Answer:
$73.19
Step-by-step explanation:
79.99-15%+6.5%of 79.99
Sum of all exterior angles is 360°
x = 360 - 140 - 34 - 56 = 130°
Answer: 130°
The value of x is 21√2/2
The correct option is (A)
<h3>What is Trigonometry?</h3>
Trigonometry is a branch of mathematics that studies relationships between the sides and angles of triangles.
In triangle having angle 60.
sin 60 = P/ 7√3
√3/2= P/7√3
2P= 21
P= 21/2
Now again
cos 45= 21/2/x
1/√2 = 10.5/x
x= 21√2/2
Learn more about trigonometry here:
brainly.com/question/26719838
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Answer:
13/20 Hours
Step-by-step explanation:
you have to find a common denominator. (20) You do 4x5 and 5x4 both equal 20. Then you do 1x5=5 and 2x4=8 then 8+5=13 then you make your fraction which is 13/20.
