Answer:
The answer is 60 degrees
Step-by-step explanation:
x+20 = 80 (alternate angle)
x=60
Answer:
154+46×9 is the write answer
Use distributive property to solve.
2x(5x+3) + 7(5x+3)
1. distribute
2x•5x = 10x^2
2x•3= 6x
10x^2+6x
7•5x = 35x
7•3= 21
35x+21
2. combine like terms
10x^2+6x+35x+21
10x^+ 41x +21 [final answer]
Answer:
3 girls for every 4 boys
Step-by-step explanation:
Number of girls = 12
Number of boys = 28 - 12 = 16
The ratio of girls / boys = 12/16 = 3/4
Answer:
One mole of lithium (Li) is equal to 6.022 X 1023 atoms of lithium.
