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Pepsi [2]
3 years ago
5

f a storm window has an area of 400 square inches, what are the dimensions if the window is 12 inches wider than it is high (w x

h)?
Mathematics
2 answers:
anzhelika [568]3 years ago
5 0
Well if the window is 40 x 10  the L is 52 and the w 22 
denis23 [38]3 years ago
4 0
A=xy and we are told y=12+x so

A=12x+x^2 and A=400 so

x^2+12x=400

x^2+12x-400=0

x=(-12±√1744)/2

x≈14.88

So the dimensions are approximately 14.88" by 26.88"
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The population of a town increased by 15% in 2016, and decreased by 5% in 2017. If the population of the town was 60,000 in the
nikdorinn [45]

Answer:

The population of the town at the end of 2017 was 65,550.

Step-by-step explanation:

The population of the town was 60,000 in the beginning of 2016.

In 2016, the total population is increased by 15%.

60,000\times\frac{15}{100}=9000

Therefore the population is increased by 9000 and the population of the town at the end of 2016 was

60,000+9000=69,000

In 2017, the total population is decreased by 5%.

69,000\times\frac{5}{100}=3450

Therefore the population is decreased by 3450 and the population of the town at the end of 2017 was

69,000-3450=65,500

Therefore the population of the town at the end of 2017 was 65,550.

3 0
3 years ago
Which reflection of the point will produce an image at the same time coordinates (0,k)
Anettt [7]
I need more details.
4 0
3 years ago
45 minus 4.5. Show work
Dmitrij [34]
Let's do subtraction by first starting with the ones place and then the tenths place of the subtrahend.
45-4=41; 44, 43, 42, 41
41-.5= 40.5; 40.9, 40.8, 40.7, 40.6, 40.5
45-4.5=40.5
We can check by using addition.
40.5+4.5=
44+1=
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Is y=2/7x+2 is proportional?
quester [9]

Answer:Yes it is proportional

4 0
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How long will it take a vehicle to travel 480km at a speed of 75km/h?
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V = d/t
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t = 480km / 75 km
t = 6.4 hours or 384 minutes
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