3 years ago

Which properties must you use to add or subtract complex numbers?

Mathematics

1 answer:

Leno4ka [110]3 years ago

8 0

The last one i think

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Explain and I’ll mark as brainliest too also worth 20 points

USPshnik [31]

Answer:

x = 3

Step-by-step explanation:

The equation is,

16 = 5x+1

Subtract 1 from both sides,

16-1 = 5x

15 = 5x

Divide by 5,

x = 3

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3 years ago

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Insert parentheses in expression 2 so that it has a value of 4. Then show why your expression has a value of 4.

Natasha_Volkova [10]

(2^3 +4) = 12

9-6=3

(2^3 +4) /(9-6)
12 /3
4

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4 years ago

PLZ HELP MEEEE <br><br><br> Four plus eight divided by two times (six minus three)

Maru [420]

The answer is 16
by PEMDAS

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3 years ago

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Jordan estimated that his paper airplane would fly 42 feet. It actually traveled 50 feet. What was the percent error?

topjm [15]

$\huge \mathcal{ Answer࿐}$

Error (e) = 50 - 42 = 8 feet

assumed value (a) = 42 feet

$\boxed{ \mathrm{ \% \: error = \dfrac{error}{assumed \: value} \times 100}}$

$\mathrm{ \% \: error =\dfrac{8}{42}} \times 100$

$\mathrm{ \% \: error = \dfrac{800}{42} }$

$\mathrm{ \% \: error = 19.04 \%}$

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3 years ago

What is the answer to f-7/g= h for f

gtnhenbr [62]

Answer:

Step-by-step explanation:

$f - \frac{7}{g}=h\\\\f =h + \frac{7}{g}$

5 0

3 years ago