3 years ago

Please helpppppppppppppppppppp

Mathematics

2 answers:

seraphim [82]3 years ago

7 0

Answer:

The missing value is -1

Step-by-step explanation:

mark as brainliest..

Anna007 [38]3 years ago

3 0

Answer:

the missing value is -1.......

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Given two points M & N on the coordinate plane, find the slope of MN , and state the slope of the line perpendicular to MN .

telo118 [61]

Answer:

Problem 1) $m = \dfrac{1}{4}$ $slope_{perpendicular} = -4$

Problem 2) $m = \dfrac{1}{3}$ $slope_{perpendicular} = -3$

Step-by-step explanation:

$slope = m = \dfrac{y_2 - y_1}{x_2 - x_1}$

$slope_{perpendicular} = \dfrac{-1}{m}$

Problem 1) M(9,6), N(1,4)

$slope = m = \dfrac{6 - 4}{9 - 1} = \dfrac{2}{8} = \dfrac{1}{4}$

$slope_{perpendicular} = \dfrac{-1}{\frac{1}{4}} = -4$

Problem 2) M(-2,2), N(4,-4)

$slope = m = \dfrac{4 - 2}{4 - (-2)} = \dfrac{2}{6} = \dfrac{1}{3}$

$slope_{perpendicular} = \dfrac{-1}{\frac{1}{3}} = -3$

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3 years ago

13. Describe the system by substitution:<br> y=x-7<br> 2x - y = 3

torisob [31]

Answer:

$x = y + 7 \\ \\ x = \frac{3 + y}{2} \: or \: y = 2x - 3$

Step-by-step explanation:

$1. \: 2x = 3 + y \\ 2. \: x = \frac{3 + y}{2} \: or \: y = 2x - 3 \\ \\ 1. \: y + 7 = x \\ 2. \: x = y + 7$

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2 years ago

What is another way of writing the following expression?

Otrada [13]

It would be c. You always start with what’s between the parentheses. So start with 4+5 which equals 9. Then you’ll do 9+2 which is 11. And there’s your answer

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2 years ago

What is -29/30 + 7/12 / 1/2

inn [45]

-29/30 +7/12÷1/2
7/12÷1/2=7/6
-29/30 + 7/6=1/5
1/5

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3 years ago

Read 2 more answers

Sarah decides to take her six-year-old son to the circus the price for the child ticket is $4.75 dollars Less in the price for t

Musya8 [376]

Suppose An adult ticket is A

It would be : A=X+4.75

Or. X= A-4.75

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3 years ago