Answer:
C) 50
Step-by-step explanation:
This is because -10 x 5 = -50 and if you have 20 points to start with, you just do 20-(-30)=20 and two minuses make a plus so it is 20 + 30 which is 50.
Answer:
B
Step-by-step explanation:
Starting with 7,000, after 0 years there will be no increase so you still have 7,000.
The fist year you increase by 5% of 7,000.
.05x7000=350
You have a 350 increase, add that to the original 7000 to find the actual population after 1 year (domain value 1).
After 1 year: 7350
For year 2 there is an increase of 5% again, only this time we find 5% of 7350 since that was the previous years population.
.05x7350=368
Add that to previous population.
368+7350=7718
At this point so far the yearly populations have been (7000, 7350, 7718)
Answer choice B is the only one to have this progression.
Answer:
All statements are true
Step-by-step explanation:
1. The statement 
is true, because 
is the sum of first 499 terms, 
is the sum of first 500 terms, and all these terms are positive, then the sum of smaller number of terms is less than the sum of larger number of terms.
2. The statement 
is true, because is the sum of first 500 terms, 
is 500th term and the sum of 500 terms is greater than the 500th term.
3. The statement 
is true, because 
is the sum of first 1 term that is exactly 
All statements are true.
Multiplying a negative number and another negative number makes the product positive.
So (-2.1)*(-1.4) = 2.94
