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Vinvika [58]
3 years ago
12

James Had Answered 70% Out Of 10 Correct. How many Questions Did he Answered CORRECTLY.

Mathematics
2 answers:
zhannawk [14.2K]3 years ago
6 0
He answered 7 out of 10 correctly, because 7/10=0.7 or 70% c:
Oduvanchick [21]3 years ago
3 0
70 out of 100. That would be 7 correct.
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3 years ago
Evaluate the expression (-4+4i)(1+4i)(1+4i) and write the result in the form a+bi
allsm [11]

Answer:

Step-by-step explanation:

Since 2 of the 3 binomials are identical I would start the distribution there.

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I'm sure you have learned in class by now that i-squared is = to -1, so we can make that substitution:

1 + 8i + 16(-1) which simpifies to

1 + 8i - 16 which simplifies further to

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Again make the substitution of i-squared = -1:

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60 - 92i - 32 which simpifies, finally, to a solution of:

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8 0
3 years ago
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Vera_Pavlovna [14]
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