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makkiz [27]
3 years ago
12

What’s the surface area in square centimeters???

Mathematics
1 answer:
choli [55]3 years ago
3 0

Answer: 1029

Step-by-step explanation:

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Luigi is an urban planner. As an independent contractor, he charges a $140 fee plus $25 per hour for each contract with the city
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25x+140=y. 25(10)+140=390.
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What is the final elevation if a butterfly starts at 20 m and changes -16 m
Fofino [41]

Answer:

Therefore the final elevation of the butterfly is 4 m.

Step-by-step explanation:

i) initial elevation = 20 m

ii) change in elevation = -16m

iii) therefore final elevation = initial elevation + change in elevation

               =   20 m + (-16 m)  

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What is 4/4 reduced to lowest form
musickatia [10]
4/4=1

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3 years ago
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Work out x when the area is root 4 2^2 and angle C is 45 and ab are (x+2)(2x-3)
aleksandrvk [35]

Answer:

  • x = 2.41

Step-by-step explanation:

<u>Area formula:</u>

  • A = 1/2bh

<u>The height is:</u>

  • h = (x + 2)sin 45° = √2(x + 2)/2

<u>Substitute the area value an set an equation:</u>

  • 4√2 = (2x - 3)√2(x + 2)/2
  • (2x - 3)(x + 2) = 8
  • 2x² + x - 6 = 8
  • 2x² + x - 14 = 0
  • D = 1 + 4*2*14 = 113
  • x = (-1 + √113)/4 = 2.41 (rounded)    

Note. the second root ignored as negative

7 0
2 years ago
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