$12x+3=15x\ \ \ \ |subtract\ 3\ from\ both\ sides\\\\12x=15x-3\ \ \ \ \ |subtract\ 15x\ from\ both\ sides\\\\-3x=-3\ \ \ \ \ |divide\ both\ sides\ by\ (-3)\\\\\boxed{x=1}\\\\check:\\\\L=12\cdot1+3=12+3=15\\R=15\cdot1=15\\\\L=R\ :)$

4 0

3 years ago

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The straight line L has equation y = 2x - 5

Aleksandr-060686 [28]

Answer:

slope of perpendicular line - m = -1/2

passing through (-2,3)

thus,

y-3 = -1/2 (x+2)

or y = -1/2x +2

7 0

3 years ago

Jon can run at a rate of 9.5 miles per hour. How long will it take Jon to run 23.75 miles?

Rom4ik [11]

Answer: 2.5 hours

Step-by-step explanation: 23.75 divided by 9.5

3 0

3 years ago

Write 761/10,000 as a decimal number ​

Write 761/10,000 as a decimal number