sjaybanks5835 sjaybanks5835
  • 01-10-2018
  • Mathematics
contestada

Tom got a 90, 87, and 72 on his math exams. What score does he have to get on his next exam to have an average of 88?

Respuesta :

tramserran
tramserran tramserran
  • 01-10-2018

[tex]\frac{90 + 87 + 72 + x}{4} = 88[/tex]

90 + 87 + 72 + x = 88(4)

             249 + x = 352

                        x = 103

Answer: 103

I hope the next exam has extra credit questions!

Answer Link

Otras preguntas

NaOH  + H2SO4 =NaOH + HNO3  =Cu(OH)2 + HCl =                H2SO4 =                        HNO3 =
Heating zinc sulfide in the air causes the formation of
How long did mummification go for poor Egyptians?
what describes the solvent in any solution
What are the origins of prevailing ideas about natural, ideal, and deviant bodies in sports and in society?
What are enzymes also known as? What do enzymes do to biological reactions? What do we call the special shape on an enzyme molecule? What are enzymes made of? W
What long-term effect do you think EU membership will have on nationalism in Europe? Explain.
In what respect does an atom of magnesium differ from a magnesium ion (Mg^{2+})? (A)The ion has a more stable electronic arrangement than the atom. (B)The pos
what does the agora tell us about the culture of athens?
Work out the number that is halfway between 27 times 38 and 33 times 38.Show your working out aswell.