Answer:
The length of the remaining wire is 53.8 centimeters
Step-by-step explanation:
Let us solve the question
∵ Cory has 66.92 centimeters of wire
∵ He uses 2 pieces of the wire, each piece he uses is 6.58 cm long
→ Find the length of the two pieces he uses
∵ He uses = 2 × 6.58
∴ He uses = 13.16 cm
∴ The length of wire he uses is 13.16 cm
→ The length of the remaining = the total length - the length he uses
∵ The length of the remaining = 66.92 - 13.16
∴ The length of the remaining = 53.76 cm
→ Round it to the nearest tenth of a centimeter
∴ The length of the remaining = 53.8 centimeters
∴ The length of the remaining wire is 53.8 centimeters
|-9|, |-3.5|, |4.2| is the answer. row 3
Answer:
Step-by-step explanation:
We apply the formula .
Note that . Take and in the formula above to get
Then the value of this expression is
We can use the cosine addition formula again to simplify further. Decompose the fraction in the argument as:
Applying the formula with and we obtain
We conclude that this expression has the value
$79.69 is the answer
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