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marishachu [46]
3 years ago
7

Which choice is equivalent to the expression below? (V= square root)

Mathematics
2 answers:
ki77a [65]3 years ago
7 0
The answer is exactly c
DENIUS [597]3 years ago
6 0

Answer:

C

Step-by-step explanation:

i = \sqrt{-1}

\sqrt{125} is equal to 5\sqrt{5}

Since it is \sqrt{-125}, then you must have i as well

5i\sqrt{5}

please give a heart to give thanks :)

a crown would be nice too :)

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Solve for y in terms of x (rewrite each equation so that it starts with "y=")
White raven [17]

answers:

a. y = -6/5x + 4

b. y = 1/2x - 2

Step-by-step explanation:

a.

5y = 20 - 6x

y = 20/5 - 6/5x

y = -6/5x + 4

b.

-8y = -4x + 16

y = -4/-8x + 16/-8

y = 1/2x -2

8 0
2 years ago
I need help fast what is 9m−​(3+7​m) simplified?
iogann1982 [59]

Answer:

Simplifying 9m + -3 + -7m = 0

Reorder the terms: -3 + 9m + -7m = 0

Combine like terms: 9m + -7m = 2m -3 + 2m = 0 Solving -3 + 2m = 0

Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right.

Add '3' to each side of the equation. -3 + 3 + 2m = 0 + 3 Combine like terms: -3 + 3 = 0 0 + 2m = 0 + 3 2m = 0 + 3 Combine like terms: 0 + 3 = 3 2m = 3

Divide each side by '2'. m = 1.5

Step-by-step explanation:

Hope this helps :)

4 0
3 years ago
Can i get help working out 3x− 12 = 2x+ 3
Naddik [55]

Answer:

x = 15

Step-by-step explanation:

3x− 12 = 2x+ 3

3x-2x-12 = 3

x = 3+12

x=15

hope this helps! :)

5 0
3 years ago
the coordinates of points a and b are (2,4) and (-2,-4) respectively. what is the slope of the line that connects the two points
solmaris [256]

we are given two points as

(2,4) and (-2,-4)

Let's assume

first point as (x1,y1)=(2,4)

so, x1=2 and y1=4

Second  point as (x2,y2)=(-2,-4)

so, x2=-2 and y2=-4

now, we can use slope formula

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

now, we can plug values

m=\frac{-4-4}{-2-2}

now, we can simplify it

m=2

so, slope is 2 ..................Answer

4 0
3 years ago
ABCD is a rectangle. The length of AC is 3x - 1. The length of BD is 2x + 5.
antoniya [11.8K]

Answer:

C.13

Step-by-step explanation:

3 0
3 years ago
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