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Alla [95]
3 years ago
7

Evaluate 3+11t−9u when t=9 and u=11

Mathematics
2 answers:
weqwewe [10]3 years ago
7 0

Answer:

<h2>3</h2>

Step-by-step explanation:

3+11t-9u\\t = 9\\u =11\\\\3+11(9) -9(11)\\\\\mathrm{Follow\:the\:PEMDAS\:order\:of\:operations}\\\\\mathrm{Multiply\:and\:divide\:\left(left\:to\:right\right)}\:11\left(9\right)\::\quad 99\\=3+99-9\left(11\right)\\\\\mathrm{Multiply\:and\:divide\:\left(left\:to\:right\right)}\:9\left(11\right)\::\quad 99\\=3+99-99\\\\\mathrm{Add\:and\:subtract\:\left(left\:to\:right\right)}\:3+99-99\:\\:\quad 3

Vikki [24]3 years ago
5 0

Answer:

- 19

Step-by-step explanation:

3 + 11t - 9u = 3 + 11(9) - 9(11) = 3 + 99 - 121 =  - 19

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