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3 years ago

80.4 kilometers to meters

Mathematics

1 answer:

Mice21 [21]3 years ago

5 0

There are 1000 meters in one kilometer, so we have 80.4*1000=80400 meters.

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Round this number ton the nearest thousandth 4.9675

Lera25 [3.4K]

(4.9675) rounded to the nearest thousandth is 4.968.

3 0

3 years ago

A square has a side that measures 55 units. What is the area of a circle with a circumference that equals the perimeter of the s

Taya2010 [7]

<h3><u>Given</u>:-</h3>

$\rightarrow$ Side of square = 5.5 units.

$\rightarrow$ Circumference of circle = perimeter of square.

$\rightarrow$ Area of circle.

<h3><u>Solution</u>:-</h3>

$\rightarrow$ To find the area of circle firstly we have to find the perimeter of the square, then we will find the radius of circle and after that area of circle. So, let's begin:

$\rightarrow$ Perimeter of square = $\sf{4×side}$ (putting the value of side from the above given)

$\rightarrow$ $\sf{=\: 4 × 5.5}$

$\rightarrow$ $\sf{=\: 22units.}$

Therefore, perimeter of square = 22units.

Now, according to the question, perimeter of square = circumference of the circle. So, circumference of circle = 22units.

Now, using the formula of circumference of circle we can find the radius.

$\rightarrow$ Circumference of circle = $\sf{2πr}$ (putting the value of perimeter)

$\rightarrow$ $\sf{22\:=\: 2×3.14×r}$

$\rightarrow$ $\sf{22\:=\: 6.28×r}$

$\rightarrow$ $\sf{\frac{22}{6.28}\:=\: r}$

$\rightarrow$ $\sf{3.50units\:=\: r}$

Therefore, radius of circle = 3.50units.

Now, let's find area of the circle:

$\rightarrow$ Area of circle = $\sf{πr^2}$

$\rightarrow$ $\sf{πr^2}$ (putting the value of pie(π) and radius(r))

$\rightarrow$ $\sf{3.14×3.50^2}$

$\rightarrow$ $\sf{3.14×12.25}$

$\rightarrow$ $\sf{38.46unit^2}$

Therefore, area of circle = $\sf{38.46unit^2}$

4 0

2 years ago

Read 2 more answers

Help pleaseee asapppp

velikii [3]

Hellooo cutieeee pieee

6 0

3 years ago

1 point

erik [133]

Answer:

$1806.06 million

Step-by-step explanation:

-This is a question of proportionality.

We are given that 13.2% is equivalent to $238.4 million in chocolate expenses

-To find the total value of chocolate expenditurerealized, we divide $238.4 million by 13.2%:

$Total\ sales=\frac{238.4}{0.132}\\\\=\$1806.06\ million$

Hence, the total amount spent on chocolate is $1806.06 million

7 0

3 years ago

For example #1 what is the solution

Alex73 [517]

Answer: what is example 1

Step-by-step explanation: what is it

3 0

3 years ago