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xxTIMURxx [149]

3 years ago

11

The band will receive income based on sales of x tickets. Which equation would represent the income I(x) from the sale of x tick

ets?

1 answer:

Leno4ka [110]3 years ago

4 0

Where are the equations?

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The area of a circular place is 45 square inches. Estimate the radius to the nearest integer.

aksik [14]

A=pi(r)^2
45=pi(r)^2 divide by pi (3.14)
14.33=r^2 square root both sides
3.79=r round
r=4

5 0

3 years ago

Holly invested £3000 in a savings account the account paid compound interest of 4% per year work out how much was in the account

pogonyaev

Exponential function
form of interest rates

P(1 + r)^x
where p is the prime and r is rate of change and x is time in years

3000(1 + 4%)^1
The answer would be
3000(1.04)^1 = 3120 Euros

3 0

3 years ago

I built a storage shed in the shape of a rectangular box on a square base. The material that I used for the base cost $4 per squ

kumpel [21]

Answer:

side of 6.124 ft and height of 3.674 ft

Step-by-step explanation:

Let's s be the side of the square base and h be the height of the rectangular box.

The base and the roof would have an area of $s^2$ and cost of

$4s^2 + 2s^2 = 6s^2$

The sides would have an area of 4sh and cost of 4sh*2.5 = 10sh

So the total cost for the material is

$6s^2 + 10sh = 450$

$10sh = 450 - 6s^2$

$h = 45/s - 0.6s$

The volume of the shed has the following formula

$V = s^2h = s^2(45/s - 0.6s) = 45s - 0.6s^3$

To find the maximum value for V, we can take its first derivative, and set it to 0

$\frac{dV}{ds} = 45 - 1.2s^2 = 0$

$1.2s^2 = 45$

$s^2 = 45 / 1.2 = 37.5$

$s = \sqrt{37.5} = 6.124 ft$

h = 45/s - 0.6s = 3.674 ft

4 0

3 years ago

NEED HELP ASAP !!!!!!!!!!

romanna [79]

Rule 1: Simplify all operations inside parentheses.

Rule 2: Perform all multiplications and divisions, working from left to right.

Rule 3: Perform all additions and subtractions, working from left to right.

Rule 1: Simplify all operations inside parentheses.

Rule 2: Simplify all exponents, working from left to right.

4 0

3 years ago

You've won a new prize! Go to your game board. *

oee [108]

Answer:

22 visits

Step-by-step explanation:

37-15=22 each trip is a dollar which means 22 visits for a dollar each

5 0

3 years ago