Answer:
42°
Step-by-step explanation:
3x + 54° = 180° [Supplementary angles]
=> 3x = 180 - 54
=> 3x = 126

=> <u>x = 42</u><u>°</u><u> </u><u>(Ans)</u>
Answer:
2896.34 cubi centimetres
Step-by-step explanation:
The x coordinate stays the same but y coordinate changes sign so it will be a reflection in the x-axis.
5x ÷ x² - 9 + 7 ÷ x + 3
Write the division as a fraction:
- 9 +
+ 3
Simplify the expression:
- 9 +
+ 3
Calculate the sum:
- 6 + 
Write all numerators above the common denominator:

Add the numbers and you get the final answer:
