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choli [55]
3 years ago
5

What is the volume of the cone to the nearest cubic foot? (Use ​π = 3.14)

Mathematics
2 answers:
shutvik [7]3 years ago
5 0

Answer:  C) 461.58\ ft^3

Step-by-step explanation:

We know that the volume of a cone is given by :-

\text{Volume}=\dfrac{1}{3}\pi r^2 h

From the given picture, it can be seen that the radius of cone = 7 ft.

The height of the cone = 9 ft.

Now, the volume of the cone will be:-

V=\dfrac{1}{3}(3.14)(7)^2\times(9)=461.58\approx462\ ft^3

Hence, the volume of the cone = 461.58\ ft^3

Goryan [66]3 years ago
4 0
Brainliest answer,plz.......

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Mike is driving a boat at 12 mph and is increasing his speed by 0.2 mph each second. Hank is driving a boat at 26.4 mph and is d
VLD [36.1K]

Answer: After 16 seconds the boats will be traveling the same speed.

Step-by-step explanation:

Given: Mike is driving a boat at 12 mph and is increasing his speed by 0.2 mph each second.

Mike's spewed after x seconds = 12 + 0.2x

Hank is driving a boat at 26.4 mph and is decreasing his speed by 0.7 mph each second.

Hank's speed after x seconds = 26.4 -0.7 x

As per given,

12 + 0.2x =  26.4 -0.7 x

Subtract 12 from both sides

0.2x= 26.4-12-0.7x

⇒ 0.2x= 14.4-0.7x

Add 0.7xn on both sides , we get

0.2x+0.7x= 14.4

⇒ 0.9x = 14.4

Multiply 10 on both sides, we get

9x=144

Divide both sides by 9 , we get x= 16

Hence, after 16 seconds the boats will be traveling the same speed.

7 0
3 years ago
After multiplying, a calculator screen displays the answer shown below. How would you write this number in standard form? Enter
Aliun [14]

Answer:

8.234 E14=8.234 \times 10^{14}

Step-by-step explanation:

The given number is 8.234 E14

We need to write this number in standard form.

Any no is given in the standard form is given by :

N=a\times 10^b

Where

a and b is real no and integer

It means,

8.234 E14=8.234 \times 10^{14}

Hence, this is the required solution.

6 0
3 years ago
Evaluate y = 2x + 1 when x= -1
Stolb23 [73]
Y = 2x + 1
y = 2(-1) + 1
y= -2 + 1
y= -1
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2 years ago
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What is the equivalent fraction of 4/5​
Aleks04 [339]

Answer:

16/20

Step-by-step explanation:

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3 years ago
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The following list gives the number of public libraries in each of 11 cities. 7, 11, 8, 7, 8, 7, 8, 11, 8, 10, 7 Find the modes
AlladinOne [14]

Answer:

The mode are: 7, 8

Step-by-step explanation:

Given

7, 11, 8, 7, 8, 7, 8, 11, 8, 10, 7

Required

Determine the mode

We start by arranging the given data in ascending order

The ordered data are:

7,7,7,7, 8,8,8,8, 10, 11, 11

From the above data.

7 has a frequency of 4

8 has a frequency of 4

10 has a frequency of 1

11 has a frequency of 2

The data with the highest frequency is the mode.

We can see that 7 and 8 both have frequencies of 4

<em>Hence, the mode are: 7, 8</em>

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3 years ago
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