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guapka [62]
3 years ago
9

Simplify the expression. -4i(2+3i)

Mathematics
2 answers:
vovangra [49]3 years ago
8 0

Answer:

12−8i

Step-by-step explanation:

-(-4 *3+4*2i)

-4*3=12

4*2=8

=12-8i

oee [108]3 years ago
5 0

Answer:

-8i + 12

Step-by-step explanation:

-4i(2 + 3i) = -8i - 12i^{2} = -8i - 12 * (-1) = -8i + 12

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Answer:

0.22

Step-by-step explanation:

Let assume the number to be reduced be 100

Reducing it by 78% will be:

100 - ( 78% of 100 )

100 - (78/100)×100

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100 - 78 = 22

Since the answer is 22. Hence,

22/100 will be the multiplier

0.22 × 100 = 22

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Step-by-step explanation:

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Step-by-step explanation:

1.

4:15 p.m. to 5.00 p.m. → 45min

5:00 p.m. to 10:00 p.m. → 5h

Answer: 5h 45min

2.

3:45 a.m. to 4.00 a.m. → 15min

4.00 a.m. to 12:00 p.m. → 8h

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3.

1:15 p.m. to 2:00 p.m. → 45min

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4.

2:37 a.m. to 3:00 a.m. → 23min

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Answer: (23 + 15)min = 38min

5.

11:59 a.m. to 12:00 p.m. → 1min

12:00 p.m. to 1:00 p.m. → 1h

1:00 p.m. to 1:01 p.m. → 1min

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3 years ago
Can someone help me with a paragraph about geometric shapes​
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Answer:

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navik [9.2K]
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klasskru [66]

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