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Julli [10]
3 years ago
5

During an exploratory activity, a student measured the diameter and circumference of several circular objects.

Mathematics
1 answer:
BaLLatris [955]3 years ago
5 0

Answer:

what is the question? I need to know

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Please help finding the missing values and please show all your work on how you got the answers.
Angelina_Jolie [31]

a) Given triangle is a right angle triangle

So we use trigonometric properties

sin (\alpha ) = \frac{opposite}{hypotenuse}

sin (51) = \frac{y}{12}

y = sin(51) * 12

y= 9.3257515

y= 9.33

b) It is a right angle triangle

sin(theta) = opposite / hypotenuse

sin ( theta) = \frac{12}{13}

theta = sin^{-1}(\frac{12}{13} )

theta = 67.38 degree

c) sin (\alpha ) = \frac{opposite}{hypotenuse}

sin (20) = \frac{10}{x}

x = \frac{10}{sin(20)}

x= 29.238044

Hypotenuse x= 29.24


5 0
3 years ago
Find the volume of a box whose width is 5 units, height and length are 2 units.
Tomtit [17]

Answer:

20 units^3

Step-by-step explanation:

Well the formula for the volume of a box is,

l*w*h

l = 2

h = 2

w = 5

2*2*5

= 20 units^3

<em>Hope this helps :)</em>

5 0
3 years ago
Read 2 more answers
Rocco bought a soft drink for three dollars and six candy bars, He spent a total of twenty one dollars. How
Sophie [7]

Answer:

x=3

Step-by-step explanation:

The equation will be 3+6x=21 since we know that the soft drink costs 3 dollars and he bought 6 candy bars(6 times x or 6x). We also know that the total cost for this merchandise is 21 dollars. Now you solve the equation! First subtract 3 from both sides(since the inverse for addition is subtraction we SUBTRACT 3 from bothe sides). You are left with 6x=21-3 or 6x=18. Now you divide Each side by 6(because the inverse operation of multiplication is division). You have the answer! x=18/6 or x=3! Hope it helped!!

3 0
3 years ago
Can a common denominator of mixed numbers be 20?
gladu [14]
Yes, a common denominator is just the smallest multiple of all numbers in a group. 

So the common denominator of 4, 8 and 12 would be 4, because 4 goes into all those numbers.
3 0
3 years ago
Read 2 more answers
Find factors of g(x)=2x^3+3x^2-23x-12 when (2x+1) is a factor
Sliva [168]

Answer:

Step-by-step explanation:

STEP

1

:

Equation at the end of step 1

 (((2 • (x3)) -  3x2) -  23x) +  12

STEP  

2

:

Equation at the end of step

2

:

 ((2x3 -  3x2) -  23x) +  12

STEP

3

:

Checking for a perfect cube

3.1    2x3-3x2-23x+12  is not a perfect cube

Trying to factor by pulling out :

3.2      Factoring:  2x3-3x2-23x+12  

Thoughtfully split the expression at hand into groups, each group having two terms :

Group 1:  -23x+12  

Group 2:  2x3-3x2  

Pull out from each group separately :

Group 1:   (-23x+12) • (1) = (23x-12) • (-1)

Group 2:   (2x-3) • (x2)

Bad news !! Factoring by pulling out fails :

The groups have no common factor and can not be added up to form a multiplication.

8 0
3 years ago
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