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zepelin [54]
2 years ago
7

PLS HELP ILL GIVE 5 STARS

Mathematics
1 answer:
horsena [70]2 years ago
5 0

Answer:

4² + b² = 12²

16 + b² = 144

b² = 144 - 16

b² = 128

b = √128

b = 11.3 feet

Step-by-step explanation:

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4 0
4 years ago
Three erasers and five pencils cost $7.55. 6 erasers and 12 pencils cost $17.40. How much does 1 eraser cost? How much does 1 pe
Sphinxa [80]

Answer:

Step-by-step explanation:

erasers=e  

pencils=p

3e+5p=7.55   ...(1)

6e+12p=17.40

divide by 2

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(2)-(1) gives

p=8.70-7.55=1.15

from (1)

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3e=1.80

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7 0
3 years ago
Please help it’s due
myrzilka [38]

5 = 60

6 = 150

7 = 30

if you have any more questions let me know

3 0
3 years ago
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