20. The arithmetic mean of 80 numbers is 55. If two numbers namely 250 and 850 are removed, what is the arithmetic mean of remaining numbers? A. 42.31 B. 57.12 21. Given that 3x4-(2x)³ 12x-² A. 9 B. 11 C. 50 D. 38.62 = Ax". Find the sum of A and n. 22. Find the 4th term in the expansion of (x³ + y²)4. A. 4x³y6 B. 4x6y³ C. 13 D. 15 C. 6x³y6 D. 6x6y³

Q: Hi Solve plz. 1. Find the number of possible ways to choose 2 apples, 1 orange, 1 papaya and 2…

A: No. of apples in the basket=3 No. of oranges in the basket=2 No. of papayas in the basket=2 No. of…

Q: help

A: Please refer to the image below

Q: 8€ Solve for X. 2x-1 3 x+1 45 - 2

A:

Q: Please solve and show your work

A: Given that

Q: A manufacturing company uses an acceptance scheme on items from a production line before they are…

A: Given Information: Boxes of 27 items are readied for shipment and a sample of 3 items is tested for…

Q: Please solve and show your work

A: LCM of x and 3x is 3x.Multiply both sides by 3x to get rid of the denominators.

Q: One number is 7 more than another number. If the smaller number is doubled and added to 4 times the…

A: Let the smaller number be ' x ' and the larger number be ' y '

Q: 16 X- 4 20 4.

A:

Q: Solve for x. 10x-5 63 8 20

A: To solve for x

Q: |r + y = -3 *- y = 11

A:

Q: Which problem do you need to borrow to solve?

A:

Q: 37 What is the positive solution to the equation 0

A: To find: The positive solution of the equation 0=13x2-3. Calculation: The solution of the equation…

Q: Solve for x. 2x+29 3x+8

A: Both the angle with x variable makes a supplementary angle.i.e (180°).