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3 years ago

I need to know what the difference of this expression is.(4 - 5i) - (12 + 11i)

Mathematics

1 answer:

Juli2301 [7.4K]3 years ago

8 0

Answer: -10-16i

Step-by-step explanation:

Given

(4-5i)-(12+11i)

Expand parenthesis

2-5i-12-11i

Put like terms together

(2-12)-(5i+11i)

Combine like terms

-10-16i

Hope this helps!! :)

Please let me know if you have any questions

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Point(-5,3) after the 2 reflections would become (3,-5)

point (4,-2) after the 2 reflections becomes (2,4)

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3 years ago

Rewrite the following phrase as a mathematical expression.

kompoz [17]

Answer:

3n+15

Step-by-step explanation:

three (3) times ( $*\\$ ) a number (n) added (+) to fifteen (15)

3n+15 is your answer

Hope this helps!

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3 years ago

Find the slope, if it exists, of the line containing the pair of points. (-3,-10) and (-11. - 17)

gregori [183]

Answer:

$m=\frac{7}{8}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Algebra I

Slope Formula: $m=\frac{y_2-y_1}{x_2-x_1}$

Step-by-step explanation:

Step 1: Define

Point (-3, -10)

Point (-11, -17)

Step 2: Find slope m

Substitute: $m=\frac{-17+10}{-11+3}$
Add: $m=\frac{-7}{-8}$
Simplify: $m=\frac{7}{8}$

And we have our final answer!

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3 years ago

1.Alan is x years old .Tom is 5 years older than Alan. Write an expression for the total of their ages.

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Answer:

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Step-by-step explanation:

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3 years ago

{3^4•5^4}-3 what is the answer

marshall27 [118]

Answer:

1,265,622

Step-by-step explanation:

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4 years ago

I need to know what the difference of this expression is.(4 - 5i) - (12 + 11i)​

I need to know what the difference of this expression is.(4 - 5i) - (12 + 11i)