Mathematics, 06.09.2021 06:40 dondre54
2. Using suitable algebraic rules, calculate the following: (2 points each)
( a ) 582-422
( b ) 9992
( c ) 10595
3. Expand the following: (2 points each)
( a ) 7b(b2-b-3)
( b ) (m+5)(m2+m-1)
( c ) 6x+42
( d ) (2x+3y)(2x-3y)
4. Factorise the following expressions: (2 points each)
( a ) 25x2-16y2
( b ) y2-6y+9
( c ) x2-14x-32
Answers: 2
Another question on Mathematics
Mathematics, 22.06.2019 00:00
How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide? original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters
Answers: 1
Mathematics, 22.06.2019 00:00
Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?
Answers: 3
Mathematics, 22.06.2019 01:00
The ideal weight of a nickel is 0.176 ounce. to check that there are 40 nickels in a roll, a bank weighs the roll and allows for an error of 0.015 ounce in total weight
Answers: 1
You know the right answer?
2. Using suitable algebraic rules, calculate the following: (2 points each)
( a ) 582-422
Questions
Chemistry, 08.07.2019 02:10
Mathematics, 08.07.2019 02:10
Mathematics, 08.07.2019 02:10
Mathematics, 08.07.2019 02:10
Mathematics, 08.07.2019 02:10
Social Studies, 08.07.2019 02:10
Mathematics, 08.07.2019 02:10
Mathematics, 08.07.2019 02:10
