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2 years ago

2 3/4 gallons =_________1/2 gallonplease show work

1 answer:

5 0

Unclear what you want. Do you want to calculate the number which, when mult. by "1/2 gallon," produces "2 3/4 gallons?"

If so: Call that number x. Then

2 3/4 gal 11/4 gal
--------------- = x = ------------- = 11/2
1/2 gal 2/4 gal

in which case your "2 3/4 gallons =_________1/2 gallon" becomes

2 3/4 gallons = (11/2)*(1/2 gallon), read as "5 and one half half gallons."

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Find the area of the largest square contained by a circle of radius r = 1cm. Explain your answer and justify that it is correct.

Elena-2011 [213]

Answer:

2 square cm

Step-by-step explanation:

Given :

A square is inscribed in a circle whose radius is r = 1 cm

Therefore, the diameter of the circle is 2 r = 2 x 1

= 2 cm.

So the diagonal of the square is 2r.

Using the Pythagoras theorem, we find each of the side of the triangle is $r \sqrt 2$ .

Therefore, the area of the square is given by $\text{(side)}^2$

= $(r\sqrt 2)^2$

$= 2 r^2$

$= 2 (1)^2$

$=2 \ cm^2$

Hence the area of the largest square that is contained by a circle of radius 1 cm is 2 cm square.

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2 years ago

What is the mathematical expression for the sum of 2 times 2 and 5 times 6

expeople1 [14]

2x2=4, 5x6=30
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3 years ago

Draw a diagram for this fraction 2 2/3

LiRa [457]

Answer:

OOO

Step-by-step explanation:

Where OOO is == 1.

OO is 2/3 of OOO.

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