Answer:
72.5
122
Step-by-step explanation:
Half-life for McGill-23 is 145 years. What is the k value?
half of 145 = 72.5
145 - 23 = 122
Hope I did the right thing
Hope this helps ❤️
Step 1: Add 9 to both sides.<span><span><span><span><span>−<span>4x</span></span>+<span>9y</span></span>−9</span>+9</span>=<span>0+9</span></span><span><span><span>−<span>4x</span></span>+<span>9y</span></span>=9</span>Step 2: Add -9y to both sides.<span><span><span><span>−<span>4x</span></span>+<span>9y</span></span>+<span>−<span>9y</span></span></span>=<span>9+<span>−<span>9y</span></span></span></span><span><span>−<span>4x</span></span>=<span><span>−<span>9y</span></span>+9</span></span>Step 3: Divide both sides by -4.<span><span><span>−<span>4x</span></span><span>−4</span></span>=<span><span><span>−<span>9y</span></span>+9</span><span>−4</span></span></span><span>x=<span><span><span>94</span>y</span>+<span><span>−9</span>4</span></span></span>Answer:<span>x=<span><span><span>94</span>y</span>+<span><span>−9</span><span>4</span></span></span></span>
Answer:
The area of the triangle is 
square units
Step-by-step explanation:
Given
Shape: Triangle
Required
The area of the triangle
The area of a triangle is calculated as thus;
By substituting and ; This gives
Open Bracket
Hence, the area of the triangle is square units
It is a function.
The x values do not repeat.
