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yan [13]
3 years ago
8

Solve the polynomial equation by factoring. 3x^4+11^3-4x^2=0

Mathematics
2 answers:
Dmitry_Shevchenko [17]3 years ago
8 0

Answer:

0

Step-by-step explanation:

Sidana [21]3 years ago
5 0

Step-by-step explanation:

3{x}^{4}  + 11 {x}^{3}  - 4 {x}^{2}  = 0 \\ factor \:  {x}^{2} out \: of \: 3 {x}^{4} + 11 {x}^{3}   - 4 {x}^{2}  \\  \\  {x}^{2} ( 3{x}^{2}  + 11x - 4) = 0 \\  {x}^{2} (3x - 1)(x + 4) = 0 \\  {x}^{2}  = 0 \\ 3x - 1 = 0 \\ x + 4 = 0 \\

x = 0 \\ x =  \frac{1}{3}  \\ x =  - 4 \\

The final solution is

x=(0 , 1/3 , -4 )

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2.8 meters linen divided into 45 cm pieces = # of pieces and waste
pogonyaev
2.8 meter= 2800cms

To solve this, we can create a simple algebraic equation:
45x=2800
Divide both sides by 45.
(45x)/45=(2800)/45
x=62.222

You can make 62 full pieces.

To find the waste, multiply the numbers of pieces by the length of each.
62*45
=2790
2800-<span>2790
=10 centimeters

There would be 10 centimeters of wasted linen.

Hope this helps!
-Benjamin</span>
6 0
3 years ago
A pizza chef begins to spin a constant volume of dough to make a pie by spinning and tossing the dough into the air, such that t
Alexxandr [17]

Answer:

a ) dAt/dt  =  50,24 in/min

dh/dt  =  -  0,125 in/min

Step-by-step explanation:

The area of the top is At :

At = π*r²

a)  Tacking derivatives with respect to time:

dAt/dt  =  2* π*r * dr/dt

At   t  =  t₁      r  = 16 in     and  dr/dt =  0,5

Then

dAt/dt  =  2*3,14*16*0,5   in/min

a ) dAt/dt  =  50,24 in/min

b) The volume of the cylinder is:

Vc =  π*r²*h     ( where h is the heigh of the cylinder )

Tacking derivatives with respect to time

dVc/dt  =  2* π*r*h*dr/dt  +  π*r²*dh/dt

But  dVc/dt  = 0  since the volume remains constant, then:

π*r²*dh/dt  = -  2* π*r*h*dr/dt

r*dh/dt  =  -  2*h*dr/dt

dh/dt  = - 2*0,5*2/16  in/min

dh/dt  =  -  0,125 in/min

4 0
3 years ago
A hippopotamus can run at the speed of about 24.9 miles per hour. At this rate, how far can the hippo run in 30 minutes? Use the
tigry1 [53]
24.9 miles/hour = 24.9/60 miles/minute = .415 miles/minute 

<span>distance = speed * time </span>
<span>= .415 * 30 = 12.45 miles</span>
4 0
3 years ago
Read 2 more answers
I need the answer please I don't know it
Vlad1618 [11]
Basically the question is asking you for the area of the triangle.
The formula to find the area of a triangle is base x height divided by 2.
So in this case you would do 27 x 15.5 = 418.5
Now you divide by 2 (209.25)
So the answer is D. Hope this helps!!
6 0
3 years ago
Solve the following for y <br><br> -11x+23y=-2
shusha [124]

Step-by-step explanation:

that is the answer up there couldn't write it down

5 0
2 years ago
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