What is the justification for 10=15x

Half of Sarah's wire is equal to 2/5 of Daniel's. Chris has 3 times as much as Sarah. In all, their wire measures 6 ft. how long is Sarah's wire in feet?

A rectangular prism has a length of 5 cm, a width of 2 1/2 cm, and a expressions height of 1 1/2 cm. Which can be used to find the volume of the prism? Multiple Choice (a) 5∙2 1/2∙1 1/2 (b) 12 1/2∙1 1/2 (c) 1 1/2 (5+2 1/2) (d) 1/2 (12 12∙112)

The length of a rectangle is 6 inches, and the width is 5 inches. When each dimension is increased by x inches, the area triples.

when segments intesect outside a cricle what is the relationship between the angle or intecection and the intercepted arc

If 8% of a number is 4, what is 12% of a number? Explain your reasoning.

Henry is four times older than James. Next year, Henry will be three times older than James will be. How old are Henry and James now? a. James is 3 years old; Henry is 4 years old. b. Henry is 4 years old; James is 3 years old. c.

Wayne and Winston are scuba diving and are ascending to the surface. The function y = 30x - 105 represents Wayne's elevation in feet in terms of the time in minutes he ascends.

What is 470,000 in scientific notation

Why do you suppose the United States still uses the English System for everyday measurements, while almost every other country uses Sl? Give several possible reasons

Solve the system of equations by graphing. x+y=3, y=2x-15