priscillaoliver4354 priscillaoliver4354
  • 03-05-2020
  • Mathematics
contestada

Describe the error in the work shown below.Find an expression equivalent to 18 + 30.Factors of 18: 1, 2, 3, 6, 9, 18Factors of 30:1,2,3,5,6, 10, 15, 3018 + 30 = 6(3 + 10)​

Respuesta :

salatulmaghrib
salatulmaghrib salatulmaghrib
  • 03-05-2020
6(3 + 10) = 6*3 + 6*10 = 18 + 60
As you can see, it's not equivalent to 18+30

To fix it, we can change (3+10) to (3+5)
Now we have 6(3 + 5). And this is now equivalent to 18+30.
Answer Link

Otras preguntas

What are two Cabinet-level positions?
What is one right or freedom from the First Amendment?*
examples of elastic and inelastic goods... ( at least 20 examples) URGENT..............
Name one problem that led to the Civil War.
Which reaction is single replacement? (1) 2H2O2 --> 2H2O + O2 (2) 2H2 + O2 --> 2H2O (3) H2SO4 + Mg --> H2 + MgSO4 (4) HCl + KOH --> KCl + H2O
What major event happened on September 11, 2001, in the United States?
How old do citizens have to be to vote for President?
Which term represents a type of nuclear reaction? (1) condensation (2) vaporization (3) single replacement (4) natural transmutation
Equal amounts or ethanol and water are mixed at room temperature and at 101.3 kPa. Which process is used to separate ethanol from the mixture? (1) distillation
Which change results in the formation of different substances? (1) burning of propane (2) melting of NaCl (s) (3) deposition of CO2(g) (4) solidification of wat