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Dmitriy789 [7]
3 years ago
15

The lenght of a rectangular classroom floor is 19 feel less than twice the width which expression repersents the area of the cla

ssroom floor
Mathematics
1 answer:
lora16 [44]3 years ago
8 0
W*(2w-19)=A. Just make the width a variable and write out the relationship it has with the length
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How would I solve this
irinina [24]

Answer:

  • 570 mph
  • 610 mph

Step-by-step explanation:

Let x represent the speed of the slower plane. The faster plane's speed is then x+40. The sum of speeds is ...

   x + (x+40) = 1180

  2x = 1140 . . . . subtract 40

  x = 570 . . . . . .divide by 2

  x+40 = 610 . . . . the speed of the faster plane

The two speeds are 570 mph and 610 mph.

7 0
3 years ago
41/17 rounded to the nearest tenth
scoundrel [369]

Answer:

2.4

Step-by-step explanation:

8 0
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The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price. Find the dis
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Step-by-step explanation:

8 0
2 years ago
What is 19 percent of 72
PIT_PIT [208]
To do this multiply 72 by 0.19.  This will give you 13.68.
8 0
3 years ago
Read 2 more answers
Please help me I need help
dsp73

Answer:

i think it would be 87% i have been working on ths for a mnet and it got confusing for a sec i may be rong but i am pretty shure that this is the answer

btw i cant spell

Step-by-step explanation:

8 0
3 years ago
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