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zloy xaker [14]
3 years ago
11

Question 1&2 with explanation. Pls fast , no useless and nonsense answers pls

Mathematics
1 answer:
Pavlova-9 [17]3 years ago
8 0

Answer: #1 - A. 210m, #2 - B. 21,39

  1. First, find the width by using the equation 2450 = 2x * x. Multiply the like terms, which results in 2450 = 2x^2. Now, divide both sides by 2, which is 1225 = x^2. The square root of 1225 is 35. Now, to find the perimeter, the equation should be P = 2(70+35). 40 + 35 = 105, and 105*2 = 210. Therefore, the perimeter is A. 210 m
  2. Number 2 is asking what number added by x would result in a perfect square. The first numbers in each of the options for the question so see which one creates a perfect square after it is added to 1500.
  • √ 1500 + 56 = 2 √ 389
  • √ 1500 + 21 =  39
  • √ 1500 + 38 = √ 1538
  • √ 1500 + 39 = 9 √ 19    
  • B. 21, 39 would be the correct answer because it is the only perfect square.
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