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kozerog [31]
3 years ago
9

Solve for x. 2x squared-36=0

Mathematics
1 answer:
Sholpan [36]3 years ago
5 0

Answer=4.24

Step-by-step explanation:

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If the volume of the planter is 3,072 cubic inches, how tall is the planter?
andrezito [222]

\it \mathcal{V} =\dfrac{\mathcal{A}_b\cdot h}{3} \Rightarrow h = \dfrac{3\mathcal{V}}{\mathcal{A}_b}= \dfrac{3\cdot3072}{\mathcal{A}_b}\ \ \ \ \ (*)
\\\;\\ \\\;\\
\mathcal{A}_b = \dfrac{\ell^2\sqrt3}{4} = \dfrac{16^2\sqrt3}{4} =\dfrac{16\cdot16\sqrt3}{4} =4\cdot16\sqrt3=64\sqrt3\ \ \ \ (**)
\\\;\\ \\\;\\
(*),\ (**) \Rightarrow h=\dfrac{3\cdot3072}{64\sqrt3} = \dfrac{3\cdot48}{\sqrt3} = \dfrac{\sqrt3\cdot\sqrt3\cdot48}{\sqrt3} = 48\sqrt3\  inches


4 0
3 years ago
What percent of 60 is 12? Show your work.
Semmy [17]
Percent formula : is/of = %/100
is = 12
of = 60
% = x
now we sub

12/60 = x/100
cross multiply
(60)(x) = (12)(100)
60x = 1200
x = 1200/60
x = 20

check..
0.20(60) = 12
12 = 12 (correct)

so 20% of 60 is 12
7 0
3 years ago
Read 2 more answers
A jar has 10 red marbles, 6 purple marbles, and 4 turquoise marbles. Grace wins if she selects a turquoise marble from the jar.
docker41 [41]
No, the game is not fair because grace has a higher probability of choosing a marble of another color
4 0
1 year ago
Joel and his two friends went to the movies. They each brought a medium popcorn. All together they spent $45. How much did each
grin007 [14]

3 boys = $45

÷3 ÷3


$15, if they brought their own popcorn, then it's lose information, it's just there to throw you off


( ͡ ͜ʖ ͡ )

7 0
3 years ago
Write in standard form.<br> 2.87 x 104<br><br> A.28,700<br> B. 0.000287<br> C. 2,870<br> D. 287,000
Alborosie

Answer:

A.

Step-by-step explanation:

10^4 Basically means you move the number to the left 4 times.

3 0
2 years ago
Read 2 more answers
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