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3 years ago

Identify the volume and surface area of the sphere

Mathematics

1 answer:

nadezda [96]3 years ago

7 0

volume = 4/3 x PI x r^3

in terms of pi. multiply r^3 x 4/3 = 18432PI

surface area = 4pir^2

in terms of pi multiply r^2 x 4 = 2304PI

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If x = 2y = 3 <br>find xy-y+ x × x

olga_2 [115]

Answer:

here ....x = 2 and y = 3

$= xy - y + x \times x$

$= 2 \times 3 - 3 + 2 + 2 \times 2$

$= 6 - 3 + 2 + 4$

$= 12 - 3$

$= 9$

4 0

2 years ago

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3 years ago

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3 years ago

The students in Mr. Nolan's class are writing expressions for the perimeter of a rectangle of side length ? and width w.

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2 years ago

Heeeeeeeeeeeeeeeeeeepl

DIA [1.3K]

Answer:

Hi there!

Your answer is;

i) 400% of 240

240 is 100%

× 4

960= 400%

ii) 40% of 240

100% = 240

/100

1% = 2.4

× 40

40% = 96

iii) 4% of 240

100% is 240

/100

1% = 2.4

× 4

4% = 9.6

iv) .04% of 240

100% = 240

/100

1% = 2.4

/100

.01% = .024

× 4

.04% = .096

b) the patterns is that all these numbers equal sometime 96. Each of these have a different decimal place, but have the same actual numbers.

c) 4000% = 240

take the pattern:

400% is 960

Scale it up to 4000 by 10

400% is 960

× 10

4000% is 9600

Hope this helps!

5 0

3 years ago