How to solve in substitution

Y=2x-10

2y=x-8

The number of hours needed to complete a trip, h, varies inversely with the driving speed, s. A trip can be completed in 5 hours at a speed of 60 miles per hour. Find the equation that represents this relationship.

5. Suppose you choose a marble from a bag containing 3 red marbles, and 5 blue marbles. You return the first marble to choose again. Find P (red then blue). A 6 15 121 C 8

A 15-foot ladder is leaning against a wall. The foot of the ladder is 6 feet away from the wall. How far up the wall does the ladder touch?

Hexadecimal, the base 16 numbering system uses the numbers ___ and the letters __. (fig 2

Which equation is the inverse of y = x2 + 16? 0 y=x²-16 y=i - 16 y=+-16 y = x2 - 4

Whats the factors of 3x2+4x+1

Mirele needs to buy fencing to completely surround her backyard pool. How much fencing should she buy? A pool has a length of 31.74 feet and a height of 14.85 feet. 29.70 feet 63.48 feet 66.35 feet 93.18 feet

A clothing store ran advertisements for a special sale. the store ads read buy one at regular price, get a second one for half price. explain how the terms of the clothing store's sale are different from offering a 50% discount.

The numbers 1, 2, 3, 4, and 5 are written on slips of paper, and 2 slips are drawn at random one at a time without replacement. Find the given probabilities. (a) The sum of the numbers is 8. (b) The sum of the number is 6 or less.

How do I Evaluate (2/3) ^5