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Kipish [7]
3 years ago
8

The radius of a circle is 9 millimeters. What is the circle's circumference?

Mathematics
2 answers:
Delicious77 [7]3 years ago
8 0

Answer:

Step-by-step explanation:

56.52

C=2 * 3.14 * radius

alexandr402 [8]3 years ago
7 0

Answer:

56.6mm

Step-by-step explanation:

Take the radius and double it to get the diameter

9mm * 2 = 18mm

Multiply the diameter by pi to get the circumference of the circle

18mm * 3.1415 = 56.547mm

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Great Dish believes that it will need new equipment in 8 years. The equipment will cost $26,000. What lump sum should be investe
xenn [34]

Answer:

d. $10,234.80

Step-by-step explanation:

we are given

The equipment will cost $26,000

so, Amount is $26000

A=26000

should be invested today at 12%

r=12%=0.12

It is compounded semiannually

so, n=2

t=8

now, we can use formula

A=P(1+\frac{r}{n})^{nt}

now, we can plug values

26000=P(1+\frac{0.12}{2})^{2\times 8}

now, we can solve for P

P=10234.80338

8 0
3 years ago
A rental car company charges $53.75 per day to rent a car and $0.12 for every mile driven. Jaya wants to rent a car, knowing tha
Aliun [14]

Answer:

Jaya can afford to rent a car 4 days while staying within her budget.

Step-by-step explanation:

The inequality would have to indicate that the cost of renting a car has to be less than or equal to $230. The cost to rent a car is equal to the cost per day for the number of days plus the price per mile for the number of miles, which is:

53.75x+0.12y≤230, where:

x is the number of days the car is rented

y is the number of miles driven

As the statement says that she plans to drive 125 miles, you can replace "y" with this value and solve for x:

53.75x+0.12(125)≤230

53.75x+15≤230

53.75x≤230-15

53.75x≤215

x≤215/53.75

x≤4

According to this, the answer is that Jaya can afford to rent a car 4 days while staying within her budget.

5 0
3 years ago
10. What is the length of s?<br> I<br> 450
dimulka [17.4K]
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4 0
3 years ago
The length of a rectangle is 3 more than twice its width. the perimeter is 48 feet. find the width.
zepelin [54]
48 = 2l + 2w
l = 3w

48 = 2(3w) + 2w
48 = 6w + 2w
48 = 8w
6 = w

The width is 6 feet. The length is 18 feet. Hope this helps! :)

8 0
4 years ago
What model describes the relationship between the amount of money in an account and time, given that the money doubles every mon
quester [9]
If we have a common ratio every set amount of time (and not a common difference or addition), this is an exponential relationship. An exponential equation would have a form like Money = (1000)(2)^(# of months), where every additional month would cause the money amount to double.
3 0
4 years ago
Read 2 more answers
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