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eduard
3 years ago
12

HELP! Is a^2 + b^2 = (a+b)^2

Mathematics
1 answer:
lubasha [3.4K]3 years ago
8 0
Yes (a+b)^2 equals a^2 + b^2 when solved
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Karen is moving at 81.2 miles per hour while Melinda is moving at 71.2 miles per hour.

<h3>Equation for speed</h3>

Speed is the ratio of total distance travelled to total time taken. It is given by:

Speed = distance / time

Let a represent Karen speed and b represent Melinda speed, hence:

a = b + 10

a - b = 10   (1)

Also:

a = d₁ / 1

d₁ = a

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d₂ = b

Since they are 108 miles apart, using Pythagoras:

108² = d₁² + d₂²

a² + b² = 11664

(b + 10)² + b² = 11664

b = 71.2 mph, a = 81.2 mph

Karen is moving at 81.2 miles per hour while Melinda is moving at 71.2 miles per hour.

Find out more on speed at: brainly.com/question/4931057

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1 year ago
28 32 21 22<br> The mean is 24.4 what is the 5th number
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The awnser has to be 26??
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2 years ago
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How do you make 1 1-2/1-6-7/8 a mixed number
AveGali [126]

Answer:

17/8

Step-by-step explanation:

2/1=2

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3 years ago
Angle I and N are complementary. If angle N has a meause of 48 degrees, find the measure of angle I
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Step-by-step explanation:

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