Renee1996 Renee1996

19-05-2016
Mathematics

contestada

Cory’s average score after 8 tests is 91%. If he gets a 78% on his 9th test what will his new average be?

Respuesta :

sofiemolofie sofiemolofie

19-05-2016

add all the scores together and the divided by the number of scores there are

8 tests will be 8x91 = 728

Then add on his latest test result 728+78 = 806

Now divide by the number of tests (9) 806/9 = 89.55555555
89.555%

Answer Link

Otras preguntas

What is the difference between any 2 consecutive multiples of 113?

help help math math ASAP

Numbers that describe diversity in a distribution are referred to as measures of.

which three organs help a plant carry out photosyntesis

During the first televised presidential debate in 1960, Richard Nixon: A. talked about his dog Checkers. B. was declared the winner Ο Ο Ο Ο C. announced his res

What’s the correct answer

Was this feature caused by weathering or erosion? Explain why.

How does Dr. Pickhardt's advice for parents change as teenagers progress through the later stages of rebellion?.

Why was the Tet Offensive considered a strategic victory for the communists? A. It lowered the American morale and acceptance of the war. B. It forced Johnson t

By calculating delta S at each temperature, Determine if the melting of 1 mole of NaCl is spontaneous at 500 and 700 degrees Celsius.