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DanielleElmas [232]
3 years ago
13

Simplify. 1/3(1−1/4)^2 please

Mathematics
2 answers:
4vir4ik [10]3 years ago
5 0

Answer:

\huge \boxed{\frac{3 }{16}}

\rule[225]{225}{2}

Step-by-step explanation:

\displaystyle \frac{1}{3} (1-\frac{1}{4} )^2

Solving for brackets:

\displaystyle \frac{1}{3} (\frac{4}{4} -\frac{1}{4} )^2

\displaystyle \frac{1}{3} (\frac{3}{4} )^2

Squaring the fraction:

\displaystyle \frac{1}{3} (\frac{3^2 }{4^2 } )

\displaystyle \frac{1}{3} (\frac{9 }{16} )

Multiplying the fractions:

\displaystyle \frac{1 \times 9 }{3 \times 16}

\displaystyle \frac{9 }{48}

Simplifying the fraction:

\displaystyle \frac{3 }{16}

\rule[225]{225}{2}

Strike441 [17]3 years ago
4 0

Answer:

3/16

Step-by-step explanation:

1/3(1-1/4)^2

1/3(3/4)^2

1/3(9/16)

3/16

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10. A road roller takes 750 revolutions to move once to
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Answer:

Step-by-step explanation:

Use consistent units. The length of the roller is 2.8 m. The diameter is 168 cm = 1.68 m

Circumference of roller = 1.68π m

Contact area of roller = 1.68π × 2.8 = 4.704π m²

Each rotation levels 4.704π m² of the playground.

Area of playground = 750 rotations × (4.704π m²)/rotation

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7 0
3 years ago
Which of the following is the surface area of the right cylinder below?
Evgen [1.6K]
The formula for the surface area of a right cylinder is 2πrh + 2πr^2. r is the radius, and h is the height.


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The formula is now 2π4h + 2π4^2.


Next, plug in the height, 8 for h.



Now we have 2π4(8) + 2π4^2, which is approximately 301.59.


The surface area is 301.59. (Unit of measure was not specified)



Hey Braniac! Thanks for your question! Don't forget to rate and give me the brainliest answer! Then, I can help you with all your problems! ^-^ ~

5 0
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