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Gala2k [10]
3 years ago
11

Evaluate the following expression when a = 5 and b = 6 3a +10b

Mathematics
1 answer:
Anni [7]3 years ago
6 0
The answer is 75 I believe :)
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“The sum of 6 consecutive integers is 519” what is the third number in this sequence?
Rashid [163]
Let x be the first integer, then
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x + (x+1) + (x+2) + (x+3) + (x+4) + (x+5) = 519
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6x + 15 = 519
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6x = 504
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x = 84
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*****************************
Our sequence is
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84, 85, 86, 87, 88, 89
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The third integer is 86
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8 of his marbles are red
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8% of the employees at a shop work part-time.
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3 years ago
Justin wanted to wrap his moms birthday present shaped like a rectangular prism with pretty paper. The box is 2.1 feet long, 2.7
JulijaS [17]

Answer:

42.06 ft²

Step-by-step explanation:

          2 sides = 2(2.7 ft × 3.2 ft) = 2 × 8.64 ft² =   17.28 ft²

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Top + bottom =   2(2.1 ft × 2.7 ft) = 2 × 5.67 ft² =   <u>11.34 ft² </u>

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