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Ad libitum [116K]
2 years ago
15

Bought 3 shirts that each cost the same. He had a coupon for $10 and he spent $65 in total. Which equation can be used to find t

he cost of each shirt​
Mathematics
2 answers:
Archy [21]2 years ago
6 0

Answer:

The answer is 3s - 10 = 65.

konstantin123 [22]2 years ago
5 0

Answer:

C=cost per shirt

C=(65+10)/3

Step-by-step explanation:

$65+$10=$75

$75/3=$25 each

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IRINA_888 [86]

Hello!

In math, there is always something called the discriminant. This is represented by the equation b^{2} -4ac, when a quadratic = ax^{2} + bx + c. The discriminant tells you what roots an equation has. A discriminant of over 0 represents 2 real roots, a discriminant of 0 = 1 real root, and a discriminant of <0 is 0 real roots (2 complex roots)

Now, substitute in the values and solve. In this equation, a = 5, b = 2, c = 1.

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Therefore, the discriminant is -16. This means that the equation has no real roots, and has 2 complex roots. Therefore, your answer is D.

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