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stira [4]
3 years ago
11

In 0.25 of an hour, Jeremy can row 1/3 miles. How many miles can Jeremy row in 1 hour?

Mathematics
1 answer:
Elden [556K]3 years ago
3 0
1 and 1/3 miles is how long
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Find a quadratic polynomial with integer coefficients which has x = 2/9, ± SQRT23/9 as its real zeros.
melomori [17]

Answer:

The quadratic polynomial with integer coefficients is y = 81\cdot x^{2}-36\cdot x -19.

Step-by-step explanation:

Statement is incorrectly written. Correct form is described below:

<em>Find a quadratic polynomial with integer coefficients which has the following real zeros: </em>x = \frac{2}{9}\pm \frac{\sqrt{23}}{9}<em>. </em>

Let be r_{1} = \frac{2}{9}+\frac{\sqrt{23}}{9} and r_{2} = \frac{2}{9}-\frac{\sqrt{23}}{9} roots of the quadratic function. By Algebra we know that:

y = (x-r_{1})\cdot (x-r_{2}) = x^{2}-(r_{1}+r_{2})\cdot x +r_{1}\cdot r_{2} (1)

Then, the quadratic polynomial is:

y = x^{2}-\frac{4}{9}\cdot x -\frac{19}{81}

y = 81\cdot x^{2}-36\cdot x -19

The quadratic polynomial with integer coefficients is y = 81\cdot x^{2}-36\cdot x -19.

5 0
3 years ago
Solve the inequaliy: (x^2+2)(x−2)^2(6−2x)&gt;0
marin [14]
The answer is x<2
-2x^5 + 14x^4 - 36x^3 + 52x^2 - 64x + 48=0
7 0
4 years ago
Please help!!! <br>I will give brainlist thank you!!!​
makkiz [27]

Good evening ,

Answer:

The graph is a line

Step-by-step explanation:

Look at the photo below for the details.

:)

4 0
3 years ago
What is the equivalent fractions to 5/12​
Lena [83]
Answer: 10/24

Hope that help :)
3 0
3 years ago
Read 2 more answers
If N = 34, what is 7 - N?
Gre4nikov [31]
7 - N       (replace N with 34)

7 - 34

- 27


The answer is - 27
4 0
3 years ago
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