## An object is placed at a distance of 12 cm in front of a concave mirror of radius of curvature 30 cm. List four characteristics of the image formed by the mirror.

211 days agoUnderstand the distinct qualities of the image produced by a concave mirror when the object is positioned 12 cm from its surface.

## The average of nine numbers is 50. The average of the first five numbers is 54 and that of the last three numbers is 52. Then the sixth number is

211 days agoExplore the mystery of the sixth number in a sequence where the average of nine numbers is 50, with the initial five averaging 54 and the last three reaching 52.

## Find the largest of three numbers in Arithmetic Progression whose sum is 87 and whose product is 24273.

211 days agoFind the greatest term in an arithmetic progression where the sum equals 87 and the product equals 24273.

## A Converging lens has a focal length of 10 cm in air. It is made of a material of refractive index 1.6. If it is immersed in a liquid of refractive index 1.3, find its new focal length.

211 days agoCalculate the new focal length of a converging lens, initially with a focal length of 10 cm in air, when submerged in a liquid with a refractive index of 1.3.

## If the sum is 240 and average is 40, Find the number of quantities.

211 days agoFind out how many quantities are required to achieve a sum of 240 with an average of 40 using our guide.

## If you place a 29-foot ladder against the top of a building and the bottom of the ladder is 24 feet from the bottom of the building, How tall is the building? Round to the nearest tenth of a foot.

211 days agoSolve the mystery of the building's height using a 29-foot ladder! With the ladder's bottom 24 feet from the ground, calculate the building's height to the nearest tenth of a foot.

## Nevaeh leans a 22-foot ladder against a wall so that it forms an angle of 64 degrees with the ground. How high up the wall does the ladder reach? Round your answer to the nearest hundreth of a foot if necessary

211 days agoFind out how high a wall a 22-foot ladder touches when leaned at a 64-degree angle. Ensure accuracy with rounded results to the nearest hundredth of a foot.

## An army contingent of 612 members is to march behind an army band of 48 members in a parade. The two groups are to march in the same number of columns. What is the maximum number of columns in which they can march?

211 days agoFind out the maximum number of columns achievable for 612 soldiers and 48 band members to march together in a parade.

## In how many ways can 4 men and 3 women arrange themselves in a row for picture taking if the men and women must stand in alternate positions?

212 days agoExplore the possibilities: 4 men and 3 women create captivating patterns in a row for a unique photo opportunity.

## A circular table has a diameter of 3 feet. What is the circumference of the table to the nearest tenth? Use 3.14 for pi.

212 days agoCalculate the circumference of a 3-foot diameter circular table, rounding to the nearest tenth with the pi value set at 3.14.