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Bond [772]
4 years ago
10

Help please I'm really confused I will mark a brainliest for correct answer

Mathematics
2 answers:
rosijanka [135]4 years ago
6 0
So first, you have to know Pythagorean theorem. First, you have to know the equation “(a^2)+ (b^2)=c^2”
It’s the first two legs squared equals the hypotenuse squared.
So the first leg, 12, squared is 144. The second leg, 16, squared is 256. 144+256= 400. Now, we only have 1 more step' which is finding the square root of 400. 20 × 20 = 400, so the length of the missing measure is the 4th answer, 20 yd.
max2010maxim [7]4 years ago
5 0
Easy do 12 times 16 divided by two = 96

answer=96
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jekas [21]

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D =  (-5)^2 - 4*1*7  =  25 - 28 = -3

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8 0
3 years ago
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ioda

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5 0
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Read 2 more answers
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alisha [4.7K]

Answer:

2 minutes

Step-by-step explanation:

Just divide 16 and 8.

Hope this helped you!

6 0
3 years ago
A square and a rectangle have the same perimeter. The square has a side length of 8x units. The rectangle has a length of (10x+8
Elden [556K]
Well we know that the perimeters are equal so:
Psquare = Prectangle

we know perimeter for square is the 4 sides of same lengths added up or 4*s

the perimeter of a rectangle is the then4 sides with 2 being equal added up so 2*L + 2*W

we know that a square side equAls s and it says that s=8x. So:
Psqu = 4 * (8x) (substitute 8x for s)

we know that the rectangle L =10x + 8 and W =10. So
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we know :
Prect = Psqu so:
4 * (8x) =2 *(10x + 8) + 2 * (10)
32x = 20x + 16 + 20
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x = 3

So if x equals 3 we can sub x in for square perimeter
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we can check this with rectangle perimeter
P = 2 *(10 * 3 + 8) + 2 *10
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4 years ago
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