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Xelga [282]
3 years ago
15

Which could be the dimensions of a rectangular prism whose surface area is greater than 140 square feet? Check all that apply.

Mathematics
2 answers:
Sladkaya [172]3 years ago
7 0

It is 6 feet by 5 feet by 4 feet , 7 feet by 6 feet by 4 feet, and 8 feet by 3 feet by 7 feet (I just took the test)

RoseWind [281]3 years ago
6 0
The second one, ((6 x 5) x 4) +((5 x 4) x 2) = 160

the third one, ((7 x 6) x 4) + (6 x 4) x 2) = 216

the fourth one, ((8 x 4) x 4) + ((4 x 3) x 2) = 152
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Answer:

\frac{1}{2} of the garden will be radishes.

Step-by-step explanation:

Given a rectangular garden which grows cucumbers in \frac{2}{3} of the garden.

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To find:

How much of the whole garden will be radishes?

Solution:

Let the total area of the garden = x sq units

Then as per our assumption, total area to grow cucumbers:

\frac{2x}{3} sq units

Cucumber area to grow radishes = \frac{3}{4} of cucumber area

= \dfrac{3}{4}\times \dfrac{2x}{3}\\\Rightarrow \dfrac{x}{2}\ sq\ units

Fraction of whole garden to grow radishes = Area to grow radishes divided by whole area of garden

\Rightarrow \dfrac{\frac{x}{2}}{x}\\\\\Rightarrow \bold{\dfrac{1}{2}}

Therefore, \frac{1}{2} of the garden will be radishes.

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