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mixas84 [53]
3 years ago
14

HELP ALSO IGNORE THE SKETCH THING I EONT NEED THAT

Mathematics
2 answers:
adell [148]3 years ago
8 0

Answer:

A. 92% bc 100-8= 92 so 216 animals are 92% of the now 233 animals after 8% increase.

B. 100% bc that is the final # of animals.

Elza [17]3 years ago
8 0
A I think lol bye your welcome!
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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
i a man even number beetween 50 and 99 i am a multiple of 9 my tens digit is 5 more than my units digit
vodomira [7]
Hello,
multiple of 9 betheen 50 and 99 are :54,63,72,81,99
and 54,72  are even.
5-4=1 and not 5
7-2=5 ok

72 is the number searched.
6 0
3 years ago
Help me please with 23-26 compare use &lt; &gt; =
Andreyy89
23. =
24. >
25. =
26. >
8 0
3 years ago
Read 2 more answers
Find the Exponential Regression using the table. Write the initial amount, common ratio, and equation for the table.
Triss [41]

Answer:

Initial temperature;

432.76

Common ratio;

-0.067

Equation;

y=432.76e^{-0.067x}

Step-by-step explanation:

In this scenario, the time in minutes represents the independent variable x while the temperature of the pizza represents the dependent variable y.

The analysis is performed in Ms. Excel. The first step is to obtain a scatter plot of the data then finally inserting an exponential trend line to obtain the required equation.

The Ms. Excel output is shown in the attachment below. To obtain the initial temperature we substitute x = 0 in the equation. On the other hand, the common ratio is the exponent in the equation.

6 0
3 years ago
Franklin Construction Company build a sidewalk around two sides of a new library, as shown in the figure. what is the area of th
PtichkaEL [24]

Answer:

630.36\ ft^2

Step-by-step explanation:

we know that

To find out the area of the sidewalk, multiply the length by the width of the sidewalk

The width of the sidewalk is equal to

113.4\ ft-110\ ft=3.4\ ft

or

75.4\ ft-72\ ft=3.4\ ft

The area is equal to

113.4(3.4)+72(3.4)\\385.56+244.8\\630.36\ ft^2

4 0
3 years ago
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