3 years ago

Help with math please

Mathematics

1 answer:

pogonyaev3 years ago

4 0

Answer:

the answer is (a) $1,418.12

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Find the surface area of the square pyramid 8mm 6mm

bija089 [108]

Answer:

136 mm²

Step-by-step explanation:

$A=a^{2} +2a\sqrt{\frac{a^{2} }{4} } +h^{2}$

$A=6^{2} +2(6)\sqrt{\frac{6^{2} }{4} } +8^{2}$

$A=36 +12\sqrt{\frac{36 }{4} } +64$

$A=36 +12\sqrt{9 } +64$

$A=36 +12(3)+64$

$A=36 +36+64$

A = 136

5 0

2 years ago

I need to simplify this

Korvikt [17]

Hi there!

$3 \sqrt{54} + 2 \sqrt{24} =$
First we split up the square root into two parts.

$3 \times \sqrt{9} \times \sqrt{6} + 2 \times \sqrt{4} \times \sqrt{6} =$
Now we calculate the value of the square roots which have an integer as a solution

$3 \times 3 \times \sqrt{6} + 2 \times 2 \times \sqrt{6} =$
Multiplying the integers gives us our next step.

$9 \sqrt{6} + 4 \sqrt{6} =$
And finally we add up the roots.

$13 \sqrt{6}$

3 0

3 years ago

Heeeeeelp me please and thank you

melamori03 [73]

The moral of the story is to not give up. The bird ,after discovering he couldn’t get the water after trying his hardest, still pushed through to pick up the stones to tip the pitcher to get the water.

6 0

2 years ago

Read 2 more answers

3x-8 i nedd help finding what x represent

seropon [69]

8/3

divide both sides by 3 and you get x=8/3

7 0

3 years ago

Looooooooooooooooooool

VMariaS [17]

Answer:

i just need points please like

Step-by-step explanation:

8 0

2 years ago