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n200080 [17]
3 years ago
12

What operation does the power 1/2 represent? Can you think of operations that other fractional powers represent, such as 1/3, 1/

4 and 2/3?
Mathematics
2 answers:
oee [108]3 years ago
7 0
It represents division

Nataly [62]3 years ago
3 0
X^1/2   represent the square root of x

x^1/3    is the cube root of x

x^2/3  represents the square of the cube root of x

Note:- the power is the numerator of the exponent and the denominator of the exponents is the root
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A chemist is estimating the volume of a solution in a test tube. The actual volume of the solution is
allochka39001 [22]
The absolute error is:
actual - estimate = 33.2 - 35 = -2.8
that in percent can be found using a rule of three, we say that 33.2 is the 100%, and we find the % for 2.8
33.2 ml -------> 100%
  2.8 ml -------> x
x =(2.8)(100)/33.2
x = 8.4
then the percent error is 8.4%
4 0
3 years ago
Enter an equation in point slope for the line with points (6,9) and (7,9)
Jobisdone [24]

Answer:

<em>y-9=0(x-6)</em>

<em>Or, equivalently: y=9</em>

<em>This represents a horizontal line</em>

Step-by-step explanation:

<em>Equation of the line</em>

The point-slope form of the equation of a line is:

y-k=m(x-h)

Where m is the slope and (h,k) is a point through which the line passes.

Suppose we know the line passes through points A(x1,y1) and B(x2,y2). The slope can be calculated with the equation:

\displaystyle m=\frac{y_2-y_1}{x_2-x_1}

The points are (6,9) and (7,9). These points dfine a horizontal line, as we'll see later.

The slope is:

\displaystyle m=\frac{9-9}{7-6}=0

m=0

Now compute the equation in point-slope form:

y-9=0(x-6)

Solving for y:

y=9

This represents a horizontal line

7 0
3 years ago
Find the circumference of a circle if the radius is 10 feet.
maria [59]

c = 2\pi r
2×3.14×10= 62.8

C ≈ 62.83

4 0
3 years ago
I need help fast
hram777 [196]

Answer:

On a coordinate plane, a line goes through (0, 3) and (2, 4) and another line goes through (0, 3) and (0.75, 0).

This answer almost coincide with option C. I suppose there was a mistype.

Step-by-step explanation:

The system of equations is formed by:

–x + 2y = 6

4x + y = 3

In the picture attached, the solution set is shown.

The first equation goes through (0, 3) and (2, 4), as can be checked by:

–(0) + 2(3) = 6

–(2) + 2(4) = 6

The second goes through (0, 3) and (0.75, 0), as can be checked by:

4(0) + (3) = 3

4(0.75) + (0) = 3

7 0
2 years ago
Read 2 more answers
Izracunaj opseg i povrsinu kruga upisanog u kvadrat stranice duljine 8 cm.
Nutka1998 [239]
(In English), your question would state the following:


<span>Calculate the circumference and circumference of the circle entered in a square 8 cm long.
</span>
So when finding the answer this this question, we know that the circumference would be the complete area of a circle.

So, I believe we would want to find what is the radius and the diameter that would make this circumference 8^c^m.

The radius would then be (1.274).
__________________________________________________________

Now in your own language (Croatian).

<span>Dakle, kad pronađemo odgovor na ovo pitanje, znamo da bi opseg bio cjelokupno područje kruga. Dakle, vjerujem da bismo željeli otkriti što je radijus i promjer koji bi ovaj opseg mogao učiniti 8cm. Radijus bi onda bio (1.274).</span>




6 0
3 years ago
Read 2 more answers
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