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siniylev [52]
3 years ago
7

Enrollment in mathematics courses

Mathematics
1 answer:
sesenic [268]3 years ago
3 0

Answer:

25%

Step-by-step explanation:

1925 - 1440 = 485

X/100 = 485/1925 (what percent is 485 of 1925) (%/100=is/of)

(485 x 100) / 1925 (cross multiply)

48500/1925 = 25%

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(2+3i)+(-4+i) left-parenthesis 2 plus 3 i right-parenthesis plus left-parenthesis negative 4 plus i right-parenthesis
Triss [41]

Answer:

-2 + 4i

Step-by-step explanation:

1) remove unnecessary parentheses:

2 + 3i + (-4 + i)

2) calculate difference:

-4 + 2 = -2

-2 + 3i + i

3) collect like terms:

For our answer: -2 + 4i

There ya go, hope I helped good luck!

4 0
3 years ago
If 40% of a number is 20, what is the number?
Dmitry [639]

Answer:

50

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

26.15-15=11.15

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tap the link in the comments to get your answer

Step-by-step explanation:

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How can you use equations to solve problems involving area and volume?
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