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Nady [450]
3 years ago
14

Find the area of a circle with radius 2cm, leave your answer in terms of pi

Mathematics
2 answers:
vaieri [72.5K]3 years ago
5 0

Answer:

Area = 4 \pi \ cm^2

Step-by-step explanation:

Area = \pi r^2 = \pi \times 2^2  = 4 \pi \ cm^2

snow_tiger [21]3 years ago
5 0

Answer:

A = 4 cm squaree

this us because u multiply π r and square it. sorry if it's confusing

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Which expression is equivalent to (256x16)1/4
nikitadnepr [17]

Answer:

4x^{4}

Step-by-step explanation:

Given in the question an expression,

(256x^{16})^\frac{1}{4}

As we know that,

x^{\frac{1}{4} }= \sqrt[4]{x}

so

\sqrt[4]{256x^{16} }

it could also be written as

\sqrt{\sqrt{256x^{16} } }

First to solve inner square root

\sqrt{256x^{16} } = 16x^{16/2}

\sqrt{16x^{8} }

Second outer square root

\sqrt{16x^{8}}=4x^{8/2}=4x^{4}

7 0
3 years ago
Graph the equation: y = 2/3x - 4
Sveta_85 [38]

Answer:

(0,-4)(6,0)

Step-by-step explanation:

Put a point where the coordiantes say to, then draw a straight line connecting them.

If you need help on questions like this, download the app DESMOS

7 0
3 years ago
Every day you eat 1/4 cup of cereal. Your brother eats 5 times as much. How many cups of cereal does your brother eat?
soldier1979 [14.2K]

Answer:

5/4 cups, or 1&1/4 cups

Step-by-step explanation:

You eat 1/4 cups of cereal, and your brother eats 5 times as much. You eat 1 fourth of 1 cup, and he eats 5 times 1 fourth of 1 cup. 1 times 5 is 5, which means he eats 5 fourths of 1 cup of cereal. Since he eats 5 fourths of 1 cup, and four fourths make a 1, he eats 1 cup of cereal, plus another fourth of a cup. Your brother eats 1 and 1 fourth cups of cereal.

1 / 4 x 5 =  ( 1 x 5 ) / 4

5 / 4 = ( 4 / 4 ) + ( 1 / 4 )

1 + ( 1 / 4 ) or 1 & ( 1 / 4 )

3 0
4 years ago
Read 2 more answers
Solve for x. I need help for this.
Vadim26 [7]

Answer:

x=21.1

Step-by-step explanation:

m1 + m2 = 180

(4x-11)+(6x-20)=180

10x-31=180

x=21.1

7 0
1 year ago
Dinner at your grandfather's favorite restaurant now costs $25.25 and has been increasing steadily at 4% per year. How much did
andrew-mc [135]
Why would my grandfather charge me to eat at his restaurant? I’m family aren’t I?
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3 years ago
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