jamesegrant14 jamesegrant14

30-03-2020
Mathematics

contestada

John knows that his first 4 tests grades were 84, 79, 82, and 88. Find John's grade on the test if his average was 83.8.

Respuesta :

MathPhys MathPhys

30-03-2020

Answer:

86

Step-by-step explanation:

The average is the sum of all the grades divided by the number of tests.

83.8 = (84 + 79 + 82 + 88 + x) / 5

419 = 333 + x

x = 86

Answer Link

Otras preguntas

(17 - 2 ) + 15 ÷ 5(10 + 4 ) x 8 + 2 5 x 3 x (10 - 3) *(14 +26 ) ÷ ( 1 + 7 ) *(13 +40 - 5 ) ÷ 6 *22 + (8 x 4) ÷ 2 *18 ÷ 6 + 9 ÷ 3 *12 - 4 + 5 x 15 *PLEASE HELP A

HELP PLEASE ITS LATE

A regular pentagon has an apothem measuring 3 cm and a perimeter of 21.8 cm. A regular pentagon has an apothem with a length of 3 centimeters and a perimeter of

10 = 2 x 5 Expression or equation?

What is the maximum recommended slope for straight-run stair? A) 7-1/2" riser, 10" tread B) 7' riser, 10" tread C) 7-3/4" riser, 10-1/2" tread D) 10" riser, 7-

What number goes in the to make this number sentence true? 6x (19+17) =6 X _ A. 36 B.26 C. 12 D.2

The male reproductive system has the job of producing viable sperm for fertilizing a female ovum. For the sperm to survive the parts of the system must work pro

Which type of colonial management method, direct or indirect control, followed the theory of Social Darwinism more closely? How?

X knows that Y has offered to sell wheat to Z at a certain price per bushel. Hoping to get Z for a customer, X offers Z wheat at $.50 less a bushel than Y offer

Assume voters pay nearly double the world price for a good because of a government-imposed quota. This premium equates to about $16 per person annually. However