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Natalka [10]
2 years ago
6

A garden has an area of 286ft. It’s length is 9ft more than it’s width. What are the dimensions of the garden?

Mathematics
1 answer:
Gelneren [198K]2 years ago
3 0

Answer:

13

Step-by-step explanation:

  • x × (x + 9) = x² + 9x = 286
  • x² + 9x - 286 = 0
  • (x - 13)(x + 22)
  • x = 13 or -22
  • Since you cannot have negative length, it’s 13
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A train traveled 210 mi in 3.5 h to its first stop. It then continued on traveling another 130 mi in 2.5 h.
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Answer:

56.7 ​ mi/h​


Step-by-step explanation:

The formula for average speed is:

Average Speed = \frac{TotalDistance}{TotalTime}


Thus we have:

Average Speed = \frac{210+130}{3.5+2.5}\\=\frac{340}{6}\\=56.66 mph


<em>Rounding to the nearest tenth, we have </em>

Average Speed = 56.7 mi/h

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How would you explain the proper use of distributive property ? ​
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3 0
3 years ago
The length of a shadow of a building is 30 m. The distance from the top of the building to the tip of the shadows is 36 m. Find
kupik [55]

Answer:

46.86

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Two fifth of a certain number is 30 what is the number?
vesna_86 [32]
<h2>75</h2>

- - - - - - - - - - - - - - - - - - - - - - - -

Beginning with an "If-then" statement ⇣

<em>If </em><em>2/5 = 30 </em><em>then</em><em> 1/5 = 15</em>

Now we have 1/5, let's make it 1 by multiplying x5.

<em>15 x 5 = </em><em>75</em>

- - - - - - - - - - - - - - - - - - - - - - - -

Good luck! :)

~pinetree

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3 years ago
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