Which property or properties of arithmetic do you use when you calculate 3×70 by first calculating 3×7 = 21 and then putting a z
1 answer:
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This is the answer ndjsh
Answer:
26.5 units²
Step-by-step explanation:
I am splitting the figure into a rectangle and two triangles to make this easier for me.
The rectangle is b•h so 5•4 = 20 units²
Area of triangle=1/2bh
The left triangle is (3•3) --->
(9) ---> 4.5 units²
The right triangle is (2•2) --->
(4) ---> 2 units²
Then add it all up: 20+4.5+2 = <u>26.5</u><u> </u><u>units²</u>
We assume you intend
You want to evaluate this function for h=0 and h=8.
The amount injected was 35 milligrams; 8 hours later 10.54 milligrams remained.