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gogolik [260]
3 years ago
9

Which of the following is equivalent to the expression below?

Mathematics
1 answer:
vladimir1956 [14]3 years ago
5 0

Answer:

2i√5

Step-by-step explanation:

√-20 = √-1 × √20

√-1 = i

√20 = 2√5

i × 2√5 = 2i√5

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natka813 [3]

15 • 2 = 30

15 • 0.5 = 7.5

15 • 0.25 = 3.75

15 • 2.25 = 33.75


8 0
3 years ago
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olchik [2.2K]

Answer:

n

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
What is the area of the composite shape
FrozenT [24]

Answer:

Step-by-step explanation:

The shape can be divided into two parts, let use the division in the question

So we have two rectangles

The area of a rectangle is given by l×b.

Let the big rectangle be 1

And the smaller rectangle be 2

Rectangle 1

Length is 16cm, breadth is 6cm

Area=l ×b

Area=16×6

Area=96cm^2

Rectangle two

The length will be 14-6=8cm

And the breadth will be 16-2=14cm

Then,

Area=l ×b

Area=14×8

Area=112cm^2

Total area is

Area1+Area2

112+96

Total area=208cm^2.

5 0
3 years ago
You draw 2 cards from a deck. What’s the probability that one is red and the other is black
Andreyy89

Answer:

26/52 50%

Step-by-step explanation:

52 cards in a deck, 26 are black and 26 are white.

6 0
3 years ago
cody is reading a 520-page book this summer. he read 1\5 of the pages on sunday. he read 1\2 of the pages on tuesday. he read th
kirill115 [55]
Assume that on Tuesday he read 1/2 pages out of 520 pages not what's left of the book minus 1/5 of the pages that he read on Sunday.
Cody read 260 pages on Saturday.
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4 years ago
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