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3 years ago

Of the 168 hours in a week, as a full time student, you should spend how many hours per week on school work?

Mathematics

1 answer:

bonufazy [111]3 years ago

6 0

I like to use 8 hours of school a day so thats 21 a week but all people are different so at most 36 hours a week

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GIVING BRAINLIEST! A rectangular garden has a width of 10 feet and a length of 14 feet. A cement walkway is added around the out

Serjik [45]

Given:

Width of a garden = 10 feet

Length of the garden = 14 feet

Area of the garden and the walkway together = 396 square feet.

To find:

The width of the walkway.

Solution:

A cement walkway is added around the outside of the garden.

Let x be the width of the walkway.

The width of the garden with walkway = 10+2x

The length of the garden with walkway = 14+2x

Area of a rectangle is

$Area=length\times width$

Area of garden and the walkway together is

$Area=(14+2x)\times (10+2x)$

$396=140+28x+20x+4x^2$

$396=140+48x+4x^2$

$396=4(35+12x+x^2)$

Divide both sides by 4.

$99=35+12x+x^2$

$0=35-99+12x+x^2$

$0=-64+12x+x^2$

Splitting the middle term, we get

$x^2+16x-4x-64=0$

$x(x+16)-4(x+16)=0$

$(x+16)(x-4)=0$

Using zero product property, we get

$(x+16)=0\text{ and }(x-4)=0$

$x=-16\text{ and }x=4$

Width of walkway cannot be negative. So, x=4.

Therefore, the width of the walkways is 4 feet.

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Answer:

Step-by-step explanation:

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katovenus [111]

<span>1.69 divide by 1000</span><span> =0.00169

169/100 = 1.69 meters
1690/1000=1.69
so the first one is not same
hope it helps</span>

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Of the 168 hours in a​ week, as a full time​ student, you should spend how many hours per week on school​ work?

Of the 168 hours in a week, as a full time student, you should spend how many hours per week on school work?