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Alexandra [31]
2 years ago
14

Calculate the area of a regular octagon with the side length of 9 feet

Mathematics
1 answer:
ankoles [38]2 years ago
7 0

Answer:

A ≈ 391.1 feet

formula to find the area of an octagon is shown below

area = 2(1 +  \sqrt{2} )a { }^{2}

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I WILL GIVE A BRANLIEST!<br>What is the graph of the functions?<br> y=2*2^x<br> y=-2*5^x
tekilochka [14]
For this case what you should know is that both functions are of the potential type.
 We have then that
 y = 2 * 2 ^ x
 This function grows exponentially upwards.
 y = -2 * 5 ^ x
 This function grows exponentially downwards.
 Answer
 See attached graphics.

4 0
3 years ago
Which function has a domain of (-∞, ∞) and a range of (-3, ∞)?
shtirl [24]

Answer:

Step-by-step explanation:

The function that will have the domain (\infty, \infty) and a range of (-3, \infty) is the

function in option d.) f(x) = e^x - 3

5 0
3 years ago
£6000 is divided between Adam, Ben and<br> Chris in the ratio 1:3:4. How much does Ben receive?
Gala2k [10]

Answer:

Chris gets £3000

Step-by-step explanation:

A : B : C

1 : 3 : 4 = 8 (add all the parts together)

£6000 ÷ 8 = 750

so the multiplier is x 750

1 : 3 : 4

↩ x 750

750 : 2250 : 3000

Chris gets £3000

3 0
3 years ago
Your brother lends you $125 at an annual interest rate of 25%. If you want to pay no more than $62.50 in simple interest, in how
iren2701 [21]
3. You purchase a car using a $20,000 loan with a 5% simple interest rate. (a) How much interest do you pay on your loan if you pay off the loan in 4 years? Show your work. (b) How much interest do you pay on your loan if you pay off the loan in 2 years? Show your work. (c) How much interest do you save by paying the loan off in 2 years instead of 4? Show your work. Answer:
7 0
3 years ago
woodland Mound Park sells annual visitors passes for $12.50. Last year the park raised $53,500 in annual visitors pass sales. Ho
maria [59]

Answer:

4,280\ passes

Step-by-step explanation:

Let

x -----> the number of annual visitors pass sold

we know that

To find out the number of annual visitor passes sold, divide the total amount raised by the cost of a pass.

so

The linear equation that represent this problem is

12.50x=53,500

Solve for x

Divide by 12.50 both sides

x=\frac{53,500}{12.50}=4,280\ passes

5 0
3 years ago
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