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umka21 [38]
3 years ago
10

Evaluate: Sigma 6=1 5(2)^n-1

Mathematics
1 answer:
Vilka [71]3 years ago
5 0
Handmjxjdndjciixjdndndndkck
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Find the perimeter of the rectangle on the centimeter grid​
Tatiana [17]

Answer:

24 centimeters

Step-by-step explanation:

You can just count the squares around the rectangle since each of those squares is a centimeter. Hence the name centimeter grid.

3 0
3 years ago
What is the exact volume of the cone
Travka [436]

Answer:

V = \frac{400}{3}\pi

Step-by-step explanation:

Volume of a cone is:

V = \pi r^{2} \frac{h}{3}

Substitute values given:

V = \pi (5^{2} )(\frac{16}{3})

V = \pi (25)(\frac{16}{3} )

V = \pi \frac{400}{3}

V = \frac{400}{3}\pi

5 0
2 years ago
The differences between a number and 12 is 20
Alika [10]
X-12=20
x=20+12
x=32

answer is 32
3 0
3 years ago
The height of a cone-shaped container is 70 centimeters and its radius is 15 centimeters. Cathy fills the container completely w
user100 [1]
We know that
[volume of a cone]=pi*r²*h/3
h=70 cm
r=15 cm
[volume of a cone]=pi*15²*70/3----------> 16485 cm³

if  <span>Cathy uses 500 cm</span>³ of honey----------------> 1 day
<span>16485 cm</span>³--------------------------------------> X
<span>X=16485/500-----------> 32.97 days

the answer is 33 days </span>
8 0
3 years ago
You work 25 hours per week. You need to earn $240 to cover your weekly expenses. Your job as a dog walker pays $10 an hour. Your
qwelly [4]

Answer:

(8×5)+(10×20)=240

Step-by-step explanation:

8 (Car wash hourly pay $$) times 5 (hours worked) equals 40(money earned). And 10 (dog walker money $$) times 20 (hour worked) equals 200(money earned). 200(dog walker) plus 40(car washer) is 240. So if you do 5 hours at the car wash and 10 hours of dog walking, you'll earn enough to cover your expenses.

7 0
3 years ago
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