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Rzqust [24]
3 years ago
8

I need help with these I am in honors math and it is hard so please hrlp

Mathematics
1 answer:
bonufazy [111]3 years ago
7 0
2 a. 32
Sorry this isn't that helpful... I hope someone helps you soon.
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Answer:

The answer is 2 1/6

Step-by-step explanation:

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Please answer the following questions​
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Answer:

4a) 110 square centimetres

4b) 127 square centimetres

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Step-by-step explanation:

4. We need to find the area of the large rectangle and then deduct the area of the unshaded part:

a) The large rectangle has dimensions 12 cm by 15 cm. Its area is:

A = 12 * 15 = 180 square centimetres

The unshaded part has a length of 15 - (3 + 2) cm i.e. 10 cm and a width of 7 cm. Its area is:

a = 10 * 7 = 70 square centimetres

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b) The large rectangle has dimensions 13 cm by 11 cm. Its area is:

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6. The background area of the space not covered by the photograph is the area of the frame minus the area of the photograph.

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a = 14 * 10 = 140 square centimetres

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A - a = 432 - 140 = 292 square centimetres

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A = 8 * 4 = 32 square centimetres

Each square tile has dimensions 20 cm by 20 cm. In metres, that is 0.2 m by 0.2 m. The area of each tile is:

a = 0.2 * 0.2 = 0.04 square metres

The number of tiles that are needed is the area of the floor divided by the area of each tile:

A / a = 32 / 0.04 = 800 tiles

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