HaseelM
12.01.2021 •
Mathematics
Represent each of the following as an algebraic inequality
1) x is at most 30
2) the sum of 5x and 2x is at least 14
3) the product of x and y is less than or equal to 4
4) 5 less than a number y is under 20
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Ответ:
Measure of angle ABC = (3x)°
Measure of angle CBD = (15x+18)°
Since angle ABC and angle CBD are a linear pair their sum will be equal to 180°¿
Which means :
Thus, the value of x = 9.
Solution (2) :From that equation, we know that the value of x = 9.
Which means :
Measure of angle ABC :
Measure of angle ABC = 27°
Therefore, the measure of angle ABC = 27°
Solution (3) :We know that x = 9
Which means :
Measure of angle CBD :
Thus, angle CBD = 153°
Since the measure of angle ABC and angle CBD equals 180°[27+153=180°], we can conclude that we have found out the correct value of each angle.
Therefore, the measure of angle CBD = 153°