Find the value of 9 in 6913 and 7294, then compare the results. (a) Value of 9 in 6913: ◯90,000◯9000◯900◯90
(b) Value of 9 in 7294: 90,0000900090090
(c) Compare: the value of 9 in 6913 is ∇ the value of 9 in 7294.
Find the value of the expression 1+7 and select the appropriate type of problem: addition with same sign, addition with different sign, or subtraction.
Determine if each sequence is arithmetic and find the common difference d if it is. −6,−10,−14,−18,… | Arithmetic, d=−4 | Not arithmetic
−11,−6,−1,4,… | Arithmetic, d=5 | Not arithmetic
3,9,27,81,… | Not arithmetic | Not arithmetic
Calculate the amount in mL of heparin to administer given that the order is for 1,000 units IV q12h and the available heparin concentration is 5,000 units/mL.
Tomic and Brooke play a free throw shooting game. Each basket is worth 221 points, and each miss is worth −43 points. They make 16 out of 30 free throws. Part A: Tomic incorrectly calculated their score as 5021 points. Explain his likely error. Part B: What is the correct number of points Tomic and Brooke scored?
Find the number of students per van and bus given that High School A rented 16 vans and 8 buses with 752 students, and High School B rented 5 vans and 5 buses with 380 students, where each van and bus carried the same number of students.
Chinedu solves 2 math problems per minute. Find the explicit formula for the sequence f(n) representing the number of problems left to solve at the start of the nth minute. f(n)=30−2n
Find the cost of 4 potted plants and 5 bags of compost given the costs of 7 plants + 2 compost and 3 plants + 4 compost. Cost of 7 potted plants and 2 bags of compost: £41
Cost of 3 potted plants and 4 bags of compost: £27
1. Find n for arithmetic series: a) t1=8,tn=68,Sn=608 b) t1=−6,tn=21,Sn=75 2. Find t10 and S10 for series: a) 5+10+15+⋯ b) 10+7+4+⋯ c) (−10)+(−14)+(−18)+⋯ d) 2.5+3+3.5+⋯ 3. a) Sum of multiples of 4 between 1 and 999 b) Sum of multiples of 6 between 1 and 999