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Dahasolnce [82]
2 years ago
7

Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (–

1 i) (21 5i)? (–1 i) (21 5i) 0 –1 (i 21) 5i (–1 21) (i 5i) –(1 – i) (21 5i)
Mathematics
2 answers:
solniwko [45]2 years ago
4 0

Answer:

A : (–1 + i) + (21 + 5i) + 0

Step-by-step explanation:

got it right on edge

polet [3.4K]2 years ago
3 0

The expression (21 + 5i) + (-1 + i) demonstrates the commutative property of addition for (-1 + i) + (21 + 5i)

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more number and variables.

Given the expression:

(-1 + i) + (21 + 5i)

Using the commutative property of addition, we get:

(21 + 5i) + (-1 + i)

The expression (21 + 5i) + (-1 + i) demonstrates the commutative property of addition for (-1 + i) + (21 + 5i)

Find out more on equation at: brainly.com/question/2972832

#SPJ4

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3 years ago
Alana is 4 years older than her brother Ernie Ernie is two years older than her sister Amelia Amelia is 10 years younger than th
OverLord2011 [107]

Answer:

Alana is 13 years old.

Step-by-step explanation:

Assuming you meant Mazo = Maisel,

You start from the bottom:

Amelia is 10 years younger than 17-year-old Maisel.

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Ernie is 2 years older than 7-year-old Amelia.

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Hope this helps!

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4 0
3 years ago
Find the value of x.
Mandarinka [93]

Answer:

⏩12°

Step-by-step explanation:

4x + 7° + 35° = 90° {being complementary angles }

4x + 42° = 90°

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6 0
3 years ago
Read 2 more answers
there are quite a bit of them but i just need someone to convert these fractions to decimals....thanks&lt;3
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Answer:

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Step-by-step explanation:

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4 0
3 years ago
A machine can stamp 75 caps per minute. At this rate how long will it take to stamp 3000?
Leya [2.2K]
<h2>Answer:</h2><h2>40 minutes</h2>

Step-by-step explanation:

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6 0
3 years ago
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