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4 years ago

8

5 < 4x = 2> 3x PLEASE HELP

1 answer:

Galina-37 [17]4 years ago

8 0

Looks fishy to me, the way this problem combines <, = and > symbols.

But anyway. Subtract 3x from both sides. You'll get

5 < x = 2 > 0 2 > 0 is true, but that's a different type of math problem (true or false). If you decide to substitute '1' for 2 > 0, then the "1" says "TRUE."

Then 5 < x = true, so you must find x values that are larger than 5.

That would be (5, infinity)

Please go back and ensure that you have copied down the original problem exactly as it appears.

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Answer: 8.3 feet

We know the area of 1 tile is:

$1tile=1ft^{2}$ (1)

We also know Jack used 103.75 tiles to cover the whole bathroom floor, which is a rectangle.

Remembering (1), we have that:

$103.75tiles=103.75ft^{2}$ (2)

Which is also the area of the rectangle from which we only have the value of one of its sides, the width $w$ :

$w=12.5ft$ (3)

In addition, the area $A$ of a rectangle is given by the following equation:

$A=w.l$ (4)

Where $l$ is the length.

Substituting the value of the width written in (3) and the area (2) in equation (4):

$103.75ft^{2}=(12.5ft)l$ (5)

We finally have the value of the length of the bathroom floor:

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3 years ago

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Amanda [17]

(55 km/h) * (1 mi)/(1.609344 km) ≈ 34.2 mi/h

_____
You can do units conversions pretty easily by multiplying by a conversion factor whose value is 1. That is, since
.. 1 mi = 1.609344 km
dividing by the left side we have
.. (1 mi)/(1.609344 km) = 1
This factor has the convenience that it will cancel km and give mi when multiplied by some number off km. That is what we did above. (The "per hour" just went along for the ride. It did not get involved in the units conversion.)

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4 years ago

Avanelle is walking around a track that is 400 yards long. She has walked around the track 7 times so far. How many more yards d

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Answer:

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now subtract :

3,520-2,000= 1,520 yards

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Step-by-step explanation:

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6 0

3 years ago

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