Two times the reciprocal of a number equals 4 times the reciprocal of 5. find the number.

Estimate each quotient. show the compatible numbers you use. 0.02848 ÷ 0.00579

The sixth grade art students are making a mosaic using tiles in the shape of right triangles.each tile has leg measures of 3 centimeters and 5 centimeters.i f there are 200 tiles in the mosaic what is the area of the mosaic.

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?