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2 years ago

Find the perimeter of a regular octagon with an apothem of 6 feet and an area of 120 square feet

Mathematics

2 answers:

kotegsom [21]2 years ago

8 0

Answer:

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Step-by-step explanation:

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ipn [44]2 years ago

8 0

Step-by-step explanation:

A = (n × s × a)2 A = ( n × s × a ) 2

(120×6)2

240×12

2880

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Answer:

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Step-by-step explanation:

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How much does a glass cube with a side of 5-cm weigh if 1cm3 of glass weighs 2 2/5 grams?

PtichkaEL [24]

The weight of galss cube with side 5 cm is 300 grams

Solution:

A glass cube is of side length 5 cm

Let us first find the volume of glass cube

The volume of cube is given as:

$volume = (side)^3\\\\volume =5^3 = 125$

Thus volume of cube is 125 $cm^3$

Given that,

$1 cm^3 = 2\frac{2}{5} \text{ grams }\\\\1 cm^3 =\frac{12}{5} \text{ grams}$

So, weight of 125 cubic centimeter of glass cube is found by multiplying weight of 1 cubic centimeter of glass cube by 125

$\text{ Weight of 125 } cm^3 \text{ cube } = \text{ Weight of 1 } cm^3 \text{ cube } \times 125$

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Thus weight of galss cube with side 5 cm is 300 grams

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3 years ago

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Jennifer spent $25 on a magazine and some erasers. If the magazine cost $5 and each eraser cost 4, then how many erasers did she

Natali [406]

Answer:

she bought 5 erasers

Step-by-step explanation:

25-5 is 20 and 20 divided by 4 is 5

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3 years ago

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