millikan high school

A cone made of paper is 24 in. high and has a radius of 7 in. Find the area of the paper needed to construct the cone. [Use π = 3.14.] => 681.38 in. 2 or 703.36 in. 2 or 527.52 in. 2 or 549.5 in. 2..

The dimensions of a brick are 20 cm × 10 cm × 5 cm. How many bricks will be required to construct a 480 cm long, 100 cm wide and 600 cm high wall? => 1000 or 8,600 or 28,800 or 28000..

At West High University, 1430 students major in arts and 910 major in science. Arts students have been increasing at the rate of 40 students per year and the science students have been decreasing at the rate of 30 students per year. At these rates, after how many years the number of stude..

A 20 ft high tree standing vertically upwards is broken by the wind in such a way that its top just touches the ground and makes an angle of 54° with the ground. At what height from the ground did the tree break? => 9 ft or 15 ft or 5 ft or 10 ft..

A telegraph pole is 100 m high. Its shadow is 100 3 m in length. Find the angle of elevation of the sun. => 30° or 45° or 60° or 75°..

A flagpole of 10 m length is installed on the top of an office building 29 m high. The building and the pole subtend equal angles at a point outside the building which is at a height of 39 m. What is the distance of this point from the top of the pole? => 19 m or 16 m or 14 m or 11 m..

Suggest possible confounding variables for the situation given. " Two groups of people consisting of 6 people each are given 2 special diets - a low- fat diet and a high-fat diet. After 3 months the blood pressures of the groups are compared to see if diet has any effect on blood pressure..

A survey conducted by the Educational Department reveals the expenditure on the secondary and high schools. Pick an appropriate bar graph which represents the data shown in the table. Year Secondary School (in $millions) High School (in $millions) 1..

Past records indicated that pass percentage of the high school students in a school was 85%. New techniques are adopted for teaching and it was observed that 182 students passed out of a random sample of 200. At α = 0.01, is there enough evidence to support the c..

Past records indicated that the variance of scores in final exams of the high school students was 6.16. New techniques were adopted for teaching and it was observed that in a random sample of 80 students, the variance of scores after the final exam is 6.42. Find the chi-square t..