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earnstyle [38]
2 years ago
12

Chang knows one side of a triangle is 13 cm. Which set of two sides is possible for the lengths of the other two sides

Mathematics
2 answers:
ladessa [460]2 years ago
7 0
8 cm & 9 cm .. hope that helps u out :)
cupoosta [38]2 years ago
3 0

Answer:

8 cm and 9 cm

Step-by-step explanation:

In order to find out, you add both 8 and 9 together. If the sum is above/higher than the number 13, they can all be made into a triangle. 8+9 is 17 and 17 is higher than 13.

hope this helps!

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Read 2 more answers
A rectangular mural has dimensions of (x + 10) and (x + 3) feet. If the area of the mural is 60
Crank

Answer:

Dimensions are 12 , 5

Step-by-step explanation:

Area of rectangular mural = length * width

length * width = 60 square feet

(x + 10)(x + 3) = 60

Use FOIL method

x*x + x*3 + 10*x + 10*3 = 60

x² + <u>3x + 10x</u> + 30 = 60      {Combine like terms}

x² +<u> 13x</u> + 30 - 60 = 0

x² + 13x - 30 = 0

Sum = 13

Product = -30

Factors =  15 , -2     (15+ (-2) = 13 ; 15*(-2) = -30)

x² + 15x - 2x - 30 =0  {Rewrite middle terms}

x(x + 15) - 2(x + 15) = 0

(x + 15)(x - 2) =0

x - 2 = 0             {Ignore (x +15) as dimensions wont have a negative value}

x = 2

x + 10 = 2 + 10 = 12

x + 3 = 2 + 3 = 5

Dimensions are 12 , 5

3 0
2 years ago
Select the correct answer. Which sequences of transformations confirm the congruence of shape II and I?
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Answer:

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Step-by-step explanation:

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2 years ago
True of false a - b = a - (-b)
zmey [24]

Answer:

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Step-by-step explanation:

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negative and negative equals positive

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negative and positive equals negative

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3 years ago
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