The mean is 12
explanation: you add all of the numbers and then divide it by the amount of number u have
Multiply -3.3 8 times, and the answer is 26.4
Answer:
9 tables
Step-by-step explanation:
First, subtract the remainder from the original:
Now, we know that she places 8 spoons per table, so let's divide the number of spoons by 8 to find the number of tables:
There are 9 tables at the retirement party.
-Chetan K
Answer:
Step-by-step explanation:
a) 4x² + 20 = 0
4x² = -20
x² = -20/4
x² = -5 = i² *5
x = √i²5
x = i√5
b) 4x² + 5 = -7
4x² = -7 - 5
4x² = - 12
x² = -12/4
x² = -3 = 3i²
x = i√3
c) x² + 4x + 20 = 0
a = 1 ; b =4 ; c =20
= (-2 +4i) & -12/2
= (-2 + 4i) and (-6)
Basically its 250 + 16x = 210 + 18x where x = the number of hours doing the job.
Solving, we get 40 = 2x, x =20
The jobs has to be 20 hours long in order for their two painting jobs to be equally priced.
Hope this helped!
