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Gennadij [26K]
3 years ago
13

Write an explicit formula for each recursive formula a(n)=a(n-1) 3.4;a(1)=7.3

Mathematics
1 answer:
alexdok [17]3 years ago
3 0
A(n) = a(n - 1) + 3.4
a(1) = 7.3
d = 3.4

a(n) = a + (n - 1)d = 7.3 + (n - 1)3.4 = 7.3 + 3.4n - 3.4 = 3.9 + 3.4n

An = 3.9 + 3.4n
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Write a numerical expression for Divide 144 by 12
ehidna [41]
144/12

Hopefully, this helps!
4 0
3 years ago
A book publisher found that the cost to produce 1000 calculus textbooks is $26,300, while the cost to produce 2000 calculus text
andrew-mc [135]

Answer:

$26.60

Step-by-step explanation:

Calculation for the marginal cost of a calculus textbook

Marginal cost =($52,900-$26,300)/(2,000-1,000)

Marginal cost=$26,600/1,000

Marginal cost=$26.60

Or

First step

$52,900=2,000x +c equation (1)

$26,300= 1,000x+c equations (2)

Second step is to subtract equation (1) from equation (2)

$52,900=2,000x +c equation (1)

-$26,300= 1000x+c equations (2)

$26,600=1,000x

Third step is to find the marginal cost

$26,600=1,000x

x=26,600/1,000

x=$26.60

Therefore the marginal cost of a calculus textbook will be $26.60

5 0
3 years ago
You decide to install a fence around your property and want to know how many linear feet you have to determine the cost of the f
Debora [2.8K]

Answer:

The answer to this question is

The linear footage of the perimeter fence = 1250 feet

Step-by-step explanation:

To find the linear footage requires the footage measurement with a measuring tape. The linear footage indicates the length of the fence required to surround the property from which the cost of fencing the property can be estimated by multiplying the linear footage of the perimeter fence by the cost to build a unit length of fence

The linear footage of the perimeter fence to surround the property can be found by the equation for solving the perimeter of a rectangle which is

Perimeter = 2× (length+breadth) = 2×(475+150) = 2×625 = 1250 foot

The linear footage of the perimeter fence = 1250 foot

7 0
3 years ago
Find the product of the least common multiple (LCM) of $8$ and $6$ and the greatest common divisor (GCD) of $8$ and $6$. Please
krek1111 [17]
The lcm is 1 and the gcd is 2
7 0
3 years ago
Read 2 more answers
Find the area of the shaded region. Round your answer to the nearest tenth.
Rudiy27
This picture is a square and inside the square we can see 4 piece of a circle.
The area of a  piece of a circle=1/4 (area of a circle with radius = 9 m/2=4.5 m)
Therefore:
the area of a 4 piece of a circle=area of a circle with radius=4.5 m).

Area of the shaded region=area of the square -area of a circle.

1) we compute the area of the square:
area of a square=side²

Data:
side=9 cm
Area of this square=(9 m)²=81 m².

2) we compute the area of a circle with 4.5 m of radius.


area of a circle=πr²
area of this circle=π(4.5 m)²=20.25π m²

3) we calculate the area of the shaded region:
area of the shaded region=area of the square - area of the circle
area of the shaded region=81 m²-20.25π m²≈17.38 m²


Area= about 17.38 m²
4 0
3 years ago
Read 2 more answers
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