2 years ago

A bag contains 42 red, 45 green, 20

Mathematics

1 answer:

SashulF [63]2 years ago

6 0

Answer:

65 over 139

Step-by-step explanation:

first you add all the numbers of all the candies then take the green probability which is 45 over 139 then add yellow probability which is 20 over 139 then add both then the answer is 65 over 139

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If s(x)=x-7 and t(x) =4x^2+3 which expression is equivalent to (t×s)(x)

marshall27 [118]

Answer:

$\large\boxed{(t\times s)(x)=4x^3-28x^2+3x-21}$

Step-by-step explanation:

$s(x)=x-7\\t(x)=4x^2+3\\\\(t\times s)(x)=t(x)\times s(x)\\\\\text{Substitute:}\\\\(t\times s)(x)=(4x^2+3)(x-7)\\\\\text{use FOIL:}\ (a+b)(c+d)=ac+ad+bc+bd\\\\(t\times s)(x)=(4x^2)(x)+(4x^2)(-7)+(3)(x)+(3)(-7)\\\\=4x^3-28x^2+3x-21$