3 years ago

Which are aspects covered by Bohr’s atomic model?

Mathematics

1 answer:

MakcuM [25]3 years ago

3 0

Answer:a and d

Step-by-step explanation:took the test

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Is each line parallel, perpendicular, or neither parallel nor perpendicular to the line −x+4y=20?

PSYCHO15rus [73]

-x+4y=8: Parallel
4x+y=-1: Perpendicular
y=-1/4x+6: neither
y=-4x-3: Perpendicular

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3 years ago

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Twenty less than thrice a number is 223.what is the number

Tomtit [17]

So I just did 3x-20=223

3x=243

x=243/3

x=81

so the answer would be 81

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4 years ago

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Convert 66 months to years.

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It will be 5 years and 5 months.

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Question : 3/4+ 0.6 = ? 1.15 1.35 1.45 or 1.05

Artyom0805 [142]

we have

$\frac{3}{4} +0.6$

we know that

$\frac{3}{4}=0.75$

and

$0.75=0.40+0.35$

substitute in the expression

$0.40+0.35 +0.6$

$(0.40+0.60)+0.35$

$(1.00)+0.35=1.35$

therefore

<u>the answer is</u>

$1.35$

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4 years ago

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A silo is a composite of a cylindrical tower with a cone for a roof. Find the volume of the silo if the

xxMikexx [17]

Answer:

5127079.21 cubic feet

Step-by-step explanation:

The silo is in the shape of a cylinder and a cone.

The volume of the silo will be the sum of the volumes of the cylinder and the cone.

Therefore, its volume is:

$V = \pi r^2h + \frac{1}{3} \pi rH$

where r = radius of cylinder and cone

h = height of cylinder

H = height of cone

The radius of the base is 120 feet, the height of the roof (cone) is 25 feet. The height of the entire silo is 130 feet. This means that the height of the cylinder is:

130 - 25 = 105 feet

Therefore, the volume of the silo is:

$V = (\pi * 120^2 * 105) + (\frac{1}{3} * 120^2 * 25)\\\\V = 4750088.09 + 376991.12\\\\V = 5127079.21 ft^3$

The volume of the silo is 5127079.21 cubic feet.

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3 years ago