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4 years ago

15

What is the square root of -1?

1 answer:

suter [353]4 years ago

6 0

Answer:

i

Step-by-step explanation:

Why is i the square root of negative one?

The term "imaginary" is used because there is no real number having a negative square. There are two complex square roots of −1, namely i and −i, just as there are two complex square roots of every real number other than zero, which has one double square root.

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Erika collects sports cards. The graph shows how many sports

Lilit [14]

Answer:

A

if you match the ordered pairs with the info on the table it tells you the answer

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3 years ago

Kruka [31]

Formula for permutation is:

$\boxed{ \tt^{n} C_{r} = \frac{n!}{r!(n - r)!} }$

<h3><u>Calculation</u>, </h3>

Plug in the values:

Required number of ways = ²C7

n = 7
r = 5

$\sf \frac{7!}{5!(7 - 5)!}$

$\sf \frac{7 \times 6 \times \cancel{5!}}{ \cancel{5! }\times 2!}$

$\sf \frac{7 \times 6 }{ 2!}$

$\sf \frac{42 }{ 2!}$

$\sf \frac{42 }{ 2} = 21$

<em>Thus, </em><em>The</em><em> </em><em>players</em><em> </em><em>can</em><em> </em><em>be</em><em> </em><em>selected</em><em> </em><em>in</em><em> </em><em>21</em><em> </em><em>different</em><em> </em><em>ways</em><em>!</em><em>!</em><em>~</em>

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2 years ago

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What is the exact volume of the sphere?

Firlakuza [10]

The correct answer is C.

5 0

3 years ago

(Someone deleted this question) HIgh points

vlabodo [156]

<em>Hello ~</em>

<em />

My name is Irxdscent, and I will be answering your question today! :D

<h2> → <u>Answer :-</u></h2>

<u />

The expressions are not equivalent even though Ella got the same result when she substituted zero for f.

<h2>→ <u>Explanation :-</u></h2>

$\sf{When \: zero:}$ $\sf{2f \: + \: 2.6 = 3f \: + 3.6}$

$\sf{the \: rest \: is \: equal}$

$\sf{but \: when \: one: \: 2 \: + \: 2.6}$ $\sf{\: 3 \: + \: 3.6}$

$\sf{4.5 \: + \: 5.6}$

$\sf{is \: not \: equal}$

$\sf{such \: as \: 2, \: 3, \: 4, \: 5...}$

$\sf{is \: not \: equal}$

$\sf{The \: expression \: is \: not \: equal}$

$\sf{but \: when \: 0, \: the \: result}$

$\sf{is \: equal}$

Hope It Helps! ~

<em>~ Learn With Lrxdscent ~</em>

<em />

<em /> $\underline{Answer :}$

ɪ ʀ x ᴅ ꜱ ᴄ ᴇ ɴ ᴛ

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2 years ago

Find the slope m of a line perpendicular to a line with known slope −6.

Ipatiy [6.2K]

Answer:

1/6

Step-by-step explanation:

Perpendicular lines have slopes whose product is -1. That is ...

-6m = -1

m = 1/6 . . . . . divide by -6

7 0

4 years ago

Read 2 more answers