Answer:
x > − 7
Step-by-step explanation:
hope this helps
1 Calcium ion / formula unit times 0.5 moles CaCl2 x 6.02 x 10^23 =
<span>3.01 x 10^23 Calcium ions.</span>
Answer:
76
Step-by-step explanation:
4(-4(-9)-17)
4(36-17)
4(19)
Answer:
10,000 m/square
Step-by-step explanation:
we know that
A hectare is a unit of area equal to 
The symbol is Ha
<em><u>Verify each case</u></em>
case 1) 10,000 m/square
The option is true
case 2) 100 m/square
The option is false
case 3) 100,000 m/square
The option is false
Answer:
A = 20.25π sq meters
Step-by-step explanation:
C = 2πr
9π = 2πr
divide π from each side to get:
9 = 2r
r = 9/2 or 4 1/2
A = πr²
A = π (4.5²)
A = 20.25π