danak2008 danak2008
  • 19-06-2021
  • Mathematics
contestada

Cory has received the following grades this term: 75, 87, 90, 88, 79. If he wishes to earn an 85 average, what must he score on his final test?

Respuesta :

Аноним Аноним
  • 19-06-2021

Answer:

A 91.

Step-by-step explanation:

[tex]\frac{75+87+90+88+79+x}{6}=85\\\\\frac{419+x}{6}=85\\\\(\frac{419+x}{6})6=85*6\\\\419 + x = 510\\\\419-419+x=510-419\\\\\boxed{x = 91}[/tex]

Answer Link

Otras preguntas

which phrase is description of 2m+7
history question down below
Explain why it is not necessary to use excess alcohol in the reaction of an acyl chloride with an alcohol.
The perimeter of a rectangular garden is 266 feet. If the width of the garden is 52 feet, what is its length?
What is the meaning of PEMDAS
Thawing raw chicken breasts in a pan on a prep table is an example of
A driver can be doubly impaired if they are under the influence and ___________ a. unaware of traffic around them. b. refuse to adapt their driving behavior to
Brett has an intense, irrational fear of needles and other sharp objects. brett might be diagnosed with
Graph g(x)=-5|x+2|+2
Children with childhood disabilities such as autism and adhd; children with the cumulative lifestyle factors that lead to obesity, diabetes, heart disease, and