+720 how long till the ball reaches the... more
Algebra 1

11/12/14

Y= 3x + 2 Domain = {1,2,3,4}

Need help on explaining how to find the range of functions when the domain is given .
Algebra 1

11/11/14

what are the zeros for (x^2-16)(x^2-4)

I'm wondering how to find the zero's for (x^2-16)(x^2-4). I know zero's are horizontal intercepts, but I can't seem to figure it out. Any help is appreciated. Thank you.
Algebra 1 Fractions

11/11/14

4/5x+3/5x+9=-25

Trying to help my 7th grader with this Algebra equation.  Any tips?
Algebra 1

11/11/14

solve for x

3y / 7x=9   solve for x 

11/11/14

so theres this equation and its really confusing me out!

Solve Y=5x-4y X+y=12   1/3x+y=1/2 X-y=3/4    
Algebra 1 Word Problem

11/11/14

Twin basketball players

 Sisters Lynn and Laurie play on their school’s basketball team. Last month they each scored the same number of points – amazing! Together, they had the same number of one-point free throws as... more
Algebra 1 Word Problem

11/11/14

David left Boston at 25 km/h. 45 minutes later Peter rode out of Boston at 25 km/h. how far down the road will David be when Peter catches up to him?

This is a problem on my homework that I don't know how to do. 
Algebra 1

11/10/14

algebra help

In a polynomial division problem, the dividend does not have an x4-term. When the problem is written in long division form, what should be the coefficient of thex4-term in the dividend?  

11/10/14

Which of the following are solutions for this nonlinear system of equations check all that apply

X^2-2x-35=y x=y-5 a)(0,-5) b)(8,13) c)(-35,0) d)(-8,-35) e)(0,-35) f)(-5,0)
Algebra 1 Math

11/09/14

whats the answer to 2(a-5)-5=3

I don't understand how to do this Question so that's why I'm here ok ok ok ok 
Algebra 1 Algebra 2

11/09/14

For the data set below witch one Is true

18,17,23,20,21,22,19 a) the range is equal to the third quartile minus the third quartile. b)the variance is the square root of the standard deviation . c) the interquartile range is 8  d) the... more
Algebra 1 Probability

11/09/14

What is the probability of spinning blue or green

Write as decimal  red:2 yello:3 green:2 blue:1
Algebra 1 Algebra 2 Helpful Data

11/09/14

For the data set below whitch one is true

9,8,6,7,8,5,6,9,7,7 a) the equallaterial range is greater than the range b)the range is five c)the standard deviation is approximately 2.5. d)the variance is 1.56.

11/09/14

DVD and Money Allowed (60 DVD restriction)

DVD's are being sold for $4.95 each and $5.95 each. You need to buy 60 DVDs for gifts. How many of each can you buy to spend exactly $317?
Algebra 1

11/08/14

slope intercept form of (0,2) and (1,-3)

someone. please.HELP.  
Algebra 1

11/08/14

How long will it take you to read 6.25 pages and also take the test?

  It takes you 0.8 of a minute to read each page of your health book. It takes you 5.5 minutes to take the test at the end. How long will it take you to read 6.25 pages and also take the... more

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