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Ivanshal [37]
3 years ago
14

Pls look i math pic i put and answer fast plssss i will mark u as brainliest

Mathematics
1 answer:
Lera25 [3.4K]3 years ago
8 0

Answer:it’s 80ft hope this helps

Step-by-step explanation:

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Which of the models show 1.28 ÷ 4?
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Answer:

1.28 ÷ 4 = 0.32

But the "models" make little or no sense.  I can see the three bars and two dots representing the digits 3 and 2, but that is the only image I see, repeated three times.  It also shows no reference to the decimal place, so I would say there is no real representation of it all.

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Find the distance driven, if you drive at 60 mph for 3 1/2 hours. Round to the nearest whole mile.
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The velocity (v) is distance (d) divided by time (t):
v = d/t

v = 60 mph
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3 years ago
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A rectangle is constructed with its base on the​ x-axis and two of its vertices on the parabola y equals = 100 100 minus −x squa
masha68 [24]

Answer:

Step-by-step explanation:

Given that a rectangle is constructed with its base on the x axis and two of its vertices on the parabola

y=100-x^2

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Any general point above x axis can be written as (a,b) (-a,b) since symmetrical about yaxis.  

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Area of rectangle = lw = 2a(100-a^2)=200a-400a^3

To find max area, use derivative test.

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Maximum area = 4(96) = 384

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Step-by-step explanation:

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