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

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

This Roman leader was assassinated in 46 b. c. A.Julius Caesar B.Caesar Augustus C.Crassus D.Marc Anthony

n contrast to ectotherms, endotherms A. are more efficient in warm environments. B. need less to eat. C. create and conserve body heat better.

Briefly describe the relationship between the American colonies before the Revolutionary War.

Which person is most likely to be infected when exposed to food borne pathogens?

what is the next value 4 d 7 g 10 j 13

luis was served 145 grams of meat and 217 grams of vegetables at a meal. what was the total mass of meat and the vegetables?

does the order of quantities in an inequality matter?

Apa yang dimaksud dengan ultrasi

Explain how a number line can be used to find the difference for 34-28?

Which describe political, social, or cultural changes that took place in Rome during the early empire? Choose all answers that are correct. a. new buildings and