rudysosbaldo rudysosbaldo
  • 13-01-2018
  • Mathematics
contestada

Evalue 5a+3b and (5+a)(3+b) for a=2 and b=4. How is the order of steps diferent for the two expression

Respuesta :

Frozey
Frozey Frozey
  • 13-01-2018
5a+3b = 24 
(5+a)(3+b) = 49 

The order of steps are different because one requires multiplication then addition while the other one requires addition then multiplication. But one sure thing is that they both need substitution. 
Answer Link

Otras preguntas

Which reactants form the salt CaSO4(s) in a neutralization reaction? (1) H2S(g) and Ca(ClO4)2(s) (2) H2SO3(aq) and Ca(NO3)2(aq) (3) H2SO4(aq) and Ca(OH)2(aq) (4
How many milliliters of 0.100 M NaOH(aq) would be needed to completely neutralize 50.0 milliliters of 0.300 M HCl(aq)? (1) 16.7 mL (3) 150. mL (2) 50.0 mL (4) 3
Can Jet Fuel burn through Steel Pipes?
The nucleus of an atom of K-42 contains (1) 19 protons and 23 neutrons (2) 19 protons and 42 neutrons (3) 20 protons and 19 neutrons (4) 23 protons and 19 neutr
What is the total number of valence electrons in a germanium atom in the ground state?(1) 22 (3) 32(2) 2 (4) 4
the sum of two consecutive even integers is -22, what are the two numbers?
Jamie ran 1/5 of a relay. She ran 3/4 of a mile. How long was the relay? (I'm guessing in miles)
Amanda reads 15 pages of her 150 page book in 2 hours at this rate how long will it take her to read the entire book
As a result of the gold foil experiment, it was concluded that an atom(1) contains protons, neutrons, and electrons(2) contains a small, dense nucleus(3) has po
Science Experiments: What does Interpretation of Data mean?