A triangular pyramid and its net are shown. Rain uses Calculations below to conclude that the surface area of a triangular pyram
id is 238.5 sq inches. Is rain correct? Use the drop down menus to explain your reasoning.
1 answer:
Answer:
Rain is correct, calculates correctly, 238.5 square inches
Step-by-step explanation:
The given triangular pyramid is shown with the dimensions.
The surface area of the triangular pyramid is given by :





Therefore, the surface area of the triangular pyramid is = 238.5 square inches.
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Answer:
i think the first one not 100% though
Add 4 to both sides
-10 + 4 = 2a
Simplify -10 + 4 to -6
-6 = 2a
Divide both sides by 2
-6/2 = a
Simplify 6/2 to 3
-3 = a
Switch sides
<u>a = -3</u>
Answer:
The sample proportion from the sample of 900 is more likely to be close to the true population proportion, p.
Step-by-step explanation:
for the first one
You could put,
19
+ 6
———
25
Then write,
19+6=25