What do the factors in(-7x + 60)(x + 4) represent?

The factors in the expression (-7x + 60)(x + 4) represents that the expression is divisible by (-7x + 60) and (x + 4)

Step-by-step explanation:

The factors in the expression (-7x + 60)(x + 4) represents that the expression is divisible by (-7x + 60) and (x + 4)

If we can for an equation as (-7x + 60)(x + 4) = 0 ........ (1) , the the terms (-7x + 60) and (x + 4) are the factors of the equation and that gives (-7x + 60) = 0 and (x + 4) = 0.

From this, we get the values of x as and - 4 which are the roots of the equation (1). (Answer)

percentage - 25%

probability - 0.25

we know,

total amount of students in class = 20

total boys = 10

total girls = 10

no of girls who wear glasses = 10/2 = 5

probability of choosing a girl with glasses is =

number of girls wearing glasses/total number of students in the class = 5/20

thus, percentage of selecting a girl wearing glasses will be

= 5/20 × 100

= 5 × 5

25%

therefore,

probability will be 0.25

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