Answer:
-4
Step-by-step explanation:
negative plus a negative means add
You add the number then keep the negative sign
They are both equivalent to 1, so they are equal.
Answer:
The number of employees in 8 years is 442
Step-by-step explanation:
Given:
Decreasing rate = 7%
Current number of employees = 790
To Find:
The number of employees after 8 years is this same rate continues =?
Solution:
Let the number of employees after 8 years be x
The current number of employees is:
---------------------------------(1)
since the decrase rate is 7% we use 0.07
So after 8 years , eq (1) can be rewritten as



x= 442.005
x= 442 (approx)
Mariella typed more words per minute.
The second attachment I solved in your another question.You may refer to that.
#1
Apply Pythagorean theorem
x²=10²-6²