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Tems11 [23]
3 years ago
5

how do you do this 2 problems please help me ITS A PICTURE please help!! Find the area please!!10 points!! Thabk you!!​

Mathematics
2 answers:
Lunna [17]3 years ago
7 0

Answer:22.8

Step-by-step explanation:the 3.4 doesn't need to be added just 5.7 times four because all the sides are equal

Rina8888 [55]3 years ago
5 0

Answer:

for number 4: the area is 19.38 sq cm

for number 6: the area is 57.4 sq mm

Step-by-step explanation:

for number 4:

start with the formula:

A = bh

Then substitute b for 5.7 cm and h for 3.4 cm.

A = 5.7 cm times 3.4 cm

This equals 19.38 sq cm.

for number 6:

start with the formula:

A = 1/2 bh

Substitute b for 14 mm and h for 8.2 mm.

A = 1/2 times 14 mm times 8.2 mm

This equals 57.4 sq mm.

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A company has 300 items to post, they have packages and
swat32

Answer:

£162.35.

Step-by-step explanation:

Total of letters + packages = 300.

Number of packages =  300 * 16 / ( 16+59)

= 300 * 16/75

= 64

So number of letters = 300 - 64 = 236.

No. of first class letters = 236 * 1/4 = 59.

No. of 2nd class letters = 236 - 59 = 177.

Total cost

=  64*1.2 + 0.52*59 + 0.31*177

= 162.35.

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2 years ago
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NARA [144]

Answer:

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6 0
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