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german
3 years ago
15

Without using a calculator how do you evaluate tan 5π/6.

Mathematics
1 answer:
Mama L [17]3 years ago
3 0
Remember that pi=180, 
so 180/6=30, 30*5=150,
what's tan 150? 
Remember that 150 degrees is in the 2nd quadrant, and this is tangent, so it means the answer must be negative, because tan 150= - tan 30, and -tan30=-√3/3. 

Answer: -√3/3. 
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a can of soup has a volume of 20 pi cubic inches. the diameter of the can is 4 inches. What is the height of the can
ozzi

Answer:

<h3>5 inches</h3>

Step-by-step explanation:

A can is cylindrical in nature and volume of a cylinder is expressed as;

V = πr²h where;

r is the radius of the cylindrical can

h is the height of the can.

Given parameters

Volume of the can of soup = 20πin³

diameter of the can = 4inches

Since diameter = 2r

radius = d/2 = 4/2 = 2inches

Required parameter.

Height of the can

Substituting the given parameters into the formula to get the height h will give;

20π = πr²h

20 = r²h

20 = 2²h

20 = 4h

Divide both sides by 4:

4h/4 = 20/4

h = 5inches

<em>Hence the heighr of the can is 5 inches</em>

4 0
3 years ago
What is 4 1/3 times 18
kaheart [24]
Change 4 1/3 to improper fraction: 13/3

13/3 * 18/1 = 234/3

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5 0
3 years ago
Read 2 more answers
Need help with this math question please
lesya692 [45]

Answer:

See below for answer.

Step-by-step explanation:

RP/RT =RQ/RS                  Given

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3 0
3 years ago
A box of cereal states that there are 78 calories in a three fourths ​cup serving. What is the unit rate for calories per​ cup?
ladessa [460]

Answer:

See below.

Step-by-step explanation:

Unit rate = 78 / 3/4

= 78 * 4/3

= 26*4    (because 78 / 3 = 26)

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4 0
3 years ago
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SpyIntel [72]

Answer:

y=1.2x-3

Step-by-step explanation:

I had this as an rsm problem a few weeks ago and forgot how to solve it lol hope this helps

6 0
3 years ago
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