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chubhunter [2.5K]
3 years ago
15

Dirk ordered a circular pizza that was 16 inches wide. If dirk ate a quarter of the pizza how many square inches of the pizza di

d he eat?
Mathematics
2 answers:
svetlana [45]3 years ago
4 0
4 inches. You divide 16 by 4 because a something in quarters is 4 pieces.
harkovskaia [24]3 years ago
3 0
50.25
you have to find the area of the pizza first.
to do that you take half of the diameter 16
to get the radius 8
once you have the radius you square it 8*8 = 64
you than multiply it by pie 3.14
and get 200.95 or if you round 201
if you rounded you would get 50.25 if you didn't
than you would get. 50.24
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Please, see the attached file.
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3 years ago
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2(d − 6) − 3 = 1 solve for d
andrey2020 [161]

Answer:

<em><u>d = 8</u></em>

Step-by-step explanation:

2(d -6) - 3 = 1

           +3  +3

2(d-6) = 4

/2          /2

(d-6) = 2

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5 0
2 years ago
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Mohamed decided to track the number of leaves on the tree in his backyard each year The first year there were 500 leaves Each ye
svetlana [45]

Answer:

The required recursive formula is

f(n)= 500\times(1.4)^{n-1}\\

Step-by-step explanation:

Mohamed decided to track the number of leaves on the tree in his backyard each year.

The first year there were 500 leaves

Year \: 1 = 500

Each year thereafter the number of leaves was 40% more than the year before so that means

Year \: 2 = 500(1+0.40) = 500\times 1.4\\

For the third year the number of leaves increase 40% than the year before so that means

Year \: 3 = 500\times 1.4(1+0.40) = 500 \times 1.4^{2}\\

Similarly for fourth year,

Year \: 4 = 500\times 1.4^{2}(1+0.40) = 500\times 1.4^{3}\\

So we can clearly see the pattern here

Let f(n) be the number of leaves on the tree in Mohameds back yard in the nth year since he started tracking it then general recursive formula is

f(n)= 500\times(1.4)^{n-1}\\

This is the required recursive formula to find the number of leaves for the nth year.

Bonus:

Lets find out the number of leaves in the 10th year,

f(10)= 500\times(1.4)^{10-1}\\\\f(10)= 500\times(1.4)^{9}\\\\f(10)= 500\times20.66\\\\f(10)= 10330

So there will be 10330 leaves in the 10th year.

3 0
3 years ago
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Help please!!! A bag contains 50 marbles, 10 of which are blue, 8 are red, 20 are green, and 12 are purple. Marcie takes a marbl
Andru [333]

Answer:

A


Step-by-step explanation:

We would need to multiply the number of trials (which is 500) by the probability of choosing a red in 1 try from the information given.


<em>There are 50 in total, and 8 of them are red, so:</em>

P(red) = \frac{8}{50}=0.16


<em>Now we multiply this with 500 to get:</em>

500*0.16=80


The correct answer is A.

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3 years ago
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