Addition + expression of a variable from the formula - practice problems - page 2 of 4
Number of problems found: 79
- Difference 81835
Determine the difference d in AP if a1=3 and a1+a2=12 - Arithmetic 81798
Two arithmetic sequences have the same first term. The nth term of the first sequence is 15, and of the second sequence, 21. The sum of the first n terms of the first sequence is 63, and of the second sequence, 84. Write the sums of the first n terms of b - Expression values
Let A = 5, B = 4.4, and C = 4.25. Find the value of each expression listed below. A² × (B - C) B × (A - C) B + C - A A - B + C - Possible terms
Write the following expression using the fewest possible terms. the expression quantity two-fifths times t minus 7 plus two-thirds times t end quantity minus quantity five-sixths times t plus 14 end quantity
- Ninety-one 80354
Ninety-one books are arranged on seven shelves so that there are 4 more books on each subsequent shelf than on the previous one. How many books are on the 7th shelf? - The sum 23
The sum of the first 10 terms of an arithmetic sequence is 530. What is the first term if the last term is 80? What is the common difference? - The third 2
The third term of an arithmetic sequence is -12, and the seventh term is 8. What is the sum of the first 10 terms? - AP - general term
Find the sum of the first 12 terms of the arithmetic sequence whose general term is an=3n+5. - What are 3
What are the five arithmetic means between 2 and 44?
- Use AP sum formula
If x+3x+5x+7x+...+87x=5808, what is the value of x? - Five friends
Five friends ate a 12-slice pizza. Samir ate three times as many slices as Joe. Joe ate half as many slices as Emily. Kendra and Fong together ate half a pizza. Kendra ate one-third as many slices as Samir. Fong ate the most slices. What fraction of a piz - Danny
Danny made a mistake in the following problem. Line 1:21 + 35 ÷ 7 + 6(2) Line 2:21 + 5 + 6(2) Line 3:21 + 11(2) Line 4:21 + 22 Line 5:43 On what line was the mistake made? Only input the number of the first incorrect line. - In a museum
There are 250 people in a museum 2/5 of the 250 people are girls. 3/10 out of the 250 people are boys. The rest of the 250 people are adults. Find the number of adults at the museum. - The scores
The scores of 10 learners in a test arranged in ascending order is 12, 13, 13, a, (a + 3), (52 - 2a), (2a - 8), 23, 23 and 24. If the median mark is 20, find (a) value of a. (b) mean
- The terms
The terms 1/64, 1/32, and 1/16 form a geometric progression (GP). If the sum of the GP is (2³6 – 2^-6), find the number of terms. - Evaluate 25
Evaluate the following expression: [ 3 + ( 40 ÷ 5 ) x ( 2 x 2 ) ] – 5 = - Highest 62464
The iron pipes are placed in 10 rows, one above the other so that in the highest upper row, there are 15 pipes, and in each other, there is one tube more. How many pipes are there? - Difference 61133
Determine the difference of the arithmetic sequence (an), if given: a1 = 5, an = 23, Sn = 392 - AP members
Insert as many arithmetic sequence members between numbers 1 and 53 that the sum is 702.
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Addition practice problems. Expression of a variable from the formula - practice problems.