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dolphi86 [110]
3 years ago
13

Fernando paid 2.80 for potatoes .Potatoes cost 0.25 per pound . How many pounds of potatoes did Fernando buy?

Mathematics
2 answers:
Marta_Voda [28]3 years ago
8 0
Fernando bought 11.2 pounds of potatoes.
sleet_krkn [62]3 years ago
6 0
Since Fernando paid 2.80 you divide 2.80 by the cost per pound (.25) so you divide 2.80 by .25 which equals 11.2 so Fernando bought 11.2 pounds of potatoes.
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A ladder that is 13 meters long is leaning against a wall. The distance between the foot of the ladder and the wall is 7 meters
Maksim231197 [3]
<h2>Answer:</h2>

The equation that is used to model the length of ladder in terms of x is:

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<h2>Step-by-step explanation:</h2>

We can model this problem with the help of a right angled triangle whose hypotenuse is 13 meters and the other two legs are x meters and (x-7) meters.

where x is the distance between the top of the ladder and the ground.

and (x-7) is the distance between the foot of the ladder and the wall.

Hence, using Pythagorean Theorem we have:

13^2=x^2+(x-7)^2\\\\i.e.\\\\169=x^2+x^2+49-14x\\\\i.e.\\\\169=2x^2-14x+49\\\\i.e.\\\\2x^2-14x+49-169=0\\\\i.e.\\\\2x^2-14x-120=0\\\\i.e.\\\\x^2-7x-60=0

                 Hence, the answer is:

                  x^2-7x-60=0

7 0
3 years ago
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2+2 (I have been struggling on this for a long time)
Dmitry [639]
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2 years ago
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Step-by-step explanation:

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6 0
3 years ago
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ser-zykov [4K]

9514 1404 393

Answer:

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The bottom platform has dimensions 2m × 4m × 3m, so a volume of ...

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6 0
3 years ago
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