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Tatiana [17]
3 years ago
13

The population had decreased 300 resident over the past 5 years. The same number of residents left each year.

Mathematics
1 answer:
Lostsunrise [7]3 years ago
6 0

Answer:

60

Step-by-step explanation:

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the amount of each payment to be made into a sinking fund which earns 9​% compounded quarterly and produces ​$43 comma 000 at th
Blizzard [7]

Answer:

$2647.18

Step-by-step explanation:

Data provided in the question:

Rate = 9% compounded quarterly

interest rate per period, i = 9% ÷ 4 = 2.25% = 0.0225

Future value = $43,000

Time = 3.5 years

Number of periods,  = 3.5 × 4 = 14

Now,

Let the annual payments be 'A'

Thus,

Future value = A × [ (1 + i)ⁿ - 1 ) ÷ i ]

or

$43,000 = A × [ (1 + 0.0225)¹⁴ - 1 ) ÷ 0.0225 ]

or

$43,000 = A × 16.244

or

A = $2647.18

6 0
3 years ago
A(r) is a function that gives the area of a circle with radius r. It can be written in equation form as A(r) = 3.14r2. What is t
Jobisdone [24]
B: 78.50

If you plug in 5 for r, then you get  3.14 * 25, which is equal to 78.5 

Hope this helps!
3 0
4 years ago
What is the equation of the axis of symmetry of the parabola y=-2x^2+8x-7?<br> x=.....
guapka [62]

Answer:

Equation of axis of symmetry is x = 2

Step-by-step explanation:

The equation of the parabola is given as;

y = -2x² + 8x - 7

The equation of the axis of symmetry is given by;

x = -b/2a

In the parabola equation given and using letters of quadratic equation, we can say that;

a = - 2

b = 8.

c = -7

Thus;

x = -b/2a = -8/(2 × - 2)

x = 8/4

x = 2

Equation of axis of symmetry is x = 2

4 0
3 years ago
Find the approximate side length of a square game board with an area of 157 in^2.
Nesterboy [21]

Answer:

12.52 in.

Step-by-step explanation:

Area of square(A)=157in^2

length of square (l)=?

we know,

A=l^2

or,sqrt 157=l

12.52 in=l

3 0
3 years ago
Karen's aunt is buying peaches to make peach cobbler. She needs 6 peaches for each cobbler.
QveST [7]

Answer:

A. 72

Step-by-step explanation:

If she is making 12 cobblers and needs 6 peaches per one.

She needs 72 (6 times 12= 72) or ( 6c = 72)

8 0
3 years ago
Read 2 more answers
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