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enyata [817]
3 years ago
13

Suppose that during the 1990s, the population of a certain country was increasing by 1.7% each year. If the population at the en

d of 1993 was 5.4 million, what was the population at the end of 1994?
Mathematics
1 answer:
dem82 [27]3 years ago
3 0
The answer would be 5.491 million, but can be rounded to 5.5 million.
You might be interested in
Ten less than 5 times the value of a number is equal to 10 times the quantity of
grandymaker [24]

Answer:

52

Step-by-step explanation:

given that the number is a

The expression for Ten less than 5 times the value of a number is given by

5a - 10

10 times the quantity of  12 more than one-fourth of the number.

a/4 is one-fourth  of number

12 more than one-fourth of the number

a/4 + 12

expression for  10 times the quantity of  12 more than one-fourth of the number. is given by

10(a/4 + 12) = 10a/4 + 12*10 = 2.5a + 120

Given that the above two expression are equal

equating them we have

5a - 10 = 2.5a + 120

adding 10 both sides

=>5a - 10+ 10  = 2.5a + 120 + 10

=> 5a = 2.5a + 130

subtracting 2.5a from both sides

=> 5a - 2.5a = 2.5a + 130 - 2.5a

=> 2.5a = 130

dividing both side by 2.5

=> a = 130/2.5 = 52

Thus, value of a is 52

5 0
3 years ago
James earned $361.36 for working last week and $347.85 for working this week. What was the total amount he earned?
Svetach [21]
$709.21
$361.36 for week one + $347.85 for week two = $709.21 total for both weeks
3 0
3 years ago
I need help with the incorrect ones please
Morgarella [4.7K]

Answer:

73.6

61.824

.2776

2.3

1.342

.4129

*note* I had trouble reading the standard deviation of the second part, so if it's not 3 then leave a comment and i will fix it*

Step-by-step explanation:

1.)

the mean would be something like 460*.16= 73.6

The variance should be 460*.16(1-.16)= 61.824 which means the standard deviation is √61.824= 7.863

for p to be less than .15 it would have to be less than .15*460= 69

(69-73.6)/7.863= -.59 which has a probability of .2776

2.)

the mean is 2.3

I am not sure if the standard deviation is 3 or .3 (picture is kind of blurry)

I am thinking that it's three which would mean that the standard deviation would be √(3²*(1/5))= 1.342

(2-2.3)/1.342= -.22 = .4129

5 0
2 years ago
A recipe requires 1/2 cup of sugar for every batch of cakes. How batches of cakes can be made with 5 1/2 cups of sugar?
Sedaia [141]

Answer:

11

Step-by-step explanation:

5.5/.5 = 11

7 0
2 years ago
Read 2 more answers
Please help me with this please 2
kondaur [170]
Put this into a scientific calculator
1/3 x pi x 18 squared x 16
8 0
3 years ago
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