Well 43 ones times 3 tens is basically 43 times 30 which is 1,290
then divide that by ten to get how many tens and you will get 129 tens
hope this helps
Answer:

--- Percentage increase
Step-by-step explanation:
Given
Let


So, we have:
--- Monday
--- One month later
Required
The function
The function is represented as:

In
, we have:


Rewrite as:

In
, we have:


Substitute 

Solve for b


Recall that:

Hence, the function is:

To get the monthly percentage increase (r), we have:

Compare to: 
So:

Make r the subject



Express as percentage


B; make sure to make the denominators equal before adding
Answer:
w² - 2w + 4
Step-by-step explanation:
(w² - 4w + 14) - (2w + 10) = w² - 2w + 4
Answer:
(√3)/2 -1 ≈ -0.133974596
Step-by-step explanation:
2sin²(30°)tan(60°) -3cos²(60°)sec²(30°)
= 2(1/2)²(√3) -3(1/2)²(2/√3)²
= 2(1/4)√3 -3(1/4)(4/3)
= (√3)/2 -1 ≈ -0.133974596