Who can help me with these I really need help if u can explain and give answers I will appreciate it.

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10-10-2017
Mathematics

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Who can help me with these I really need help if u can explain and give answers I will appreciate it.

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mathisfun14 mathisfun14 · Answer 1 · 2017-10-10T05:02:48+02:00

Hi there!

Question 6)

The scale is 1 cm : 18km.

This means that for every 1 cm, there is 18 km

So, we are going to set it up like a proportion:

cm 1 9
km 18 x

Now we are going to cross multiple:

1*x=9*18

Solve for x:
x=152

Therefore, the answer is 152 km

question 8)

Yet again we have a proportion problem.

15 10
18 x

15x=180

x=12ft

Therefore, the answer is 12 feet.

Question 10)

This question is just like the other one!

3. 6
7. x

3x=42

x=14

Therefore, the answer is 14 feet

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Hope this helps! Let me know if you have any questions!