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sammy [17]
2 years ago
7

Write in decimal form 7× 100+ how to solve step by step

Mathematics
1 answer:
LenKa [72]2 years ago
8 0
Just count the number of zeros and move the decimal that many times . (ex: 7x100= 700 or 7x100.= 7.000
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Use signed numbers to solve. A helicopter descended 1200 feet, rose 800 feet, and then descended 450 feet. What was the net gain
sergey [27]
The rise or an increase in altitude is represented by positive sign and a decend or decrease in altitude is represented by negative sign. 

First the helicopter descended 1200 feet. So the change in altitude will be -1200 feet.

Then the helicopter rose by 800 feet. So the change in altitude will be 800 feet.

Finally the helicopter descended by 450 feet. So the change in altitude will be -450 feet.

The net change in altitude will be the sum of all the above 3 changes. 
Change in altitude = -1200 + 800 - 450 = -850 feet

The negative sign indicates a descend i.e. loss in altitude. So the net change in altitude was a loss of 850 feet. 
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3 years ago
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STatiana [176]

Answer:

How are we suppose to answer this on this website?

Step-by-step explanation:


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3 years ago
If 14 people show up to a cookout and you make 21 hot dogs, how many will you need to make if 105 people up?
Oksanka [162]

Answer:

Step-by-step explanation:

let x = number of  of hot dogs that 105 people  will do

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divide through by 21

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3 years ago
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