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aivan3 [116]
2 years ago
6

in planning her retirement, liza deposits some money at 4.5% interest, with twice as much deposited at 5%. Find the amount depos

ited at each rate if the total annual interest income is $2755
Mathematics
1 answer:
Georgia [21]2 years ago
6 0

Answer:

For this problem, we can assume that we deposits X money at 4.5% interest, than we can know that 2X were deposited at 5% interest, therefore we can get the equation of:  4.5%*X+5%*2X=2755, than we can get X=19000, so the 2X=38000, than we can concluded that: she deposited $19000 at 4.5% and $38000 at 5%.

Step-by-step explanation:

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= 2 - 4
jekas [21]

Answer:

Please find attached the required inverse of a function chart

Step-by-step explanation:

The inverse of a function is found by reversing the operations of the  function

The inverse of the function f(x) = 2·x - 4 is found as follows;

x = 2·x - 4

x + 4 = 2·x

x = (x + 4)/2 = x/2 + 2

Therefore, the inverse of the function f(x) = 2·x - 4 is f(x) = x/2 + 2

The inverse function is plotted by generating data points as follows;

{}x         {}          f(x)

0                2

1                  2.5

2                 3

3                  3.5

4                   4

5                   4.5

6                   5

7                   5.5

8                   6

9                   6.5

10                  7

11 {}                   7.5

12{}                    8

13                 8.5

14                  9

15                  9.5

16               10

5 0
3 years ago
Let x be the number of boys in a family of 4 children. Determine the values of the variable x. please answer.
Morgarella [4.7K]
There could be 1,2,3,4, or 5
3 0
2 years ago
Help pleaseeee!!!! Geometry
puteri [66]
Tan x=opposite/adjacent
cot x=adjacent/opposite

so you need to inverse the fraction
tan x=.78 as a fraction is 78/100
-> inversed= 100/78=1.28=cot x

so it is the second option
8 0
3 years ago
Find the perimeter.Simplify your answer.
AnnZ [28]

Answer:

20c+14

Step-by-step explanation:

To find the perimeter we have to add up all the sides

4c+6c+7+4c+6c+7

Combine light terms

20c+14

7 0
2 years ago
Read 2 more answers
What is 348,000,000,000,000 estimated as the product of a single digit and a power of 10?
levacccp [35]
The answer should be 3.48 X 10^18
3 0
3 years ago
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