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12345 [234]
3 years ago
11

Need help + explanation!! ^_^

Mathematics
1 answer:
Paha777 [63]3 years ago
3 0
780, or C, is correct.  Since 9.75 is 1/80th of the actual measurement, we can set up an equation like this:

9.75 = 1/80x

Then multiply each side by 80:

780 = x

The actual building's height is 780 ft.

We can check this answer by plugging in 780 for x in the original equation:

9.75 = 1/80(780)

9.75 = 9.75

Check! <span>✓</span>
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AfilCa [17]
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8 0
3 years ago
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Hi I need help with this
ch4aika [34]

Answer:

well this is going to be long, but

1. 0.625

2. -0.136

3. 1.222

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7. -9.111

8. -7.833

9. 17/25

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12. 8 149/200

13. 3 1/200

14. -13 3/250

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17. your friends snapper is larger, 1320/156 > 1313/156

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20. -5.175 < -5 1/6

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Step-by-step explanation:

sorry i didnt know which question you needed help on so i did it all, hope this helped you!! have a great day

4 0
3 years ago
Matthew wants to sell laptops and smartphones. He wants to sell at least 12 devices and earn at least $4,500. L+S_&gt;4500 repre
nikitadnepr [17]

Answer:A

Step-by-step explanation:

8 0
3 years ago
A road sign says that there is an exit in 3/4 of a mile. How many metres is this? (Use the Unit Conversions in your formula shee
viva [34]
I think we will need to use the 1mile=5280ft and the 1ft=30.48cm and the 1metre=100cm


so
3/4 mles=3/4 times 5280=3960ft
1ft=30.48cm
times both sides by 3960
3960ft=120700.8cm

1metre=100cm
1/100meter=1cm
times both sides by 120700.8
1207.008meter=120700.8cm=3/4mile

answer is 1207.008 meters
round

1207 meters

3 0
3 years ago
Find the sum or difference.<br> (3 – 7m) + 2(3.5m +1)
ad-work [718]

Answer: = 5

Step-by-step explanation:

7 0
3 years ago
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