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Ulleksa [173]
3 years ago
8

Find the surface area of a square pyramid. round yo ur answer to the nearest hundredth

Mathematics
1 answer:
Aleonysh [2.5K]3 years ago
5 0

Answer:

A=a^2+2a√(a2/4+h^2)

Step-by-step explanation:

a Base edge  

h Height

Since there are no values you'll need to put them in yourself.

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-20 + 11= Please help if you know what the answer is please show work or explane how you got it?
Travka [436]

Step-by-step explanation:

-20+11

negative and positive sign will change in negative so ans will be=-9

because positive sign is on greater number

6 0
3 years ago
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☆pls help no one has helped me and I'm so confused! ​
motikmotik

Answer:

Step-by-step explanation:

a). \frac{5\pm\sqrt{-4}}{3} = \frac{5}{3}\pm \frac{\sqrt{-4}}{3}

               = \frac{5}{3}\pm\frac{2\sqrt{(-1)} }{3}

               = \frac{5}{3}\pm\frac{2i}{3} [Since, i = \sqrt{(-1)}]

b). \frac{10\pm\sqrt{-16}}{2} = \frac{10}{2}\pm \frac{\sqrt{-16}}{2}

                  = 5\pm \frac{4\sqrt{-1}}{2}

                  = 5 ± 2i [Since, i = \sqrt{(-1)}]

c). \frac{-3\pm \sqrt{-144}}{6} = -\frac{3}{6}\pm \frac{\sqrt{-144}}{6}

                    = -\frac{3}{6}\pm \frac{12\sqrt{-1}}{6}

                    = -\frac{1}{2}\pm 2\sqrt{-1}

                    = -\frac{1}{2}\pm 2i [Since, i = \sqrt{(-1)}]

4 0
3 years ago
We can measure. waves with instruments
lana [24]

Answer:

Yes, we can measure waves with instruments. We can also use math.

8 0
3 years ago
Solve for z.<br> 7z +4 – 9z = 8<br> z = [?]
ZanzabumX [31]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

(Pumps)/(Everything)

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10/25

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