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disa [49]
2 years ago
13

Find the area of this circle. Use 3.14 to approximate A = ar2 20 ft

Mathematics
2 answers:
trasher [3.6K]2 years ago
6 0

Answer:

314

Step-by-step explanation:

ikadub [295]2 years ago
5 0

Answer:

314

Step-by-step explanation:

R= half of d

d= 20

20/2= 10

r=10

Plug into formula:

3.14(10)^2

= 314

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KengaRu [80]

A) Because the 80 is by itself that would be the start up fee.

B) We are told x is the number of months. Since the X is being multiplied by 30, we know that would be the total monthly cost. This is being added to the 80, which does not have an exponent, so we know this is a single cost, which would be the start up fee.

C) Copying the same format as the given equation above, change the numbers:

f(x) = 20 + 35x

D) I used the same format as the first equation, which meant replacing the start up cost from the original one ( 80) with the start up of the new one (20). Then I changed the monthly cost from the original one (30) with the monthly cost of the new one (35).

E) Replace x in each equation with 8 and calculate the cost of each:

80 + 30(8) = 80 + 240 = $320

20 + 35(8) = 20 + 280 = $300

The second club (club B) is the cheaper option for her.

4 0
3 years ago
PLEASE HELPPP 10 points and will mark brainly!!!!!!
snow_tiger [21]

Answer:

-.095

Step-by-step explanation:

6 0
3 years ago
Which ordered pair is a solution of the equation?
Maru [420]
A only 3= 5(2-2)+3
3= 5(0)+3
6 0
3 years ago
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kogti [31]

1 9 , 2 114 I Hope it help this is correct

4 0
3 years ago
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Roberto rented a truck from the Super Truck Company for 9 hours. There was a rental fee of $50. Allison rented a truck from Truc
gavmur [86]

Answer:

Hence, the hourly rental fee is \$\: 12.

Step-by-step explanation:

Time for which Roberto rented the truck =9 hours.

Rental fee =\$ \:50

Time for which Allison rented the truck =4 hours.

Rental fee =\$ \:110

Both companies have the same hourly rental fee.

Let the hourly rental fee of both the companies be x.

Both spent the same amount.

So, according to the question,

\Rightarrow 50+9x=110+4x

\Rightarrow 9x-4x=110-50

\Rightarrow 5x=60

\Rightarrow x=\frac{60}{5}

\Rightarrow x=12

Hence, the hourly rental fee is \$\: 12.

4 0
3 years ago
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