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3 years ago

What is the square root of -1

Mathematics

1 answer:

aalyn [17]3 years ago

7 0

Answer:

"i". There's no more than that. Its just "i".

Step-by-step explanation:

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If a line segment contains one endpoint at (2,3) and has a midpoint of (-2,6) what is the second endpoint of the line segment

olchik [2.2K]

Answer:

Step-by-step explanation:

The coordinates of the midpoint M are the average of the coordinates of the two endpoints:

$M_x = \dfrac{2+x}{2},\quad M_y = \dfrac{3+y}{2}$

Plug the known coordinates of the midpoint:

$-2 = \dfrac{2+x}{2},\quad 6 = \dfrac{3+y}{2}$

Solve for x and y:

$-4 = 2+x,\quad 12 = 3+y$

$x=-6,\quad y = 9$

4 0

3 years ago

8(x+6)-3x=18 please help

alisha [4.7K]

$8(x+6)-3x=18\\
8x+48-3x=18\\
5x=-30\\
x=-6$

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3 years ago

Read 2 more answers

Please help me asap.

KonstantinChe [14]

Answer:

Step-by-step explanation:

You can tell that the angles and length of the triangles are equal from the marks. For example, angle J has 2 lines on its angle so i looked for the other angle with 2 lines on it which happens to be angle S.

Comment if u dont understand

3 0

2 years ago

In a game of poker a hand of five cards is dealt to each player from a deck of 52 cards. find the probablility of a hand contain

aalyn [17]

Answer:

0.00597

Step-by-step explanation:

Given,

Total number of cards = 52,

In which flush cards = 20,

Also, the number of spade flush cards = 5,

Since,

$\text{Probability}=\frac{\text{Favourable outcomes}}{\text{Total outcomes}}$

Thus, the probability of a hand containing a spade flush, if each player has 5 cards

$=\frac{\text{Ways of selecting a spade flush card}}{\text{Total ways of selecting five cards}}$

$=\frac{^{20}C_5}{^{52}C_5}$

$=\frac{\frac{20!}{5!15!}}{\frac{52!}{5!47!}}$

$=\frac{15504}{2598960}$

= 0.00597

7 0

3 years ago

This is a problem I really need help on please help so I actually have two lol put please help with 7 and 8

grigory [225]

Answer:

f(n) = 80*3^n

f(n) = 4 * 3^(n - 1)

7 0

3 years ago

What is the square root of -1​

What is the square root of -1