3 years ago

Write the expression 18 - 27-9 in the form of a +bi.

Mathematics

1 answer:

My name is Ann [436]3 years ago

3 0

V(18-1811) también eres el mejor en la vida y tú me ganas de comer

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Using the 0,1,6,8, and 9, write down all the possible three-digit numbers that have rotational symmetry. the digits can be used

Hunter-Best [27]

Assuming 1 is written rotationally symmetrical, using 0,1,6,8,9 to make numbers that have a degree of symmetry of 2 (i.e. 180 degrees), we can say

one digit numbers: 0,1,8

two digit numbers: 11, 69, 96

(18 becomes 81, so not admissible, similarly for 19, 91,16,61, etc)

(00 is not considered generally as a two-digit number)

three digit numbers:

(000, 010, 080 are not considered generally as a three-digit number)

101, 609, 808, 906,

replace the middle digit successively by 1 and 8 gives

111, 619, 818, 916,

181, 689, 888, 986

for a total of 12 numbers

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2 years ago

PLEASE HELP!!!!!!!! IMAGE ATTACHED!!!!

erma4kov [3.2K]

Answer:

Step-by-step explanation:

4) (-2,3) ; (-1,-2)

$Slope = \frac{y_{2}-y_{1}}{x_{2}-x_{1}}\\\\=\frac{-2-3}{-1-[-2]}\\\\=\frac{-5}{-1+2}\\\\=\frac{-5}{1}\\\\=-5$

5) line is parallel to x-axis. So, slope= 0

6) (1,1) ; (-2, -1)

$Slope=\frac{-1-1}{-2-1}\\\\=\frac{-2}{-3}\\\\=\frac{2}{3}$

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3 years ago

If x > 1, then which of the following has the LEAST value?

jasenka [17]

What are the answers?

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A ruler is 12 inches long.what is the length of this ruler in centimeters

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I think it is 30.48 because i looked it up

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800/105= 7.6 which rounds to 8.

8x105= 840

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