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2 years ago

1. What are opposites?

Mathematics

1 answer:

solong [7]2 years ago

4 0

Answer:A person or thing that is different from other people or things.

Like me and you we might like different things like I like playing games you dont your the opposite of me.

A real world situation would be looking at maybe plants see how different they look or if they look the same study them and realize one is poison the other is fresh.

Step-by-step explanation:

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what is the image of the point ( -4, 8) after a rotation of 90° counterclockwise about the origin

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3 years ago

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2 years ago

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3 years ago

Simplify each expression 1+10a-5a x-9-3x

Burka [1]

1.) 1+10a-5a
Subtract 5a from 10a
Final Answer: 1+5a

3.) x-9-3x
Subtract 3x from x
Final Answer: -9-2x

5.) 1-4n+2n-1
Subtract 1 from 1
-4n+2n
Add
Final Answer: -2n

7.) 10k-3k
Subtract
Final Answer: 7k

9.) 5r+4-4
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Final Answer: 5r

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3 years ago

Read 2 more answers

What is the equation of a line that passes through the point (1, 8) and is perpendicular to the line whose equation is y=x/2+3 ?

Svet_ta [14]

Answer

y = -2x + 10

Explanation

The general equation for a straight line is y = mx + c where m and c are gradient and y-intercept respectively.

y=x/2+3 = y (1/2)x + 3

gradient = 1/2

Gradient of the line perpendicular to y=x/2+3 is;

m × 1/2 = -1

m = -2

Now we find the equation of a line passing through (1,8) and have a gradient of -2.

-2 = (y - 8)/(x - 1)

-2(x - 1) = (y - 8)

2 -2x = y - 8

y = -2x + 10

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3 years ago