A.) x (5 + x) = 5x + x^2
B.) 2 (5 + x) = 10 + 2x
Answer:
60
Step-by-step explanation:
<H + <T = 180
2x+ 60 + x + 30 = 180
3x + 90 = 180
3x = 90
x = 30
<T = x + 30 = 30 + 30 = 60
Answer
<T = 60
Tell whether the product of Prxs and Q5x3 is defined. If so, give the dimensions of PQ.
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defined; 7 x3
defined; 3 x 7
defined; 5 x 5
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