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umka21 [38]
2 years ago
13

X^2-2x+15 in quadratic equation​

Mathematics
1 answer:
Arturiano [62]2 years ago
3 0

Answer:

No solution

Step-by-step explanation:

There is not a real nor an imaginary solution to this equation. You can use a radical calculator to verify.

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Find a polynomial function of degree 3 such that f(10)=17 and the zeros of f are 0, 5 and 8
fomenos

Step-by-step explanation:

Since f(0) = f(5) = f(8) = 0, we have f(x) = Ax(x - 5)(x - 8), where A is a real constant.

We know that f(10) = 17.

=> A(10)(10 - 5)(10 - 8) = 17

=> A(10)(5)(2) = 17

=> 100A = 17, A = 0.17.

Hence the answer is f(x) = 0.17x(x - 5)(x - 8).

3 0
2 years ago
A boat traveled 54 km with the stream and 42 km against the stream spending a total of as much time as it would spend while trav
Genrish500 [490]

Answer:

  • 24 km/h

Step-by-step explanation:

  • The speed of the boat  in the lake = x
  • The speed of the current = 3 km/h

<u>Required equation:</u>

  • 54 / (x + 3) + 42 / (x - 3) = 96/x
  • 9x(x - 3) + 7x(x + 3) = 16(x + 3)(x - 3)
  • 9x² - 27x + 7x² + 21x = 16x² - 144
  • 6x = 144
  • x = 144/6
  • x = 24 km/h

7 0
2 years ago
a box of cereal contains 23.4 ounces. It cost $5.49. What is the cost,to the nearest cent, of the cereal per ounce.
anyanavicka [17]
Do 5.49 / 23.4
This equals $0.23

The answer is $0.23
5 0
3 years ago
The base sales tax rate in Florida is 6%,
Slav-nsk [51]

Answer:

$18.43

Step-by-step explanation:

19.61 decrease 6% =

19.61 × (1 - 6%) = 19.61 × (1 - 0.06) = 18.4334

5 0
2 years ago
Choose all of the statements that correctly define the geometric term. 1)Two rays joined at the same end point form an angle.2)
Nadusha1986 [10]

Answer:

67

Step-by-step explanation:

8 0
3 years ago
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