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valina [46]
2 years ago
11

8 1/3% as a fraction

Mathematics
1 answer:
ELEN [110]2 years ago
4 0

Answer:

Ok wait 8 and 1 third as a fraction cause it already is OR 81 divided by 3 as a fraction? If its 81 then the answer would be 27/1

Step-by-step explanation:

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The left-hand "tail" of the standard normal curve can be defined as the part of it that lies at least two standard deviations to
Leni [432]
Roughly 95% of the data lies within 2 standard deviations of the mean. 

So (100% - 95%)/2 = 2.5% of the data lies within each tail.

This means roughly 2.5% of the data is in the left hand tail. 
6 0
3 years ago
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Tina missed this problem on her test.
zalisa [80]
The decimal was mover too many place sin part C.
8 0
3 years ago
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Aubrey is making cone-shaped hats for a birthday party. She mistakenly thinks that she will need about 104 square inches of pape
jenyasd209 [6]

Answer:

C. About 75 in²; Aubrey found the surface area of the cone and included the base.

Step-by-step explanation:

In the questions above we were given the following:

Cone with

Diameter(D) = 6 inches

Slant height (l) = 8 inches.

Aubrey made an error in her calculation.

She found the Total Surface area of the cone using the formula:

Total Surface Area of a cone = πrl + πr²

= πr(l + r)

The Total surface area of a cone is the calculated as Sum of the curved surface area of a cone and the base of the cone.

Where:

Curved surface area of the cone is calculated as = πrl

Base of a cone is calculated as = πr²

Where r = radius of the cone

l = slant height of the cone

In the question, we were given

slant height(l) = 8 inches.

radius = Diameter ÷ 2 = 6÷2 = 3 inches.

Using π = 3.14

Surface area = 3.14 × 3(8+3)

= 9.42 × 11

Surface area = 103.62 in²

Approximately to the nearest inch = 104 in² or 104 square inches.

But this answer is WRONG.

The RIGHT FORMULA Aubrey should have used is

Curved Surface Area or the Lateral Area of a Cone = πrL

slant height(l) = 8 inches.

radius = Diameter ÷ 2 = 6÷2 = 3 inches.

Using π = 3.14

Curved Surface Area of a Cone = πrL

= 3.14 × 3 inches × 8 inches

= 75.36 square inches or 75.36in²

Approximately to the nearest inch = 75 square inches or 75 in².

This is the correct answer.

The error Aubrey made was she calculated the Total surface area of the cone which includes the base of the cone instead of calculating the curved surface area of the cone only.

Hence, from the above calculation , we can see that Option C "About 75 in²; Aubrey found the surface area of the cone and included the base" is the correct option.

5 0
3 years ago
Solve for x: x/5 = 75
Ainat [17]

Answer:

x=15

Step-by-step explanation:

75/5=x  15x5=75

6 0
3 years ago
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Valentino sells ice cream cones and ice cream tubs.
adoni [48]

Answer:

11/60 so around 18.33%

Step-by-step explanation:

hello

in total there are 120 ppl

22 are vanilla cones

so the probability that this person bought a vanilla a ice cream cone is 22/120=11/60

hope this helps

5 0
3 years ago
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