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Salsk061 [2.6K]
3 years ago
5

 What is the radius of a cone with diameter​ d? An ice cream cone is filled exactly level with the top of the cone. The cone has

a 5​-cm diameter and 9​-cm depth. Approximate how much ice cream​ (in cm cubed​) is in the​ cone? Use 3.14 for pi. What is the radius of a cone with diameter​ d?
Mathematics
1 answer:
alekssr [168]3 years ago
5 0

Answer:

radius is 2.5

volume of ice cream is 58.9 cm cubed

Step-by-step explanation:

to calculate the volume of a cone   v=pi x r^2 x (h/3)

v=volume

r=radius

h=height

^ means powers and roots

depth in cones is the same as height

v=3.14 x 2.5^2 x (9/3)

order of operations

v=3.14 x 2.5^2 x 3

v=3.14 x 6.25 x 3

v=19.625 x 3

v=58.875

round

v=58.9

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See explanation

Step-by-step explanation:

Given

See attachment for proper presentation of question

Required

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To do this, we simply calculate the mean and the range of each row.

\bar x = \frac{\sum x}{n} ---- mean

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R = Highest - Lowest --- range

So, we have:

Sample 1

\bar x_1 = \frac{1027+ 994 +977 +994 }{4}

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R_1 = 1027- 994

R_1 = 33

Sample 2

\bar x_2 = \frac{975 +1013 +999 +1017}{4}

\bar x_2 = 1001

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Sample 3

\bar x_3 = \frac{988 +1016 +974 +997}{4}

\bar x_3 = 993.75

R_3 = 1016-974

R_3 = 42

Sample 4

\bar x_4 = \frac{998 +1024 +1006 +1010}{4}

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R_4 = 26

Sample 5

\bar x_5 = \frac{990 +1012 +990 +1000}{4}

\bar x_5 = 998

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Sample 6

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R_6= 32

Sample 7

\bar x_7 = \frac{1000 +983 +979 +971}{4}

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\bar x_8 = \frac{973 +982 +975 +1030}{4}

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\bar x_9 = 1002.25

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\bar x_{10} = \frac{997 +1026 +972 +1021}{4}

\bar x_{10} = 1004

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R_{10} = 54

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\bar x_{11} = \frac{990 +1021 +1028 +992}{4}

\bar x_{11} = 1007.75

R_{11} = 1028 -990

R_{11} = 38

Sample 12

\bar x_{12} = \frac{1021 +998 +996 +970}{4}

\bar x_{12} = 996.25

R_{12} = 1021 -970

R_{12} = 51

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\bar x_{13} = \frac{1027 +993 +996 +996}{4}

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2 years ago
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