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Zina [86]
3 years ago
12

What is the root of the polynomial equation x(x-2)(x+3) = 18? Use a graphing calculator and a system of equations.

Mathematics
1 answer:
Trava [24]3 years ago
3 0

9514 1404 393

Answer:

  x = 3

Step-by-step explanation:

The equation can be rewritten to make use of the graphing calculator's ability to identify function zeros:

  x(x -2)(x +3) -18 = 0

The attached shows x = 3 is the only real solution.

_____

We're not sure what "system of equations" is intended. Perhaps it is ...

  y = 18

  y = x(x -2)(x +3)

To create the expression we graphed, we effectively subtracted the first equation from the second.

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Please help!!<br> I grant brainliest.
AVprozaik [17]

Answer:

x = 65, y = 63

Step-by-step explanation:

∠ EGA = ∠ HBG = 52° ( corresponding angles )

ED is a straight angle, thus

52 + y + 65 = 180, that is

y + 117 = 180 ( subtract 117 from both sides )

y = 63

-------------------------------------

∠ HGB = y = 63° ( vertical angles )

The sum of the 3 angles in a triangle = 180°, thus

x + 63 + 52 = 180

x + 115 = 180 ( subtract 115 from both sides )

x = 65

4 0
2 years ago
Write &lt;, &gt;, or = to make the statement true : .293 ___ .29
JulsSmile [24]
If you add a zero to the end of .29 it becomes .290
So, the answer is .293 > .29
7 0
3 years ago
An adult stingray can measure about 350 cm long. how many meters is 350 cm?
Liono4ka [1.6K]

Answer:

<u>3.5 meters</u>

Step-by-step explanation:

1 meter = 100 centimeters

multiply both sides by 3.5 because we are trying to get 350 cm in meters.

1 x 3.5 meters = 100 x 3.5 centimeters

<u>3.5 meters </u>= 350 centimeters

8 0
1 year ago
How to do this Question a please help from the smallest to the biggest
Pachacha [2.7K]
A. turn all fractions into decimals or all decimals into fractions; I've decided to turn all fractions into decimals

525
------- = 0.525
1000

3
-- = 0.75 = 0.750 ~ (add a zero at the end to make the decimal places         4                                equal with 0.525)

0.55 = 0.55 = 0.550 ~<span>(add a zero at the end to make the decimal places                                         equal with 0.525 and 0.750)
</span>
<span>                                          Answer to Problem 'a':</span>

Smallest = 0.525 = 525
                              -------
                              1000

Middle = 0.550 = 0.55

Largest = 0.750 = 3
                              --
                              4

b. <span>turn all fractions/mixed fractions into decimals or all decimals into fractions; I've decided to turn all fractions/mixed fractions into decimals
</span>
3.805 = 3.805

3.85 = 3.850 ~ ( <span>add a zero at the end to make the decimal places equal                                with 3.805)
</span>
3 4/5 = 80
           ----- = 0.80  =0.800 ~ (add a zero at the end to make the decimal
           100                              places equal with 3.805 and 3.850)

                                 Answers to Problem 'b':

Smallest = 0.800 = 0.80 = 3 4/5

Middle = 3.805 = 3.805

Largest = 3.850 = 3.85

5 0
3 years ago
Read 2 more answers
MATH HELP ASAP!! 10)<br> Which square root is a whole number?
Stella [2.4K]

Answer:

C - 256

Step-by-step explanation:

256 / 16 = 16.

8 0
2 years ago
Read 2 more answers
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