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Masteriza [31]
3 years ago
7

I need help with number 12&13

Mathematics
1 answer:
IceJOKER [234]3 years ago
6 0
Here's what I come up with hope it helps

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What is the volume of a cone with a diameter of 10 in and a height of 12 in​
Radda [10]

Answer:

V = 100π

Step-by-step explanation:

The volume of a cone is V = (\frac{\pi r^2h}{3})

1) \frac{\pi5^212}{3}

2) \frac{300\pi }{3}

3) 100π

5 0
3 years ago
Justin car can travel 75 miles using 3 gallons of gas. At this rate, how far, in miles, can Justin travel using 8 gallons of gas
AlekseyPX

Answer:

Justin travels 211.83 miles on 8.2 gallons of gas.

Step-by-step explanation:

77.5 miles / 3.1 gallons = x miles / 8.2 gallons

Solve for x... multiply by 8.2 gallons on both sides (that cancels it on the right) side of the equation.

8.2 gallons *77.5 miles / 3.1 gallons = x

635.5/ 3.1 = x

211.83 miles = x

8 0
2 years ago
20% of students drive a car. 9 students are randomly are selected and asked if they drive a car. What is the probability that ex
Andre45 [30]

The probability is low.

20% of 9 is 2. Therefore, the probability is low that 5 out of the 9 students drive cars.

6 0
3 years ago
The scale on a map is 1cm: 7km. If two cities are 15cm apart on the map, what is the actual distance between the cities?
Vitek1552 [10]

Answer:

105km

Step-by-step explanation:

1/7=15/x

So x=7*15

x=105

8 0
2 years ago
Can anyone help me expand this please?
White raven [17]
Any explain this to me a little bit morebetter
7 0
3 years ago
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