Answer:
<h2>6x² - 14x - 4</h2>
Step-by-step explanation:
A =3x² + 4x + 1
B = 5x² - 3x + 8
C = 4x² - 7x - 3
B + C –A is
5x² - 3x + 8 + 4x² - 7x - 3 - ( 3x² + 4x + 1)
Expand and simplify
We have
5x² - 3x + 8 + 4x² - 7x - 3 - 3x² - 4x -1
Group like terms
5x² + 4x² - 3x² - 3x - 7x - 4x + 8 - 3 - 1
We have the final answer as
<h3>6x² - 14x - 4</h3>
Hope this helps you
Answer:
-13.315° F
Step-by-step explanation:
Number of years from 2019 to 2050 is 2050 - 2019 = 31 years
Increase in temperature per year = 0.135
Increase in temperature for 31 years = 0.135*31 = 4.185
Average temperature in 2050 = -17.5 + 4.185 = -13.315° F
Answer:
Perimeter = 120 m
Step-by-step explanation:
Perimeter = (24+36)*2 = 120 m
Answer:
∠ A ≈ 16.67°
Step-by-step explanation:
Using the Sine rule in Δ ABC
= 
, substitute values
= 
( cross- multiply )
16 sinA = 8 sin35° ( divide both sides by 16 )
sin A = 
, thus
∠ A = 
( ) ≈ 16.67° ( to 2 dec. places )
For this case we have the following functions:
We must find
By definition of operations with functions we have:
So:
Answer:
Option A
