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Sladkaya [172]
3 years ago
14

A right triangle has side lengths 12 centimeters and 14 centimeters. Name two possible side lengths for the third side, and expl

ain how you solved for each.
.
Mathematics
2 answers:
madam [21]3 years ago
4 0

Answer:

If 12 and 14 are both side lengths then we solve for the hypotenuse:

hypotenuse^2 = 12^2 + 14^2

hypotenuse^2 = 144 + 196

hypotenuse^2 = 340

hypotenuse = sq root (340) = 18.4390889146

If hypotenuse = 14, then third side equals:

(3rd side)^2 = 14^2 - 12^2

(3rd side)^2 = 196 -144

(3rd side)^2 = 52

3rd side = sq root (52) = 7.2111025509

Step-by-step explanation:

andrezito [222]3 years ago
3 0

Answer:

18.4 or 7.2

Step-by-step explanation:

The third side can be hypotenuse or base/perpendicular

If third side is hypotenuse

H²=B²+P²

H²= 12²+14²

H=18.4cm

If third side is base/perpendicular

14²=12² + P²

P= 7.2

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2(x-2)^2 + 3(x-2)-2

Now work out 2(x-2)^2 + 3(x-2)-2 also follow PEMDAS
2(x-2)^2 + 3(x-2)-2 
Since (x-2)^2 is an Exponent, lets work with that first and expand (x-2)^2.
(x-2)^2
(x -2)(x-2)
x^2 -4x + 4
Now Multiply that by 2 because we have that in 2(x-2)^2
(x-2)^2  =  x^2 -4x + 4
2(x-2)^2  =  2(x^2 -4x + 4)
2(x^2 -4x + 4) = 2x^2 - 8x + 8
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Now that 2(x-2)^2 is done lets move on to 3(x-2).

Use the distributive property and distribute the 3
3(x-2) = 3x - 6

All that is left is the -2 

Now lets put it all together 
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2x^2 - 8x + 8 + 3x - 6 - 2

Now combine all our like terms 
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So all we have left is
2x^2 - 5x





5 0
3 years ago
Which estimate is closest to the actual value of (2.99548) ⋅ (1.8342)? CHOOSE ALL THAT APPLY!
docker41 [41]
I think B. Would be the correct one
5 0
2 years ago
A bag of peanuts is 4 1/5 ounces. If you have 3/5 of a bag, how many ounces does it weigh?
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3 years ago
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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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