Fofy1013
Fofy1013 Fofy1013
  • 17-05-2017
  • Mathematics
contestada

I need help on 5 please help fast

I need help on 5 please help fast class=

Respuesta :

Cheetah0710 Cheetah0710
  • 17-05-2017
 the correct answer is 83.

yyyyyeeeeeeaaaahhhhhh bbbbooooiii
Answer Link
hollymoppelt
hollymoppelt hollymoppelt
  • 17-05-2017
the equation you would use is 
mean= Test1+test2+test3+test4+test5+Test6+x/Total number of tests

so 83=89+78+69+81+89+90+X/7
First mutiple both sides by 7 so 
581=496+X
you then substract the 496 and get 85
so she would need a 85 on the 7th test
Answer Link

Otras preguntas

predict how two differenet herbivores can share the same plant resource
if  sin (α+β) = 1,  sin (α-β) = 1/2 then tan (α+2β) tan(2α+β) = a. 1          b.-1            c.0              d. none
How did the proclamation line help to push the colonies toward war with Britain?
How do you solve 4x-7=2x+15
Pedro is building a spice rack with 4 shelves that are each 0.55 meter long. At the hardware store, Pedro finds he can only buy the shelving in whole meter leng
Six years ago Anita was P times as old as Ben was. If Anita is now 17 years old, how old is Ben now in terms of P ?
Write a quadratic function in standard form with zeros 9 and -4
An analogy from civil disobedience
predict how two differenet herbivores can share the same plant resource
What are the half equations that exist in thus reaction: 4Na + O2 --->2Na2O .