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Algebra
When finding the value 2x^2-3x^2+5 when x=-5 the example in my book shows 2x^2-3x^2+5=2(-5)^3-3(-5)^2+5, my question is: why does the exponent become ^3 once -5 is plugged into the equation?
Algebra
mr and mrs smith have just received their gas bill. the details are as follows:
previous meter reading 71200
present meter reading 72720
cost per unit 6.52 pence per unit
fixed standing charge £12.25
VAT 5%
Calculate the cost if the gas bill including VAT.
previous meter reading 71200
present meter reading 72720
cost per unit 6.52 pence per unit
fixed standing charge £12.25
VAT 5%
Calculate the cost if the gas bill including VAT.
Algebra
if one of the roots of x2 +mx+n=0 is 3 times the other then the condition is
Algebra
Represent the set V of vowels of the English alphabet, the set F of integral factors of 15 and the set
M of non-negative multiples of 3 by the property method as well as the listing method. Also
represent them in a single Venn diagram. What universal set did you choose?
Further, give two distinct ways of representing the empty set using some or all three of these sets
M of non-negative multiples of 3 by the property method as well as the listing method. Also
represent them in a single Venn diagram. What universal set did you choose?
Further, give two distinct ways of representing the empty set using some or all three of these sets
Algebra
describe the ordinate of all points on the x-axis
Algebra
can you describe the graphs of these points?
the point (x,y) is less than or equal to 5 units from the center (3,2) of a circle
the point (x,y) is less than or equal to 5 units from the center (3,2) of a circle
Algebra
my question is in regards to the solutions one gets in the quadratic formula, when one gets decimals on either answer , they are almost identical, why is that so?
Algebra
One CD player is 3 times as much as another. Together the two CD players would be $320. What is the price of the more expensive CD player?
Algebra
Mr. Wade carries 3 more than 3 times as many different magazines as newspapers. He carries 85 different newspapers. How many different magazines does Mr. Wade carry?
Algebra
Joshua makes 6.25 per hour making sundaes at Diary Kwik. Last week, he made $261 including tips. How many hours did Joshua work?
