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Aleks [24]
3 years ago
7

What did I do wrong here?​

Mathematics
1 answer:
photoshop1234 [79]3 years ago
7 0

Answer:

You put 8i^2 instead of 12i^2.  You multiply -6i by -2i which equal -12i^2

Step-by-step explanation:

-7 + 6i - 14i+ 12i^2

-7 - 8i - 12

-19 - 8i

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Write an expression for: four times the quantity k plus 6.
RideAnS [48]

Answer: first you have to multiply 6 x 4 then you have k (24) then you do 24 + 6 and it equals 30!

Step-by-step explanation:

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3 years ago
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3 years ago
The expression w^4 – 36 is equivalent to..?
Aloiza [94]

Answer:

w⁴ - 36

=> ( w² )² - ( 6 )²

=> ( w² + 6 ) ( w² - 6 )

=> w² + 6 = 0 and w² - 6 = 0

=> w = √-6 and w = √6

6 0
3 years ago
4÷2/3=<br><br>1/10÷3=<br><br>1/4÷7=<br><br>9÷1/3=<br><br>4/5÷4=​
Artyom0805 [142]

━━━━━━━☆☆━━━━━━━

▹ Answer

<em>4 ÷ 2/3 = 6</em>

<em>1 ÷ 10/3 = 3/10</em>

<em>1 ÷ 4/7 = 1 3/4</em>

<em>9 ÷ 1/3 = 27</em>

<em>4 ÷ 5/4 = 3 1/5</em>

▹ Step-by-Step Explanation

4 ÷ 2/3 = 4 × 3/2 = 12/2 = 6

1 ÷ 10/3 = 1 × 3/10 = 3/10

1 ÷ 4/7 = 1 × 7/4 = 7/4 = 1 3/4

9 ÷ 1/3 = 9 × 3/1 = 27/1 = 27

4 ÷ 5/4 = 4 × 4/5 = 16/5 = 3 1/5

Hope this helps!

- CloutAnswers ❁

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━━━━━━━☆☆━━━━━━━

8 0
3 years ago
Which expression can be used to find the value of x?
____ [38]

Answer:

       23 sin 55°

x = ------------------           (matches first answer choice)

          sin 85°

Step-by-step explanation:

Note that 2 angles and 1 side length are given.  This is a typical application of the Law of Sines.  The formula for finding the length of side x is:

       23 sin 55°

x = ------------------           (matches first answer choice)

          sin 85°

7 0
3 years ago
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