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hoa [83]
1 year ago
8

-√-12 I need help there’s a picture of my question

Mathematics
1 answer:
Sophie [7]1 year ago
3 0

Answer:

The rewritten expression would be "-2i\sqrt{3}".

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Plzzzzz help me with this
ehidna [41]

Answer:

We conclude that we must add 4² or 16 to complete the square.

Hence, option C i.e. 16 is the correct answer.

Step-by-step explanation:

We know that the perfect square formula is

<em>(a + b)² = a² + b² + 2ab</em>

Given the equation

x^2+8x

Let us add 4² or 16 in the equation

x^2+8x+4^2

x^2+\:2\left(1\right)\left(4\right)x+4^2

as <em>(a + b)² = a² + b² + 2ab, </em>so

<em />x^2+8x+4^2=\left(x+4\right)^2<em />

<em />

Therefore, we conclude that we must add 4² or 16 to complete the square.

Hence, option C i.e. 16 is the correct answer.

4 0
3 years ago
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Rudi bought 12.5 yards of fabric to make pillows. Each pillow requires 1.75 yards of fabric. Use compatible numbers to estimate
Ipatiy [6.2K]
Hi there!

Using compatible numbers it would be:

12 ÷ 2 = 6.

Now when you divide it, the answer would be close to 6.

So, 12 ÷ 2 = 6 would be using compatible numbers.

Hope this helps ;)
8 0
3 years ago
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From 1965 to 1996 Canadian Gary Duschi made the world's longest gum wrapper chain. It was 18,721 feet long. About how many miles
jok3333 [9.3K]
It would be about 3.5 miles long so you chose 3 miles or 4 miles i would go with (4 miles)
6 0
3 years ago
When comparing prices for activities at a local recreation center, you notice that the center charges different prices on differ
nikklg [1K]
The activity type would be the input and the cost would be the output. Because there are two different costs for the same activity, this would not be a function.
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Hope this helps! :)
4 0
3 years ago
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I will mark brainlist please help what is the vertex of the parabola
amm1812
The answer is (1,-9).
4 0
2 years ago
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