Algebra - math word problems - page 138 of 305

Number of problems found: 6082

Parentheses in an expression
Insert parentheses to apply: 1 2 3 4 = 5
Third member
Determine the third member of the AP if a4=93, d=7.5.
AS - sequence
What are the first ten members of the sequence if a11=22, d=2?
Consecutive number sum
The sum of three consecutive numbers is 18. What are the numbers?
What are 3
What are the five arithmetic means between 2 and 44?
Sequence:
Sequence: 4,10,40,400,16,000,______, ________ Find these two members.
Calculate
Calculate the sum of all three-digit natural numbers divisible by five.
AP terms
What are the four terms of arithmetic progression between numbers 4 and 19?
15th term of AP
What is the 15th term; x1=1.5, d=4.5?
10th term
What is the 10th term of the Arithmetic Progression if x1=4 and d=5?
Cube root
Find the cube root of 18
Odd number sum
Calculate the sum of all 4-digit odd natural numbers.
Sequence 3
Write the first 6 members of an arithmetic sequence: a₅=15, a₁₁=39.
Divisibility 2
How many divisors have integer numbers 80?
Multiples of eight
Find the sum of the first 25 multiples of 8.
Operations with sets
Set B - A has twice as few elements as set A - B and four times fewer elements than set A ∩ B. How many times more elements does set A have than set B?
Three sets and operations
Let A= {1,3,5}, B={2,4,5,6}, U={1,2,3,4,5,6,7} Find: 11. A ∪ B 12. A ∩ B 13. A' 14. (A ∩ B)' 15. B"
Number operation puzzle
Please substitute such numbers for x so that the indicated numerical operations are correct - first, and the last x must be identical. Thank you. Example: x: 2 = x -2 y: 5 = y + 7 z * 4 = z + 6
Random event operations
Consider an experiment with a dice. Let us define the random events A={at most 3}, B={roll more than 1}, C={roll 2, 3, 4}. Determine the random event D that is given by the operations A∪B \ B∪C
Exponential decay
A tank contains 55 liters of water. Water is flowing out at the rate of 7% per minute. How long does it take to drain the tank?

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