help asap Store C is offering a backpack Karen wants for 30% off their regular price of $45. Store D offers the same backpack at
1 answer:
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Answer:
85.6 cm^2
Step-by-step explanation:
The area of the central triangle bounded by each of the sides can be computed as ...
A = (1/2)r²sin(α) . . . . where α is the central angle, 360°/5 = 72°
There are 5 such triangles, so the area of the pentagon is ...
A = (5/2)(6 cm)²sin(72°) ≈ 85.595 cm²
The area of the regular pentagon of radius 6 cm is about 85.6 cm².
<u>ANSWER</u>
Commutative property of addition.
<u>EXPLANATION</u>
Let a,b be real numbers. The commutative property of addition states that,
If we let a=-10 and b=6, then
Therefore the given expression demonstrates the commutative property of addition.
The commutative property of addition tells us that, the order in which we add two real numbers does not affect the result.
