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3 years ago

Why is it not possible to make a right triangle using lengths of the12 feet, 30 feet, and 45 feet

Mathematics

2 answers:

ratelena [41]3 years ago

7 0

The longest side of a right triangle is the hypotenuse.

The hypotenuse of a right triangle needs to equal the square root of the sum of the two sides Squared of the triangle. This is Known as the Pythagorean theorem.

Hypotenuse = sqrt( 12^2 + 30^2)

= sqrt(144 + 900)

= sqrt(1044)

=32.31

45 is greater than 32.31

hammer [34]3 years ago

7 0

Answer: the sum of the two smaller sides are not larger then the 3rd side

Step-by-step explanation:

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It is most probably 30

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4 years ago

2) Evaluate the given numerical expression. A) 9 B) 12 C) 14 D) 21

eduard

Answer:

$\boxed{\sf{14}}$

Step-by-step explanation:

$\boxed{\underline{\text{ORDER OF OPERATIONS:}}}$

Use the order of operations.

Note: PEMDAS or BODMAS stands for:

PEMDAS

Parentheses
Exponents
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BODMAS

Brackets
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First, do parentheses.

3+6*(5+4)÷3-7

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$\Longrightarrow: \sf{3+6* 9\div 3-7}$

Do multiply and divide.

6*9=54

54/3=18

Then, rewrite the problem down.

$\Longrightarrow: \sf{3+18-7}$

Add.

$\sf{3+18=21}$

$\sf{21-7=\boxed{\sf{14}}$

$\Longrightarrow: \boxed{\sf{14}}$

Therefore, the correct answer is "C. 14".

I hope this helps, let me know if you have any questions.

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2 years ago

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