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-BARSIC- [3]
3 years ago
15

In 2003, the population of an African country was about 9.9 million people, which is 3 million more than 3

Mathematics
1 answer:
Nikolay [14]3 years ago
4 0
The answer is 12.9 Ndjdjdjekndbfjdjdbbdjdjdjdnndbdbdnndjdjdjdjdjdndndnjddjndndjdkdksndndndndndmndndndndndndndndnd
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The Hiking Club plans to go camping in a State park where the
ozzi

Answer: Probability is 0.00205 = 0.205%

Step-by-step explanation: P(rain) = 0.71, P(no rain) = 0.29.

P(no rain in 5 days)= 0.29·0.29·0.29·0.29·0.29= 0.00205

5 0
3 years ago
Hem dibuixat tres rectangles. En el primer, la llargada mesura 3 cm més que l'amplada. El segon i tercer rectangle tenen unes di
quester [9]

Resposta:

Primer rectangle:

Amplada = 11

Longitud = 14

Segon rectangle:

Amplada = 12

Longitud = 15

Tercer rectangle:

Amplada = 13

Longitud = 16

Explicació pas a pas:

Donat que:

Primer rectangle:

Amplada = x

Longitud = x + 3

2n rectangle:

Augment de la dimensió d'1 cm respecte al primer rectangle;

Amplada = x + 1

Longitud = x + 4

3r rectangle:

Augment de la dimensió de 2 cm respecte al primer rectangle;

Amplada = x + 2

Longitud = x + 5

Suma dels tres perímetres del rectangle:

Perímetre d'un rectangle: 2 (l + O)

Primer rectangle:

2 (x + x + 3) = 2 (2x + 3) = 4x + 6

2n:

2 (x + 1 + x + 4) = 2 (2x + 5) = 4x + 10

3r:

2 (x + 2 + x + 5) = 2 (2x + 7) = 4x + 14

Suma de perímetres = 162

(4x + 6 + 4x + 10 + 4x + 14) = 162

12x + 30 = 162

12x = 162 - 30

12x = 130

x = 11

Per tant,

Primer rectangle:

Amplada = 11

Longitud = 11 + 3 = 14

2n rectangle:

Amplada = 11 + 1 = 12

Longitud = 11 + 4 = 15

3r rectangle:

Amplada = 11 + 2 = 13

Longitud = 11 + 5 = 16

8 0
3 years ago
Diego measured the number of cups of water in 15 bottles of various sizes. He made this line plot to show how many of each size
djyliett [7]

Answer:

A plot would be very useful to solve the question.

Step-by-step explanation:

8 0
3 years ago
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$4,700 is invested in an account earning 6.2% interest (APR), compounded
pickupchik [31]

Answer:

(5 x (-20)) * (100 x (0.7))

4 0
2 years ago
What equations have z=4​
natita [175]
<h2>Just some examples...</h2>

2z+4=12

2(4)+4=12

<em>8+4=12</em>

____________

5z*2=40

5(4)*2=40

<em>20*2=40</em>

<h2 />
6 0
3 years ago
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