Simplify using the vertical method. (2k+3)(2k^2-4k-3)
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4k^3 - 8k^2 + 6k^2 - 12k - 6k - 9 Combine like terms... -8k^2+6k^2= -4k^2 -12k+6k=-6k and leave 4k^3 and -9 alone because you don't have anything to combine it with so the equation is 4k^3 -4k^2 -6k -9
In a survey of 3,000 people who owned a certain type of car, 1,050 said they would buy that type of car again. What percentage of the people of the people surveyed were satisfied with the car?
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34% This is because when you divide 1,050 by 3,000 you get 0.34 then turn that into a percent then there you go
How to make 3 groups of tens
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10×10=100×10=1000×10=10000 and so on
To make 3 groups of tens you can do 3 X 10 or you can add them up. Let me show you. In the picture is 3 groups of 10.
Can I get step by step explanation for how to get the equation 5x+15+5y=10x into function form for graphing
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1). Divide each side by 5.
2). Subtract 'x' from each side.
3). Subtract 3 from each side.
And there you'll have it.
there are 12 girls and 18 boys in a class. What is the largest number of groups they can be split up into and have the same number of boys and girls on each team?
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They all can be split up to 6 groups because 12+18=30 so each group will have 5 kids in it.
A pair of inline skates, regularly priced at $180, is now on sale at a 30% discount. What is the sale price of the skates?
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180 x (1-30%) =180 x 0.7 =$126
so you divide it by 10 to get $18 (10%) Then you do 18*3 = 54 (This is 30%) Then you minus this from $180: 180-54= $126