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3 years ago

Please help and explain

Mathematics

1 answer:

Sonja [21]3 years ago

3 0

Find out how much over the 10 years whatever it says and then use that to explain if it's worth is

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Why is 12 * 10-8 is NOT a correct representation of scientific notation?

sattari [20]

Answer:

see below

Step-by-step explanation:

Scientific notation is a * 10 ^b

a must be a number between 1 ( including 1 ) and less than 10

12 is greater than 10 so it is not scientific notation

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3 years ago

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Fantom [35]

Answer:

Step-by-step explanation:

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3 years ago

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What is the slope of a line perpendicular to the line with equation 2x+3y=9

zheka24 [161]

Answer:

<h2> $slope = \frac{3}{2} \\$ </h2>

Step-by-step explanation:

Equation of a line is y = mx + c

where

m is the slope

c is the y intercept

To find the slope of the perpendicular line we must first find the slope of the original line

The original line is

2x + 3y = 9

3y = - 2x + 9

$y = - \frac{2}{3} x + \frac{9}{ 3} \\ \\ y = - \frac{2}{3} x + 3$

Since the lines are perpendicular to each other the slope of the perpendicular line is the negative inverse of the original line

So the slope of the perpendicular line is

$slope = \frac{3}{2} \\$

Hope this helps you

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3 years ago

For a game, three people are chosen in the first round. Each of those people chooses 3 people in the second round, and so on. Ho

vodka [1.7K]

18 because, 3 in the first round, 6 in the second round, 9 in the third round, 12 in the fourth round, 15 in the fifth round, and 18 on the sixth round.

Hope this helps you :)

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2 years ago

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HELP 5 MINS FOR QUIZ.<br><br> What is the location of point B? (-2,9) (2,-9) (9, 2) (9,-2)

Pepsi [2]

Answer:

(9,-2)

Step-by-step explanation:

9 is on x and y is -2

(x,y) is the rule so here ya go hope it helps :)

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2 years ago