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12.12.2020 •
Mathematics
Which statement is true?
A. Jackie makes 1 item per hour.
B. Jackie makes 1.25 items per hour.
C. Jackie makes 20 items in 16 hours.
D. Jackie makes 16 items in 20 hours.
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Ответ:
I believe answer is D my guy
Step-by-step explanation:
Ответ:
D
Step-by-step explanation:
Ответ:
x = 86
Step-by-step explanation:
note : a straight line is regarded to have an angle of 180 degrees.
in this case CUW is a straight line
I shall show you two methods . which ever one you choose will still get the same answer. however understanding both will help you use them for other questions
method 1therefore in order to solve the value of x we need to get the missing angle in the triangle first which is angle WUV
Angle WUVnotes : a triangle has a total angle of 180 degrees
hence we can create an equation to get the angle WUV
lets make the missing angle as Y , this will help to find the answer.
46 + Y + 40 = 180
now make Y the subject of formula
Y = 180 - 40 - 46
Y = 94now in order to find x .
since the CUW is a straight line with 180 degrees
hence x = 180 - 94 = 86
x = 86method 2since the triangles total angle is 180 degrees and also the straight line is also 180 degrees. we can just add the total of the 2 sides of the triangle ( the two interior angles can be added together to get the value of the exterior one)
40 + 46 = 86
x = 86