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Maru [420]
3 years ago
11

Need help, please!!!!A0.4B-0.4C2D-2

Mathematics
1 answer:
irinina [24]3 years ago
3 0
I think D is your answer
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A cone-shaped coffee filter of radius 6 cm and depth 10 cm contains water, which drips out through a hole at the bottom at a con
Dimas [21]

Answer:

It takes 251.33 seconds to filter out full.      

Step-by-step explanation:

We are given the following in the question:

Radius of cone, r = 6 cm

Depth of cone,h = 10 cm

Volume of flow rate =

\dfrac{dv}{dt} = 1.5~ cm^3/s

Volume of cone-shaped coffee filter =

\dfrac{1}{3}\pi r^2 h

The volume of the cone when water start drips out =

\dfrac{1}{3}\pi r^2 h - 1.5t

Since, when the cone will be empty the volume of cone will be zero, thus we can write,

0 = \dfrac{1}{3}\pi r^2 h - 1.5t

Putting all the values, we get,

0 = \dfrac{1}{3}\pi (6)^2 (10) - 1.5t\\\\t = \dfrac{1}{1.5}\times \dfrac{1}{3}(3.14)(6)^2(10)\\\\t = 251.33 \text{ seconds}

Thus, it takes 251.33 seconds to filter out full.

6 0
3 years ago
5,626 to the nearest hundred .
liraira [26]

Answer:

    5626 to the nearest hundred is =  5,600

8 0
4 years ago
Read 2 more answers
Which of the number lines is the correct graph for the inequality x < -6?
yulyashka [42]

Answer: la 3ra contando desde la isquierda

Step-by-step explanation:

8 0
3 years ago
Of the people who prefer mocha, the relative frequency of them preferring it cold is
WITCHER [35]

Answer

1) Relative frequency of prefering cold mocha amongst mocha drinkers = 0.32

2) Relative frequency of prefering a latte amongst hot coffee drinkers = 0.22

3) Type of coffee that has the highest percentage of people who prefer it cold = Regular

Explanation

1) Relative frequency of prefering cold mocha amongst mocha drinkers is given as

Relative frequency

= (Number of mocha drinkers who prefer it cold) ÷ (Total number of mocha drinkers)

Number of mocha drinkers who prefer it cold = 12

Total number of mocha drinkers = 12 + 25 = 37

Relative frequency = 12 ÷ 37 = 0.32

2) Relative frequency of prefering a latte amongst hot coffee drinkers is given as

Relative frequency

= (Number of latte drinkers who prefer it hot) ÷ (Total number of hot coffee drinkers)

Number of latte drinkers who prefer it hot = 19

Total number of hot coffee drinkers = 11 + 25 + 19 + 30 = 85

Relative frequency = (19/85) = 0.22

3) Percentage of people who prefer cold coffee for each coffee type

Regular

(17/28) = 60.7%

Mocha

(12/37) = 32.4%

Latte

(20/39) = 51.3%

Cappuccino

(27/57) = 47.4%

Regular coffee drinkers have the highest percentage of drinkers who prefer it cold.

Hope this Helps!!!

7 0
1 year ago
What is the volume (in cubic units) of a cone with a radius
zhenek [66]

Answer:

150.72

Step-by-step explanation:

Used calculator

7 0
3 years ago
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