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babunello [35]
3 years ago
8

Is 14 a root of the equation 2x - 16 = - 44 ? Why or why not

Mathematics
1 answer:
vampirchik [111]3 years ago
4 0

Answer:

No

Step-by-step explanation:

If x = 14 is a root then substituting x = 14 into the equation should make both sides equal.

2(14) - 16 = 28 - 16 = 12 ≠ - 44

Thus x = 14 is not a root of the equation

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What is the area of the largest rectangle with lower base on the x-axis and upper vertices on the curve y = 27 - x2?
statuscvo [17]
The answer is 54 square units.
let the vertex in quadrant I be (x,y) 
<span>then the vertex in quadratnt II is (-x,y) </span>
<span>base of the rectangle = 2x </span>
<span>height of the rectangle = y </span>
<span>Area = xy </span>
<span>= x(27 - x</span>²<span>) </span>
<span>= -x</span>³<span> + 27x </span>
<span>d(area)/dx = 3x</span>²<span> - 27 </span><span>= 0 for a maximum of area </span>
<span>3x</span>²<span> = 3 x 3</span>² = <span>27 </span>
<span>x</span>²<span> = 9 </span>
<span>x = ±3 </span>
<span>y = 27-9 = 18 </span>
So, the largest area = 3 x 18 = 54 square units
5 0
3 years ago
Read 2 more answers
Giving brainleyest
sweet-ann [11.9K]

Answer:

Answer is 6....this is 100 % correct answer

<h3>Hope this helps u.... ^_^❤️</h3>
5 0
3 years ago
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(01.04) Solve the following for y: 4x + 2y = −2 (6 points)
Marat540 [252]

Factor out the common term 2

2(2x + y) = -2

Divide both sides by 2

2x + y = -1

Subtract 2x from both sides

<u>y = -1 - 2x</u>

6 0
3 years ago
The height above the ground of a passenger on a Ferris wheel t minutes after the ride begins is modeled by the differentiable fu
Morgarella [4.7K]

Answer:

(D) The passenger's height aloe the ground is increasing by 15.708 meters per minute 7.5 minutes after the ride begins.

Step-by-step explanation:

Here, H(t) is the height after the t minutes of time.

Given :

H'(7.5) = 15.708 meters / minute

H'(t) = $\frac{d(H(t))}{dt}$

     = rate of change of the height

So, here, H'(t) = rate of change of height

Therefore, H'(7.5) = 15.708 meters / minute

It shows that the passenger's height is increasing at rate 15.708 meters per minute at time t = 7.5 minutes after the ride begins.

4 0
3 years ago
Can somebody help me I'm about to cry yall.
Kobotan [32]

Answer:

a,c,f

Step-by-step explanation:

, 1 gallon = 8 fluid oz so if its 2 u multiply 8 by 2

5 gallons and if its 8 oz each 8x5=40 oz

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there might be more but i dont think there is

5 0
2 years ago
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