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Sati [7]
3 years ago
10

$3.25 marked up by 30% how do i work it out

Mathematics
2 answers:
cestrela7 [59]3 years ago
7 0

Answer:

multiply 3.25 by .3 on your calculator than add the result to 3.25, the answer is 4.23             ps: Orlandob007 on insta

Step-by-step explanation:

every time yiu have to mark up or mark down by a percentage move the decimal point 2 times from right to left ex. 30% ->.3

Blizzard [7]3 years ago
3 0
You multiply $3.25 by .30 and you get $0.98. Add that to the $3.25 and you get your answer: $4.23. Hope this helps!
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The Reunion Tower in Dallas, Texas, is topped by a spherical dome that has a surface area of approximately 13,924 \pi square fee
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The volume of the spherical dome will be 12.9π cubic feet when the surface area of the dome is 13.924π.

<h3>What is the volume of the sphere?</h3>

The volume of the cone is the amount of quantity, which is obtained in the 3-dimensional space. The dome is the shape of a semi-sphere the volume of the dome will be half of the volume of the sphere.

Given that the Reunion Tower in Dallas, Texas, is topped by a spherical dome that has a surface area of approximately 13,924π square feet.

The volume of the dome will be calculated as below:-

SA = 13.924π

2πr² = 13.92π

r = √6.96

r = 2.63 feet

Volume = 2 / 3 πr³

Volume = ( 2 / 3 ) π ( 2.63)³

Volume = 12.24π cubic feet

Therefore, the volume of the spherical dome will be 12.9π cubic feet.

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brainly.com/question/24247548

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Step-by-step explanation:

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