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2 years ago

8

Matt went scuba diving. He dove to a depth of 48 feet below the surface. Elena dove one-fourth as deep as Matt. What number desc

ribes the depth Elena dove?

1 answer:

taurus [48]2 years ago

4 0

Answer:

12ft

Step-by-step explanation:

1/4 of 48

= 1/4 * 48

= 12ft

<em>Feel free to mark this as brainliest! :D</em>

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2 years ago

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3 years ago

Sergio works at a bakery and needs to cover

Elan Coil [88]

Answer:

The surface area that Sergio needs to frost on each cake is 3,238 square centimeters

Step-by-step explanation:

The picture of the question in the attached figure

we know that

The surface area of the cylindrical cake is equal to the lateral area plus the area of the top of cylinder (remember that the bottom of the cake does not need frosting)

so

$SA=\pi r^{2}+2\pi r h$

we have

$r=40.2/2=20.1\ cm$ ---> the radius is half the diameter

$h=15.6\ cm$

$\pi=3.14$

substitute the given values

$SA=(3.14)(20.1)^{2}+2(3.14)(20.1)(15.6)$

$SA=1,268.59+1,969.16\\SA=3,237.75\ cm^2$

Round up to the nearest whole number

$SA=3,238\ cm^2$

therefore

The surface area that Sergio needs to frost on each cake is 3,238 square centimeters

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3 years ago