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Vlad [161]
3 years ago
10

If a dental patient is charged $65.97 for teeth cleaning, $127.12 for X-rays, and $94.50 for a dental exam, what should his tota

l bill be for the procedures
Mathematics
1 answer:
maks197457 [2]3 years ago
4 0
The total should be 287.59. You add the numbers (127.12+94.50+65.97) and it should equal to that.
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Step-by-step explanation:

f(x) = x² + x + 3/4

in general, such a quadratic function is defined as

f(x) = a×x² + b×x + c

the solution for finding the values of x where a quadratic function value is 0 (there are as many solutions as the highest exponent of x, so 2 here in our case)

x = (-b ± sqrt(b² - 4ac))/(2a)

in our case

a = 1

b = 1

c = 3/4

x = (-1 ± sqrt(1² - 4×1×3/4))/(2×1) =

= (-1 ± sqrt(1 - 3))/2 = (-1 ± sqrt(-2))/2 =

= (-1 ± sqrt(2)i)/2

x1 = (-1 + sqrt(2)i) / 2

x2 = (-1 - sqrt(2)i) / 2

remember, i = sqrt(-1)

f(x) has no 0 results for x = real numbers.

for the solution we need to use imaginary numbers.

6 0
3 years ago
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Answer:

Step-by-step explanation:

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5 0
3 years ago
Teresa is maintaining a camp fire. She has kept the fire steadily burning for 4 hours with 6 logs. She wants to know how many lo
elena-14-01-66 [18.8K]

Answer:

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Answer:

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El cual corresponde con la opción 1.

4 0
3 years ago
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