Find the approximate value of a.
4.69 in.
5.09 in.
11.05 in.
12 in
30.71 in.
1 answer:
Answer:
4.69 inches
Step-by-step explanation:
sin = opposite/hypotenuse
sin 23 = a/12
To solve for a, multiply both side by 12, so a is by itself.
12 · sin23 = a/12 · 12
12 · sin23 = a
use your calculator to find the sin of 23, which is approximately 0.390731128
Multiply by 12
0.390731128 * 12 = 4.688
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65
Step-by-step explanation:
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Answer:
[8 -6 2 -4].
Step-by-step explanation:
[4 -4 0 0]+[4 -2 2 -4]
= [4+4 -4+-2 0+2 0+-4]
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