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Alina [70]
2 years ago
5

What is the length of the diagonal from B to D of this rectangle? Round your answ

Mathematics
1 answer:
pishuonlain [190]2 years ago
5 0

Answer: 19.7

Step-by-step explanation:

By the Pythagorean theorem,

(BD)^{2}=8^{2}+18^{2}\\\\(BD)^{2}=388\\\\BD=\sqrt{388} \approx \boxed{19.7}

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3 years ago
I can't figure out the slope of (-5,1) and (6, 4)​
Nuetrik [128]

Answer:

3/11

Step-by-step explanation:

5 0
3 years ago
Can someone please help me with this???
tino4ka555 [31]

Answer:

1 cm

Step-by-step explanation:

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8 0
2 years ago
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Likurg_2 [28]

Answer:

Step-by-step explanation:

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3 0
3 years ago
Read 2 more answers
Quadratic formula to find the zeros <br> b^2-4b+4=0
Lunna [17]

Answer:

Step-by-step explanation:

Remark

I don't think you need the quadratic formula for this equation. It just factors into (b - 2)(b - 2), but I'll do it because you requested it.

Formula

\text{x = }\dfrac{ -b \pm \sqrt{b^{2} - 4ac } }{2a}

Givens

a = 1

b = - 4

c = 4

Solution

x = - - 4 +/- sqrt((-4^2) - 4*1*4)

       ====================

                   2*1

x = 4 +/- sqrt (16 - 16)

          ==========

              2

x = 4/2

x = 2

There are 2 roots but both of them are the same. Some teachers say there is only 1 root. I'm in that group.

5 0
3 years ago
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