Katiekat321 Katiekat321

14-01-2017
Mathematics

contestada

Yoko has scored 81 , 84 , 84 , 69 , and 76 on her previous five tests. What score does she need on her next test so that her average (mean) is 81 ?

Respuesta :

14-01-2017

Took must make a 92 on the next test.
(81+84+84+69+76+x)/6=81
(394+x)/6=81
Multiply by 6 on both sides
394 + x = 486
Subtract 394 from both sides.
x= 92

Answer Link

Otras preguntas

Which of the following U.S. Policies was an element of the shift toward détente in American foreign policy during the Cold War? A. Increasing troop levels durin

Solve V^2=25, where v is a real number. Simplify your answer as much as possible

given cos =-3/4 and angle is in quadrant II, what is the exact value of sin in simplest form

what are the advantages of nationalism

Part 31. Draw rough sketches to represent the following functions:2.FunctionNature of the rootsRough sketch(from part 2above)y = 12x2 + 5x - 2(2)unequalratio no

religion conflict happening in South Africa

Find the measure of the indicated angles below.Drag the points to show the measure of the four anglesAnswer Plzz

Division of Powers Powers Reserved Powers Concurrent Powers Coin money Provide education Create taxes Create cities and towns Enforce laws Provide Armed Forces

question 4 pleaseeee

what are the functions of file