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3 years ago

. The length, breadth, height of a

Mathematics

1 answer:

Sveta_85 [38]3 years ago

5 0

the answer is 2475 dollars

step by step

5.5 times 4.5 times 2 = 49.5m squared

then multiply 49.5 by 50 (bc we have the m squared and we have the price per meter) to get 2475 dollars

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The volume of a spherical sculpture is 256 ft³. Rhianna wants to estimate the surface area of the sculpture. To do the estimate,

Brrunno [24]

Answer:

192 $ft^2$

Step-by-step explanation:

Given that

Volume of spherical sculpture = 256 ft³

$\pi$ is used as 3.

To find:

Surface area of sculpture = ?

Solution:

First of all, let us learn about the formula for Volume and Surface Area of Sphere:

1. $Volume =\frac{4}{3}\pi r^3$

2. $Surface\ Area = 4\pi r^2$

Given volume is 256 ft³.

$256 = \dfrac{4}{3}\pi r^3\\\Rightarrow 256 = \dfrac{4}{3}\times 3 r^3\\\Rightarrow 256 = 4 r^3\\\Rightarrow r^3=64\\\Rightarrow \bold{r = 4\ ft}$

Now, let us put r = 4 in the formula of Surface Area to find the value of Surface Area:

$Surface\ Area = 4\pi 4^2 = 4 \times 3 \times 16 = \bold{192\ ft^2}$

So, approximate surface area of sculpture is 192 $ft^2$ .

3 0

2 years ago

What is 7 divided by 1/9

MakcuM [25]

The answer 0.777777777

8 0

3 years ago

Read 2 more answers

Will give brainliest if you answer first and correctly

maria [59]

Answer:

a=14/3

a=4.6

Step-by-step explanation:

a+5 2/3=9

a+ 15/3-2/3=9

a+ 13/3=9

Subtract 13/3 from both sides

a=14/3

a=4.6

6 0

2 years ago

Y=10,000(0.97)x predict purchasing power of $10,000 ten years later

Maksim231197 [3]

Answer:

It will be $7602.3

Step-by-step explanation:

The equation $y = 10000(0.97)^{x}$ gives the purchasing power of $10000 after x years.

Therefore, the sum of money $10000 will value $10000(0.97)^{x}$ after x number of years.

Now, after 9 years i.e. x = 9 years, the sum value of $10000 will become $y = 10000(0.97)^{9} = 10000 \times 0.76023 = 7602.3$ dollars. ( Answer )

8 0

2 years ago

during the summer holidays your brother and extra money mowing lawns he mows six lines an hour and has 21 lawns to mow how long

kiruha [24]

It will take him 3 hours and 30 mins

7 0

2 years ago

Read 2 more answers