diamondlee526 diamondlee526

13-01-2015
Mathematics

contestada

What is the value of a in the equation 5a – 10b = 45, when b = 3?

Respuesta :

13-01-2015

[tex]5a-10b=45\ \ \ \ \ \ \ and\ \ \ \ \ \ b=3\\\\5a-10\cdot3=45\\5a-30=45\\5a=45+30\\5a=75\ \ \ \ \ \ \ ||:5\\\boxed{a=15}[/tex]

Answer Link

Otras preguntas

how do you find the actual diameter of a star going from arcseconds to kilometers?ex The supergiant star Betelgeuse (in the constellation Orion) has a measured

How is the Grand Canyon like a history book

Find the slope and y intercept 4x-5y=5

simplify the expression w+14w-6w & 3a²+6a+2b²

Which is farther from the equator 30°N or 30°S

Is water a compound?

what does 3/5 equal to as a decimal

170000 in scientific notation

which number is a factor or 20 but not a multiple of 2?

Which plot structure is found commonly in fairy tales, folk tales, and myths?