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vodomira [7]
3 years ago
12

Which system of equations can be used to find the roots of the equation 12 x cubed minus 5 x = 2 x squared + x + 6? StartLayout

Enlarged left-brace 1st Row y = 12 x cubed minus 5 x 2nd row y = 2 x squared + x + 6 EndLayout StartLayout Enlarged left-brace 1st Row y = 12 x cubed minus 5 x + 6 2nd row y = 2 x squared + x EndLayout StartLayout Enlarged left-brace 1st Row y = 12 x cubed + 2 x squared minus 4 x 2nd row y = 6 EndLayout StartLayout Enlarged left-brace 1st Row y = 12 x cubed + 2 x squared minus 4 x + 6 2nd row y = 0 EndLayout
Mathematics
1 answer:
OverLord2011 [107]3 years ago
7 0

Answer:

A

Step-by-step explanation:

12x³-5x=2x²+x+6

y=12x³-5x

y=2x²+x+6

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Mumz [18]

Answer:

5/12

Step-by-step explanation:

15÷3/36 ÷3

the answer is 5/12

4 0
3 years ago
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About how accurately must the tank's exterior diameter be measured to calculate the amount of paint it will take to paint the si
kondaur [170]

Answer: The error of the diameter would be 5% .

Step-by-step explanation:

Since we have given that

S=2\pi rh

Here, r is the radius

h is the height

So, it becomes,

S=2\pi (\dfrac{D}{2})h\\\\S=\pi Dh\\\\S=\pi D\times 10\\\\S=10\pi D

So, we will derivate S wrt D, we get that

\dfrac{dS}{dD}=10\pi\\\\dS=10\pi dD---------------------(1)

As we have given that

it will take to paint the side of the tank to within 5% of the true amount.

So, it becomes,

dS=0.5\pi D ---------------(2)

So, from (1) and (2) , we get that

0.5\pi D=10\pi dD\\\\\dfrac{0.5\pi}{10\pi}=\dfrac{dD}{D}\\\\0.05=\dfrac{dD}{D}=5\%

Hence, the error of the diameter would be 5% .

5 0
4 years ago
Use the sample data and confidence level given below to complete parts​ (a) through​ (d).
Readme [11.4K]

Answer:

A

Step-by-step explanation:

yes because 3+2 +5 = 923x which is the inversde ratio of a triangle. This leads us to 1 half of 3.14, once we have 3.14, divide it by 70594. Now, you get 59.4.

Hope this helped!

8 0
3 years ago
Find the solution(s) for x in the equation below. X^2+7x=8 A.X=-1;x=8 B.X=1;x=8 C.X=1;x= -8 D. X=-1;x=-8
makkiz [27]

Answer:

x = -8 and x =1

Step-by-step explanation:

Given the equation

X^2+7x=8

X^2+7x-8 = 0

Factorize

x^2 - x +8x - 8 = 0

x(x-1)+8(x-1) = 0

(x+8)(x-1) = 0

x+8 = 0 and x-1 = 0

x = 0-8 and x = 0+1

x = -8 and 1

Hence the required solution is x = -8 and x =1

4 0
3 years ago
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Ksivusya [100]

Answer:

a=3,~ b = -6,~ c=2

Step-by-step explanation:

\text{Compare}~ 3x^2 -6x +2 =0 ~\text{with the standard form of quadratic equation,}\\\\ax^2 +bx +c =0

4 0
2 years ago
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