lore2010acst lore2010acst
  • 12-05-2018
  • Mathematics
contestada

a student has test scores of 92%, 87%, and 78%. what must she need to score on thenlast test to maintain 80% or better?

Respuesta :

sarkhan2018
sarkhan2018 sarkhan2018
  • 17-05-2018
We'll solve this equation in order to find the score of the 4th test, which we denote with x. [tex] \frac{92+87+78+x}{4}=80 [/tex]. Solving it we find that x=63. And it is the final answer for this problem.
Answer Link

Otras preguntas

Can you add more points to question pls
28 POINTS!!! WORD BANK: adaptation, biologist, control group, experimental group, law of conservation of energy, speciation, theory A(n) _________ has been we
-2x+28=-7(x-9) simplify your answer
Read the article titled "Benefits of Dams." What are the economic, environmental, andRead the article titled "Benefits of Dams." What are the economic, environm
what is this?[tex] {x}^{2} + 4x - 12[/tex]
Domain and range of f(x)=7x^2-2
Use the drop down menus to describe the relationship between the number of teaspoons and number of tablespoon
Tom and his 4 brothers caught 100 fish on a weeklong fishing trip. The total weight of the fish was 635 pounds. What was the average weight of 1 fish? Pls send
HELP ASAP!!!! WILL MARK BRAINLIEST AND GIVE 50 POINTS!!! Read the article analyze the author's claims or arguments. Then, write a short paragraph evaluating th
if two vehicles approached an uncontrolled intersection at the about the same time who must yield