nikkidHunter nikkidHunter
  • 04-01-2017
  • Mathematics
contestada

GONNA UPVOTE
A class of 18 students took a math test. Seven students had an average of 90. The other students had an average of 82.

What is the average for the whole class? Round to the nearest whole percent.
A) 80
B) 83
C) 85
D) 87

Respuesta :

LammettHash
LammettHash LammettHash
  • 04-01-2017
[tex]\dfrac{7\times90+11\times82}{18}\approx85.1[/tex]
Answer Link

Otras preguntas

-3[(-7)²-16]+4÷[tex]\frac{2}{5}[/tex]
If you walk for 1 1 / 2 hours at an average speed of 4 miles/h. How far will youhave walked?Speed = distance ÷ timeDistance = Speed × TimeDistance = 4 × 1.5 = 6
What point of view is this story told from?
Someone please help it’s a test and I wanna pass I give brainliest
The process of democratization over the last 200 years has resulted in wider support for the idea that…
What is the solution to the system of equations graphed below? y = x. 3 y=3x+1 y = x+3 y = 3x + 1 A. (0,1) B. (1.4) C. (1,3) D. (0,3) Help pls
Factor: (please tell me steps) 9x^(4)+21x^(3)-9x^(2)-21x
ANSWERS ASAP PLSSSJDHDJS
Identify the steps needed to evaluate the expression below. 8×1+(8+9)−38÷2×5
Which best describes the behavior of the function f(x)=23x−2?