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Vaselesa [24]
3 years ago
10

I² = √-1 true or false the check mark is going over top of the one just saying

Mathematics
1 answer:
sergij07 [2.7K]3 years ago
4 0

False: the imaginary unit, i, is defined by the following property:

i^2 = -1

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What is the first step you should take to solve the following expression 2-16÷4×3(3+2)2+1
mestny [16]
The first step u should do is (3+2)
4 0
3 years ago
Your sock drawer has two white socks, four brown socks, and two black socks. You randomly pick a sock and put it on your left fo
zmey [24]

Answer:

The probability of this occurring is 1/7

Step-by-step explanation:

Okay, here is a probability question.

From the question, we can identify the following;

Total number of socks = 2 + 4 + 2 = 8 socks

Since we are not given the order in which the socks was worn, we can assume any order.

Let’s say the right leg socks was worn first.

From the question, the socks on the right leg is a brown one.

So now let’s calculate the probability of selecting a brown socks out of the mix

That would be ;

number of brown socks/ total number of socks = 4/8 = 1/2

Now, for the left foot, we are having white sock here.

Kindly recall that since we already have a sock on the right foot, we have 7 socks left to pick from.

Now we need the probability of picking a white sock from the total 7. That would be ; 2/7

So the probability of both action occurring is simply the product of both probabilities and that is ;

1/2 * 2/7 = 1/7

6 0
3 years ago
(9y® + 2)2 =<br> combine like terms
Vsevolod [243]

Answer:

81y^2+36y+4

Step-by-step explanation:

First: 9y^2= 81y

Next: 2^2= 4

Then: 9y times 2= 18

Last: 18 times 2= 36y

(this : ^2 means squared in case you did not know)

4 0
3 years ago
What is 1 plus 1 ??z.z.z.z.
Setler [38]

Answer:okkkkk

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Pleaseee helpp meeee
Marta_Voda [28]

Answer and Step-by-step explanation:

[] means to take the absolute version of the number. That means if the number is negative or positive, the outcome is always positive.

14.

-[3] = -3

15.

[5 + 9] = 14

16.

[17 - 8] = 9

#teamtrees #WAP (Water And Plant)

6 0
3 years ago
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