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Alex17521 [72]
3 years ago
13

Write in simplest form: what is 2^-3 in simplest form

Mathematics
2 answers:
ki77a [65]3 years ago
7 0

Answer:

1/8

Step-by-step explanation:

Likurg_2 [28]3 years ago
4 0

Answer: 1/8

2^{-3}=\frac{1}{2^{3} }=\frac{1}{8}

Step-by-step explanation:

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On Heiki's trip, the ratio of distance traveled to time is 112 km to 3 h.
allsm [11]
336

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37.3
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6 0
3 years ago
Solve 9y = 27 How can you find the value of y
Bumek [7]
You need to divide 9 to both sides in order for y to come alone. So then you would have to divide 27 by 9 and y = 3. Hope this helps!
6 0
3 years ago
What is the measure of angle 1?
frutty [35]
Sum of all the interior angles = (5-2)x180 = 540°
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3 0
3 years ago
Joe ate twice as many pieces of Halloween candy as Ed. Together they ate 48 pieces.
gulaghasi [49]

Answer: 16

Step-by-step explanation:

Let the number of candy Ed took be denoted as "x"

Since Joe ate twice the amount of candy Ed ate, then the number of candies joe ate will be denoted as "2x"

Since all together they ate a total of 48 candies, then the sum of the candies eaten by Joe and Ed is what gives a total of 48

This means:

2x + x = 48

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X = 16.

8 0
3 years ago
Find an equation for the plane that is tangent to the surface z equals ln (x plus y )at the point Upper P (1 comma 0 comma 0 ).
alexira [117]

Let f(x,y,z)=z-\ln(x+y). The gradient of f at the point (1, 0, 0) is the normal vector to the surface, which is also orthogonal to the tangent plane at this point.

So the tangent plane has equation

\nabla f(1,0,0)\cdot(x-1,y,z)=0

Compute the gradient:

\nabla f(x,y,z)=\left(\dfrac{\partial f}{\partial x},\dfrac{\partial f}{\partial y},\dfrac{\partial f}{\partial z}\right)=\left(-\dfrac1{x+y},-\dfrac1{x+y},1\right)

Evaluate the gradient at the given point:

\nabla f(1,0,0)=(-1,-1,1)

Then the equation of the tangent plane is

(-1,-1,1)\cdot(x-1,y,z)=0\implies-(x-1)-y+z=0\implies\boxed{z=x+y-1}

7 0
4 years ago
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