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3 years ago

In one particular suburb, there are 12 families that own a bulldog. If there are a total

Mathematics

1 answer:

Lelechka [254]3 years ago

3 0

Answer: 30%

Step-by-step explanation:

There are 12 families that own a bulldog and there are total of 40 families that own a dog. Percentage of dogs owners with a bull dog can be written as:

Number of bulldog owners/Total number of dog numbers × 100

= 12/40 × 100

= 3/10 × 100

= 30%

The percentage of bulldog owners is 30%.

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The dimensions of the iphone are 2 inches by 7 inches.

Step-by-step explanation:

Given that,

The dimensions of an iPhone are x – 2 and x + 3.

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$A=l\times b\\\\(x-2)(x+3)=14\\\\x^2-2x+3x-6=14\\\\x^2+x-6-14=0\\\\x^2+x-20=0\\\\x^2+5x-4x-20=0\\\\x(x+5)-4(x+5)=0\\\\(x-4)(x+5)=0\\\\x=4\ and\ x=-5$

Neglecting negative value

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3 years ago