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juin [17]
3 years ago
14

Find the value of a. A. 36 B. 144 C. 54 D. 126

Mathematics
2 answers:
Amanda [17]3 years ago
8 0
I believe it's 

D) 126
Komok [63]3 years ago
4 0
D is the final answer! :)))))))))))
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Law of Cosine/Sine problem.
storchak [24]
Either or can be used with any triangle...I personally find the law of sines is often more compact as in this case we can just say;

(sin115)/18=(sin40)/c  (with no need for b or B as would be needed with the law of cosines...)

c=18(sin40)/(sin115)

c≈12.77


4 0
4 years ago
A question "I" made.
Lina20 [59]

Answer:

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Step-by-step explanation:

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6 0
3 years ago
Which number produces an irrational number when added to 0.4
erastovalidia [21]

Answer:

0.31311311131111....

Step-by-step explanation:

We need to tell a number which when adds to 0.4 makes it a Irrational Number . We know that ,

<u>Rational</u><u> number</u><u> </u><u>:</u><u>-</u> The number in the form of p/q where p and q are integers and q is not equal to zero is called a Rational number .

<u>Irrational</u><u> number</u><u> </u><u>:</u><u>-</u> Non terminating and non repeating decimals are called irrational number .

Recall the property that :-

<u>Property</u><u> </u><u>:</u><u>-</u><u> </u> Sum of a Rational Number and a Irrational number is Irrational .

So basically here we can add any Irrational number to 0.4 to make it Irrational . One Irrational number is ,

\rm\implies Irrational\ Number = 0.31311311131111...

So when we add this to 0.4 , the result will be Irrational . That is ,

\rm\implies 0.4 + 0.31311311131111 ... = 0.731311311131111 ..

6 0
3 years ago
Read 2 more answers
I’m not sure if i am correct with my answer. Can Someone help or confirm which answer it is or if i’m correct or not? :)
Alex
Hi! i think it’s the last one (270 degrees counterclockwise and 1 unit to the right)

if it was 180 degree, the shape would be in quadrant II, not quadrant III
8 0
3 years ago
If you were to use the substitution method to solve the following system, choose the new equation after the expression equivalen
Savatey [412]
I’m pretty sure it’s A
4 0
3 years ago
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