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dalvyx [7]
3 years ago
13

The radius of a circle is 19 km what is the circles area using 3.14 for pie

Mathematics
2 answers:
Sholpan [36]3 years ago
5 0

Answer:

1133.54 or 361 pi

Step-by-step explanation:

19^2*pi

Butoxors [25]3 years ago
4 0

Answer: 1133.54

Step-by-step explanation:

The formula to find the area of a circle is \pi times the radius squared. The radius here is 19 so in order to square 19 you have to do 19x19 which is 361. Then, just multiply 361 by 3.14 and you should get 1133.54 as your final answer. Hope this helps!

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A nest of ants has been growing exponentially in such a way that its population, P, as a function of w weeks is given by P(w)=24
Hunter-Best [27]

Answer:

0.9%

Step-by-step explanation:

Given that:

A nest of ant is represented by the exponential growth function :

P(w)=24,000(1.063)^w

Where w = number of weeks

Recall :

Growth function is generally represented as :

P(t) = A(1 + r)^t

Where ; A is the initial population figure; r = growth rate and t = time

Hence, the growth rate per week of the function given is :

(1 + r) = 1.063

r = 1.063 - 1

r = 0.063

Number of days in a week = 7

Hence, growth rate per day = r /7

0.063 / 7

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(0.009 * 100%) = 0.9%

8 0
3 years ago
A teenager earns $10 for every 600 square feet mowed in addition to $12 for supplies for each lawn he mows. Which function repre
anzhelika [568]

Answer: b

Step-by-step explanation: 600 is the total so, just do 10x and 12

5 0
2 years ago
Rasida ran 5 more miles than 2 times the number of miles Diallo ran this week. Rasida ran 27 miles this week.
Sholpan [36]

Answer:

11

Step-by-step explanation:

Rasida ran 27 miles total.  she ran 5 more miles than double what Diallo ran.

27-5=22

Now divide 22 by 2 to get how many miles Diallo ran.

7 0
3 years ago
(a) Find the remainder when 15! is divided by 17. (b) Find the remainder when 2(26!) is divided by 29, Thatermine whether 17 is
dlinn [17]

Answer:

Step-by-step explanation:

a) We have 15! as the product of 1 to 15 natural numbers.  Since 17 is prime there will be no factor common to these

By actual division we find

15! (mod 17) =16

From this we deduce

even 16! mod 17 = 16 = -1

According to Wilson theorem

(17-1)! = -1 mod 17

Thus verified 17 is prime

Hence 15! (mod 17) =-1=16

-----------------------

b) 2(26!) is divided by 29

Since 29 is prime

(29-1)! = -1 mod 29

28! = -1 mod 29 = 28

When divided this gives 25 as remainder

4 0
3 years ago
45587000 in standard form
Daniel [21]

Answer:

4.5587

Step-by-step explanation:

this is because standard form of numbers are supposed to be 1 and 9

5 0
3 years ago
Read 2 more answers
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