Hello Aboswell05, Let's solve for d.<span><span><span> 12y</span>+d</span>=<span><span>−<span>19y</span></span>+t</span></span> Step 1: Add -12y to both sides.<span><span /></span><span><span><span> d+<span>12y</span></span>+<span>−<span>12y</span></span></span>=<span><span>t−<span>19y</span></span>+<span>−<span>12y</span></span></span></span><span /><span> d=<span>t−<span>31y</span></span></span>Answer:<span> d=<span>t−<span>31y. if this is not the answer correct me and ill redo the question.
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Answer:
A ≈ 2 ft²
Step-by-step explanation:
The area (A) of a triangle using Heron's formula is
A = 
where s is the semiperimeter and a, b , c the sides of the triangle.
s =
=
=
= 4.5
Then
A = 
= 
= 
≈ 1.9843...
= 2 ft² ( to the nearest square foot )
Answer:

.
Step-by-step explanation:

.

