In a collection of dimes than quarters. If there is 29.65$ overall, how many of each are there

What is the smallest integer n such that n\sqrt{2} is greater than 20

The average human heart beats 1.15 \cdot 10^51.15⋅10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65⋅10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year.how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.

Xto the second power plus 14x plus 48. what are the factors? we are doing factoring trinomials with a=1