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posledela
3 years ago
5

What’s the correct answer

Mathematics
1 answer:
Airida [17]3 years ago
7 0

Answer:

whats the question?

Step-by-step explanation:

You might be interested in
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
Who is able to pass out flyers at a faster rate
Alexxandr [17]

Answer:

I don't know because you did not provide enough info

Step-by-step explanation:

but personally I think that I could pass the flyers out the fastest

6 0
3 years ago
Read 2 more answers
a rabbit's fur grows at a rate of 5/2 per month. How many months will it take for the rabbit's fur to grow 15/4 inches
UkoKoshka [18]
The answer is 1.5 months

explanation:

5/2 = 2.5

15/4 = 3.75


2.5 per month

3.75 per x months


x = (3.75×1)/2.5

x = 3.75/2.5

x = 3/2 = 1.5 months
3 0
3 years ago
The Jones family has saved a maximum of $750 for their family vacation to the beach.  While planning the trip, they determine th
Lemur [1.5K]

Answer:

Value of h greater than 5.4 will make inequality false.

Step-by-step explanation:

This question is incomplete; here is the complete question.

The Jones family has saved a maximum of $750 for their family vacation to the beach. While planning the trip, they determine that the hotel will average $125 a night and tickets for scuba diving are $75. The inequality can be used to determine the number of nights the Jones family could spend at the hotel 750 ≥ 75 + 125h. What value of h does NOT make the inequality true?

From the given question,

Per night expense (expected) = $125

If Jones family stays in the hotel for 'h' days then total expenditure on stay = $125h

Charges for scuba diving = $75

Total charges for stay and scuba diving = $(125h + 75)

Since Jones family has saved $750 for the vacation trip so inequality representing the expenses will be,

125h + 75 ≤ 750

125h ≤ 675

h ≤ \frac{675}{125}

h ≤ 5.4

That means number of days for stay should be less than equal to 5.4

and any value of h greater than 5.4 will make the inequality false.

3 0
3 years ago
Describe how to find the sale price of an item that has been discounted 25%.
Klio2033 [76]

Answer:

Take 1/4 of the number and that's it

6 0
2 years ago
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