Answer:
69.53
Step-by-step explanation:
I did it on my calculator.
Perfect Square: A number made by squaring a whole number.
Whole number: Positive numbers, including zero, without any decimal or fractional parts.
11 ^ 2 = 11 × 11
11 × 11 = 121
Answer:
-3x^2+13x-5
Step-by-step explanation:
you're basically just combining the like terms
3x^2+<u>7x</u>-4-6x^2+<u>6x</u>-1
-3x^2=13x<u>-4-1</u>
-3x^2+13x-5
Answer:
68+97i
Step-by-step explanation:
work shown and pictured
Firstly, the height increased.
Before restoration the height was 56.84*cos(5.5°).
After restoration : <span>56.84*cos(3.99°).
The difference is :
</span>56.84*cos(3.99°)-56.84*cos(5.5°)=56.84(cos(3.99°)-cos(5.5°))=56.84*0.0022=0.1239≈0.124 - the answer
