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3 years ago

You read a novel over 7 days.

Mathematics

1 answer:

Bond [772]3 years ago

6 0

Answer:

23.7

Step-by-step explanation:

sum of pages divided by number of days spent

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Solving a Real-World Problem

lisov135 [29]

Answer:

C would be your answer as the formula for the volume of a cone is pi*r²*h/3

Step-by-step explanation:

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3 years ago

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Joe makes a map of his neighborhood for a presentation the scale of his map is 1 inch: 250. How many do 6.5 inches represent on

KiRa [710]

Answer: 1625

Step-by-step explanation:

From the question, we are informed that Joe makes a map of his neighborhood for a presentation and that the scale of his map is 1 inch: 250.

Then, it should be noted that a 6.5 inches would represent:

= 6.5 × 250

= 1625

The answer is 1625

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3 years ago

(1000÷1)×10-5000 Giving Brainliest

Y_Kistochka [10]

5,000 is the answer to the equation

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3 years ago

PLEASE HURRY!!! What is the slope of the line in the graph?

Anastasy [175]

slope = change in y/ change in x

select two points on the line

(-4,4)

(0,1)

= (4-1)/(-4-0)

= -3/4

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3 years ago

When the effective interest rate is 9% per annum, what is the present value of a series of 50 annual payments that start at $100

ser-zykov [4K]

Answer:

$1,109.62

Step-by-step explanation:

Let's first compute the future value FV.

In order to see the rule of formation, let's see the value (in $) for the first few years

End of year 0

1,000

End of year 1(capital + interest + new deposit)

1,000*(1.09)+10

End of year 2 (capital + interest + new deposit)

(1,000*(1.09)+10)*1.09 +10 =

$\bf 1,000*(1.09)^2+10(1+1.09)$

End of year 3 (capital + interest + new deposit)

$\bf (1,000*(1.09)^2+10(1+1.09))(1.09)+10=\\1,000*(1.09)^3+10(1+1.09+1.09^2)$

and we can see that at the end of year 50, the future value is

$\bf FV=1,000*(1.09)^{50}+10(1+1.09+(1.09)^2+...+(1.09)^{49}$

The sum

$\bf 1+1.09+(1.09)^2+...+(1.09)^{49}$

is the sum of a geometric sequence with common ratio 1.09 and is equal to

$\bf \frac{(1.09)^{50}-1}{1.09-1}=815.08356$

and the future value is then

$\bf FV=1,000*(1.09)^{50}+10*815.08356=82,508.35564$

The present value PV is

$\bf PV=\frac{FV}{(1.09)^{50}}=\frac{82508.35564}{74.35572}=1,109.616829\approx \$1,109.62$

rounded to the nearest hundredth.

5 0

3 years ago