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2 years ago

If you multiply an inequality by a positive number _____.

Mathematics

2 answers:

olga nikolaevna [1]2 years ago

7 0

Keep the inequality sign the same

lana [24]2 years ago

7 0

Answer: If you multiply an inequality by a positive number keep the inequality sign the same

Explanation: There are certain rules that should be kept in mind while solving the inequality:

1. When a number is added or subtracted from each side of an inequality the direction of the inequality does not change

2. When each side of an inequality is multiplied or divided by a positive number the direction of the inequality does not change

3. When each side of an inequality is multiplied or divided by a negative number the direction of the inequality does change

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2 years ago

What is the equation of the coordinate A and B if they are (4,7), (6,3) respectively. What is the equation of the straight line.

Nesterboy [21]

Answer: y+2x=15

Step-by-step explanation:

Given

Two points A and B are (4,7) and (6,3) respectively

Using two-point form

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

Putting values

$\Rightarrow \dfrac{y-7}{x-4}=\dfrac{3-7}{6-4}\\\\\Rightarrow \dfrac{y-7}{x-4}=\dfrac{-4}{2}=-2\\\\\Rightarrow y-7=-2x+8\\\\\Rightarrow y+2x=15$

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2 years ago

20 + 2(3-5)^2 + 30/10 x 3

KonstantinChe [14]

20 + 2*(3-5)^2 + (30/10)*3

20 + (2*[-2])^2 + (3*3)

20 + (-4)^2 + 9

29 + 16

Note that * is used to signify multiplication.

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2 years ago