21÷(2+1)5-2²
21÷10+5-4
21÷15-4
21÷11
21/11
1whole10divided by 11
Answer:
B) false D) true E) true
Step-by-step explanation:
Plug in numbers to disprove the first one.
Area formula for triangles says D is true
It's the Pythagorean's Theorem for Heaven's sakes.
Answer:
5 7/18 ounces
Step-by-step explanation:
(8-3)+(2/4-1/9)
5+7/18
Answer:
6.7
Step-by-step explanation:
Given is a right angled triangle.
So by Pythagoras theorem:
Length of the third side

<span>STP
signifies standard temperature and pressure. This conditions are at 1
atmospheric pressure and 0 degrees Celsius. It has been said that at these
conditions, one mole of a gas molecule is equivalent to 22.4 liters of volume.
1.50 mol Cl2 ( 22.4 L / mol ) = 33.6 L Cl2 </span>