302 Answered Questions for the topic Pre Algebra

Pre Algebra

01/20/16

Which of the following choices shows a linear equation in the most general slope-intercept form? A. ax + bx = cx B. y – y1 = m (x-x1) C. y = mx + b D. y =
Plz help, Thanks~!!!!
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Pre Algebra

01/20/16

Identify the slope: y = -3x – 4. A. -4 B. -3 C. 3 D. 4
Functions and inequalities 
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Pre Algebra

01/14/16

True or False and why. If f(x)= 2x-9 then f(3)=-3.
The answer was true.  I have no idea why?  There are 2 unknowns 
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Pre Algebra Measurement

01/13/16

How do you find the surface area to volume ratio of a sphere?
Also, what would the dimensions of my sphere have to be in order to get the lowest possible surface area to volume ratio. (Meaning the volume is high but surface area is low :-) )
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Pre Algebra

01/13/16

20>-3.2(c-4.3)hdyyfh
Hdhhvddndhdghdgdygyduhgdjhkd
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Pre Algebra

01/06/16

$50 per hour plus $75 other charges $65 per hour. How many hours of work are needed for each to cost the same
solve  equation please show me how t do it
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Pre Algebra

12/16/15

2 summer jobs. First 25 hours 9 dollars per hour. 2nd job how many ever hours $7 per hour. If u want to make no less than $365 how many hours for 2nd job.
write equation.
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Pre Algebra

12/06/15

The second of two numbers is 4 times the first, Their sum is 45. Find the numbers
Ne e e e d  H e  l  p  n o w  p l e a s e
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Pre Algebra

12/02/15

3.6cm-24mm
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Pre Algebra

12/01/15

pre algebra questions
 a student walks 1/4 mile from her home to the store on her way to a friends house. If the store is 1/3 of the way to her friends house, how far is her friends house from her home?  
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Pre Algebra

11/30/15

you buy a book that is 540 pages long. You can read about 30 pages per hour. How long does it take you to read the book?
pre algebra question...so simple yet my brain is going to explode
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Pre Algebra

11/20/15

A recipe requires 4 bottles of ketchup to make 2 gallon of sauce. How many bottles of ketchup are needed to make 10 gallons of sauce
 A reccipe requires 4 bottles of ketchup to make 2 gallons of sauce.  How many bottles of ketchup are needed to make 1 gallons of sauce?   Need the answer as a proportional equation    
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Pre Algebra

11/16/15

Distance of points on a map
A ferry sets sail from an island located at (4,12) on a map. It's destinations is Ferry Landing B at (6,2). How Far will the ferry travel of each unit on the grid is .5 mile?
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Pre Algebra

11/12/15

Use cross products to demonstrate whether or not the two ratios are equivalent: 4/6 and 14/21.
Please help, this question is from my study guide for a big test coming up. Thank you!! 
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Pre Algebra Coordinates

11/12/15

The coordinates of quadilateral VWXY are given below. Find the coordinates of its imagine after a dilation with the given scale factor.
V(6,2), W(-2,4), X(-3,-2), Y(3,-5), scale factor of 2. 
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11/10/15

(X-3)(6x-2)
(x-3)(6x-2) 
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Pre Algebra Math Help

11/06/15

Evaluate the expression: (5a) 3 for a =-1
-125 -120 125 120
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Pre Algebra

11/03/15

Which operation will "undo" multiplication?
i need help on my math please help me thank you 
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Pre Algebra

11/01/15

High speed internet 8th grade MATH HELP PLESE !!!!!!
Brain and michael are getting high speed internet access at the same time.Brain provider charges $60 for installation and $42.95 a month. Michael's provider has a free installation and charges... more
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Pre Algebra Coordinate Plane

10/29/15

Find the coordinates
Triangle ABC has coordinates A(1,4); B(3,-2); and C(4,2). Find the coordinates of the image A'B'C' after a reflection cover the x-axis. 
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Pre Algebra

10/22/15

Point E is located at (-2,2) and point F is located at (4,-6).
What is the distance between points E and F? 
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Pre Algebra Plotting Points

10/22/15

At a halftime show a matching band marched in formation. The lead drummer started at a point with coordinates (-2,-5) and moved 3 steps up and 1 step right.
A. Write a rule to describe the translation  B. What were the coordinates of the drummers final position? 
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Pre Algebra

10/22/15

At a halftime show a marching band marched in formation. The lead drummer started at a point with coordinates (-2,-5) and moved 3 steps up and 1 step right.
A. Write a rule to describe the translation b. What were the coordinates of the drummers final position?
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Pre Algebra

10/12/15

word problem dealing with percentages, income, and wages
You invest a total of $1000 in two accounts. The first pays 6% annual interest, the other pays9% annual interest. At the end of one year you collect $84.60 in interest. How much wasinvested in the... more
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Pre Algebra

10/08/15

the second of two numbers is 3 less than twice the first their sum is 42 find the numbers
the second of two numbers is 3 less than twice the first their sum is 42 find the numbers
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