I need help solving this step by step. Work would be nice so I can look and understand it so I can try a different problem.

Mathematics

1 answer:

zimovet [89]3 years ago

3 0

Answer:

I need points, sorry, i cant help

Step-by-step explanation:

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The inhabitants of the island of jumble use the standard kobish alphabet ($20$ letters, a through t). each word in their languag

rjkz [21]

We know that

1. The number of all 4-letter words written using the alphabet of 20 symbols (from A to T) is
20^4=160,000

2. The number of all 4-letter words written using the alphabet of 19 symbols (from B to T) is
19^4=130,321

3. The difference represents exactly the number of all words of the inhabitants of the island of Jumble
difference=(160,000-130,321)= 29679.

the answer is
29679

7 0

3 years ago

What is 321 rounded to the nearest 10

shtirl [24]

It would be 330 if rounded to the nearest 10th place

6 0

3 years ago

{(-5,9),(2, 31), (9, 143), (11, 151),(0, 42),(5, 97)}

wlad13 [49]

The number 7 is the best prediction of the output when the input is 13.

<h3>What is the equation of a line passing through two given points in 2 dimensional plane?</h3>

Suppose the given points are (x_1, y_1) and (x_2, y_2), then the equation of the straight line joining both two points is given by

$(y - y_1) = \dfrac{y_2 - y_1}{x_2 - x_1} (x -x_1)$

The equation of the line is found as;

$\rm y-y_1= \frac{y_2-y_1}{x_2-x_1} \\\\ \rm y-9= \frac{31-9}{2+5} (x+5)\\\\ 7y-63 = \frac{31-9}{2+5} (c+5)\\\\ 7y-63=22x+110\\\\ 7y= 22x+173 \\\\ but ,x=13\\\\ 7y=22 \times 13 +173\\\\ y= \frac{1259}{7} \\\\ y= 179$