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FromTheMoon [43]
3 years ago
7

What is the value of the expression below? 2[3(42+1)]-23

Mathematics
2 answers:
AlekseyPX3 years ago
7 0

Answer:2[3(4^2 + 1)] - 2^3

2[3 x (16+1)] - 2^3

2[3 x 17] - 8

2(51) -8

102 - 8

94 The answer is 94

Step-by-step explanation: To evaluate (find the value of this expression), you will evaluate what is in the middle set of parentheses first. You can evaluate powers at the same time as if the are outside the parentheses. Follow this with the outside parenthesis

Next evaluate all multiplying or dividing left to right.  

Finally, add or subtract left to right.

s2008m [1.1K]3 years ago
4 0

Answer:

235

Step-by-step explanation:

42+1

43

3 times 43

129

129 times 2

258

258-23

235

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3 years ago
Ms. Ramirez has a class of 15 students. She can spend $18 on each student to buy math supplies for the year. She first buys all
Aloiza [94]

Answer:7.775

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There were 26 students in the classroom. 14 of the students went to the cafeteria and the rest went to the gym. What percentage
OverLord2011 [107]

Answer:

About 53% percent of the students went to the cafeteria.

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