3 years ago

Find the area of this circle. Use 3 for . A = r2 12 cm [?] cm2

Mathematics

1 answer:

rodikova [14]3 years ago

3 0

Answer:

452.16 cm²

Step-by-step explanation:

Given :-

Radius = 12cm .

To find :-

Area of circle .

Solution :-

As we know that ,

A = πr²
A = 3.14 * (12 cm)²
A = 3.14 * 144cm²
A = 452.16 cm²

You might be interested in

P(1)x=2x² + 2x²x²–5x-4

Eva8 [605]

Answer:

The answer is -5 ❤️

7 0

3 years ago

week european tour usually cost $870 on a certain website . During a slow period it is being offered for $261 less. What percent

Vesnalui [34]

Percent of the original cost

usually cost =$870

slow period =$261

=261/870x100

=30%

6 0

3 years ago

-4x - 2y = -12 4x + 8y = -24 Solve the system by elimination.

sesenic [268]

6,-6

Explanation: plug 6 in for x and -6 for y to get your answer.

4 0

3 years ago

Read 2 more answers

Please answer asap! show work! 11. What is (f.g)(x)? f(x) = x3 +3 g(x) = 2x2 + x - 1

Ksenya-84 [330]

Answer:

2x⁵ + x⁴ - x³ + 6x² + 3x - 3

Step-by-step explanation:

Given :

f(x) = x³ + 3
g(x) = 2x² + x - 1

Finding (f × g)(x) :

f(x) × g(x)
(x³ + 3)(2x² + x - 1)
2x⁵ + 6x² + x⁴ + 3x - x³ - 3
2x⁵ + x⁴ - x³ + 6x² + 3x - 3

6 0

2 years ago

What is the value of x in the triangle? Round your final answer to the nearest hundredth

lara [203]

Given:

In a right angle triangle,

Hypotenuse = 25 cm

Base = x

Angle between base and hypotenuse = 18 degrees.

To find:

The value of x.

Solution:

In a right angle triangle,

$\cos \theta =\dfrac{Base}{Hypotenuse}$

In the given right triangle,

$\cos (18^\circ) =\dfrac{x}{25}$

$\cos (18^\circ) \times 25=x$

$0.9510565 \times 25=x$

$23.7764125=x$

Round the answer to the nearest hundredth (two decimal).

$x=23.78$

Therefore, the value of x is about 23.78 cm.

6 0

3 years ago