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Levart [38]
3 years ago
5

Solve 3 x cube minus 4 x square​

Mathematics
1 answer:
motikmotik3 years ago
7 0

Answer:

The answer is 3x^3-4x^2

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Bob spent twice as much as james, who spent four times as much as Nava. If Bob and James together spent $180, how much did James
Ganezh [65]
Let's say that Bob is x and James is y

x + y = 180
x = 2y

2y + y = 180
y = 60.
James spent 60 dollars. 
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3 years ago
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20-8 divided by 2 to the second powerX3
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6

Step-by-step explanation:

20-8=12

12÷2=6

6x6=36

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Is -54 rational number whole number or integersis
Yuki888 [10]

Answer:

-54 is a integer and rational number

Step-by-step explanation:

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3 years ago
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son4ous [18]

Answer:

Step-by-step explanation:

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3 years ago
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Given that f(x) = 19x2 + 152, solve the equation f(x) = 0
telo118 [61]

<em><u>Option A</u></em>

<em><u>The solution is:</u></em>

x = \pm 2i \sqrt{2}

<em><u>Solution:</u></em>

f(x) = 19x^2+152

We have to solve the equation f(x) = 0

Let f(x) = 0

0=19x^2+152

Solve the above equation

19x^2 + 152 = 0

\mathrm{Subtract\:}152\mathrm{\:from\:both\:sides}\\\\19x^2+152-152=0-152\\\\Simplify\ the\ above\ equation\\\\19x^2 = -152\\\\\mathrm{Divide\:both\:sides\:by\:}19\\\\\frac{19x^2}{19} = \frac{-152}{19}\\\\x^2 = -8

Take square root on both sides

x =  \pm \sqrt{-8}\\\\x = \pm \sqrt{-1}\sqrt{8}\\\\\mathrm{Apply\:imaginary\:number\:rule}:\quad \sqrt{-1}=i\\\\x = \pm i\sqrt{8}\\\\x = \pm i \sqrt{2 \times 2 \times 2}\\\\x = \pm 2i\sqrt{2}

Thus the solution is found

5 0
2 years ago
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