Sonny substituted 5 for x in the proportion 16/x=48/15 and cross multiplied to get 240=240. Why is this?

0.5 (x^4-7) + 16 what is the answer your answer should contain decimals.

The scale of a model train is 1 inch to 13.5 ft. One of the model trains is 5 inches long what is the length in feet of the actual train car

What is the primary disadvantage of using algorithms?

A bag contains yellow marbles and green marbles, 38 in total. The number of yellow marbles is 6 less than 3 times the number of green marbles. How many yellow marbles are there?

What is 9,000,009 in word form?!

12.88t - 103.04 = 5.52t - 44.16

Greenland, the largest island in the world, is 21 times larger than Iceland. The combined area of Greenland and Iceland is 880,000 mi2. Find is the area of Greenland.

Which function describes the graph below? On a coordinate plane, a curve crosses the y-axis at (0, 7), decreases to negative 1, and then increases again to 7. y = 8 cosine (x) + 3 y = 4 cosine (x) + 3 y = 4 sine (x) + 3 y = 8 sine (x) + 3

What is a two way table?

A telephone operator's salary is Rs 265000.00 per month. If she receives a salary increase 5% what is her new month salary