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Novay_Z [31]
3 years ago
9

Kat is painting the edge of a triangular stage prop with reflective orange paint. The lengths of the edges of the triangle are (

3x –
4) feet, (x2 - 1) feet, and (2x2 - 15) feet. What is the perimeter of the triangle if x = 4?
Mathematics
1 answer:
Eva8 [605]3 years ago
3 0
Plug 4 in for every x

(3*4)-4=8
(4^2)-1=15 [(4^2) is 4*4]
(2*(4^2))-15= 15 [because of PEMDAS the exponent comes first and then multiply by 2 then subtract]

Perimeter is the sum of the lengths so add up all the sides from above
8+15+15=38
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(59-6) x (⅓) ³ + 27 ÷ 3 =<br><br>8² ÷ 4 x (2 + 3) -9 =​
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Answer:

(59-6) × \sf{(\frac{1}{3})}^{3} + 27 ÷ 3

=53 × \sf\frac{{1}^{3}}{{3}^{3}} + 3³ ÷ 3

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=\sf\frac{243+53}{27}

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=\sf10\frac{26}{27}

\sf\:

8² ÷ 4 × (2 + 3) - 9

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=64 ÷ 4 × 5 - 9

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=16 × 5 - 9

=80 - 9

=71

5 0
2 years ago
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