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Free_Kalibri [48]
2 years ago
8

Please help!

Mathematics
1 answer:
Rudik [331]2 years ago
5 0
C. i hope this is correct
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Chris goes to Matt’s hamburger store to buy an hamburger. Each hamburger must contain exactly one bread, one lettuce, one cheese
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216

Step-by-step explanation:

2 * 2 * 3 * 3 * 6 = 216

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The digits 1, 2, 3, and 4 are used to make a 3-digit number. Each digit can be repeated. What is the total number of 3-digit num
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Find the sum of the roots of the quadratic x^2 + 7x - 13 = 0
Hoochie [10]

Answer:

-7

Step-by-step explanation:

You use the quadratic formula of ax^{2} +bx+c = 0 to get:

a = 1

b = 7

c = -13

then you plug that into x= (-b ± √b²-4ac)/(2a) :

x= ( -7 ± √7²- 4(1)(-13) )/(2(1))

x=-\frac{7}{2} + \frac{\sqrt{101}}{2} \\\\x=-\frac{7}{2} - \frac{\sqrt{101}}{2}

The sum of these two x values turns out to be:

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3 years ago
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