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LekaFEV [45]
3 years ago
13

Step Statement Reason

Mathematics
1 answer:
Julli [10]3 years ago
6 0
Hello,
Please, see the attaced file.
Thanks.

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the diagram shows a circle drawn inside a square 12cm the circle touches the edges o the square. calculate the shades area. take
lyudmila [28]

Answer:

30.89cm³

Step-by-step explanation:

Given that:

Side length, s of square = 12cm

Area of square = s² = 12² = 144cm²

Since the circle touches the edge of tbe square, then the diameter of the circle = side length of square = 12 cm

Area of a circle = πr²

Radius, r = diameter / 2 = 12/2 = 6cm

A = 3.142 * 6^2

A = 3.142 * 36

A = 113.112 cm²

Area of shaded portion = area of square - area of circle

= 144cm² - 113.112cm³

= 30.89cm³

6 0
3 years ago
PLEASE HELP ME!!!!!! please show ALL work below
Monica [59]

What is the question?

7 0
3 years ago
What is 80 to the power 4
Mama L [17]
40960000


To find the answer, you multiply 80 by itself 4 times as follows:

80 x 80 x 80 x 80 =

And you get the answers which is
4 0
2 years ago
ILL GIVE BRAINLIEST !! RANDOM ANSWERS WILL BE REPORTED!!
kap26 [50]

Answer:

15. 1

16. 1

17. X

18. ?

19. 1

20. p

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Please help!!! I'll give 25 points plus brainliest.
Vladimir79 [104]

Answer:

(b) 26.6 days

Step-by-step explanation:

Half life, T =  4 days

initial amount, No = 100 mg

(a) The exponential function is given by

N = No e^{-\lambda t}\\\\N = No e^{\frac{-0.693t}{T}}\\\\N = No e^{\frac{-0.693t}{4}}\\\\N = No e^{\frac{-0.17325t}{T}}\\\\

where, N is the amount left.  

(b) N = 1 mg

N = No e^{\frac{-0.17325t}{4}}\\\\1 = 100 e^{\frac{-0.17325t}{4}}\\\\4.605 = 0.17325 t \\\\t=26.6 days

6 0
3 years ago
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