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iren [92.7K]
3 years ago
6

What is the square root of -1?

Mathematics
2 answers:
Sonja [21]3 years ago
7 0

Answer: i

Step-by-step explanation: the awnser is i just trust me here

lesantik [10]3 years ago
4 0

Answer:

i

Step-by-step explanation:

Rewrite

\sqrt{ - 1}

as

i

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Find the equation of the line with slope m= -2 that contains the point (-8,18)
slava [35]

For slope-intercept form it's y=-2x+2  and for point-slope form the answer is y-18=-2(x-(-8)) or y-18=-2(x+8).

5 0
3 years ago
Can some0ne help me?
PtichkaEL [24]

Answer:

(x - 2)/3

(x - 4)/-5 or (-x + 4)/5

Step-by-step explanation:

this is an inverse function, and to solve an inverse function you would :

swap x and g(x) without bringing the x coefficient with it, just simply swap the variables. Then, solve for g(x), and that's it

the first question's answer is :

g(x) = 3x + 2

x = 3(g(x)) + 2

x - 2 = 3(g(x))

(x - 2)/3 = g(x)

the second one is:

g(x) = 4 - 5x

x = 4 - 5(g(x))

x - 4 = -5(g(x))

(x-4)/-5 = g(x)

4 0
3 years ago
Read 2 more answers
A is at (-2, 1) and B is at (4, -1).
Dmitry_Shevchenko [17]

Answer:

<em>The coordinates of P are (1,0)</em>

Step-by-step explanation:

<u>Midpoint</u>

The midpoint (xm,ym) of a segment defined by points (x1,y1) and (x2,y2) is calculated as follows:

\displaystyle x_m=\frac{x_1+x_2}{2}

\displaystyle y_m=\frac{y_1+y_2}{2}

We need to find the coordinates of P which is equidistant from the endpoints A=(-2,1) and B=(4,-1).

Calculate the midpoint:

\displaystyle x_m=\frac{-2+4}{2}=1

\displaystyle y_m=\frac{1-1}{2}=0

Thus, the coordinates of P are (1,0)

Note the midpoint does not lie on the y-axis but on the x-axis.

7 0
3 years ago
sue volunteers at the hospital. Last month she volunteered 1 3/4 hours on each of 4 saturdays. She also volunteered 3/4 hour on
svetlana [45]
1 3/4 × 4 = 7/4 × 4 = 7 hours on saturdays

3/4 × 3 = 9/4 = 2 1/4 hours on Wednesdays

7 + 2 1/4 = 9 1/4 hours of volunteering total
6 0
3 years ago
The volume of the spheres is 500/3 pie cubic units What is the value of X?
Julli [10]

Answer:

125

Step-by-step explanation:

500 ÷ 4 = 125

I think this is the right answer. sorry if I'm wrong.

3 0
3 years ago
Read 2 more answers
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