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3 years ago

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Ricky is on a bicycle trip.every 4 days he bikes 230km. If Rick keeps his same pace for 16 days how many kilometers will he bike

2 answers:

Oksana_A [137]3 years ago

6 0

Every 4 days he bikes 230 km. 4+4+4+4=16 days. You will find the km 230x4=920 km

Arlecino [84]3 years ago

3 0

He will bike 920 km because 4 days time 4 equals 16 days and 230 km times 4 equals 920 km.
plz give mw brainliest if this helped

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<u>Complete Question:</u>

Janeel has a 10 inch by 12 inch photograph. She wants to scan the photograph, then reduce the results by the same amount in each dimension to post on her Web site. Janeel wants the area of the image to be one eight of the original photograph. Write an equation to represent the area of the reduced image. Find the dimensions of the reduced image.

<u>Correct Answer:</u>

A) $(10-x)(12-x)=15$

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<u>Step-by-step explanation:</u>

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Let the reduced dimensions is by x , So the new dimensions are

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According to question , Area of new image is :

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Let's solve : $(10-x)(12-x)=15$

⇒ $120-10x-12x+x^2=15$

⇒ $120-22x+x^2=15$

⇒ $x^2-22x+105=0$

By Quadratic formula :

⇒ $x = \frac{-b \pm \sqrt{b^2-4ac} }{2a}$

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⇒ $x = \frac{22 +8 }{2} , x = \frac{22 -8 }{2}$

⇒ $x = 15 , x =7$

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⇒ $x =7$

Therefore, Dimensions are : Length = 10-x = 3 inch , Breadth = 12-x = 5 inch

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