3 years ago

I need to know the length

Mathematics

2 answers:

seropon [69]3 years ago

6 0

The length is 15. Hope this helps. :)

Katarina [22]3 years ago

4 0

The lenght is 15 hope this will help you

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(5k − 1 + 2k3) − (6k3 − 3k2 − 8) + (8k3 − 2k2 − 7k)

Vera_Pavlovna [14]

Answer:

4k^3 + k^2 - 2k + 7

Step-by-step explanation:

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3 0

3 years ago

Read 2 more answers

Please help I found this one a bit confusing

Brums [2.3K]

Answer:

7.2

Step-by-step explanation:

To reach point D from point C, you need to add 4 to the x-value of point C and take away 6 from the y-value. These numbers are the sides of the hypothetical triangle.

The Pythagorean Theorem states that $a^2+b^2=c^2$ . If we plug the side lengths in for a and b, we get $4^2 + 6^2 = c^2$ . This can be simplified to $16+36=c^2$ , or $52 = c^2$ . If we root both sides, we find that c is equal to $\sqrt{52}$ , which is slightly more than 7, at around 7.2.