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luda_lava [24]
3 years ago
6

Which expression is equivalent to SquareRoot -80

Mathematics
1 answer:
skelet666 [1.2K]3 years ago
4 0

Answer:

4√5i

i represents imaginary number

You might be interested in
F(x) = 8 – 3x<br>Evaluate f(9)​
Readme [11.4K]
F(x) = 8 - 3x

f(9) = 8 - 3(9)
= 8 - 27
= -19

hope this helps!
5 0
2 years ago
I need help with finding out both of the answers to these questions.
Semmy [17]

Answer:

6). unknown side is 6.23m

7). angle is 26.58 degrees

Step-by-step explanation:

you must use the Pythagoras theorem formula to find the unknown side if you have only two sides

7 0
3 years ago
Read 2 more answers
Given point A (3, 8) and point B (-5, 1). Find the following: a.) The coordinates of the midpoint of segment AB. Write your answ
ss7ja [257]

Answer:

Mid point:

= ( \frac{3 +  - 5}{2} , \:  \frac{1 + 8}{2} ) \\  = ( - 1, \: 4.5)

distance:

=  \sqrt{ {( - 5 - 3)}^{2} +  {(1 - 8)}^{2}  }  \\  =  \sqrt{64 + 49}  \\  =  \sqrt{113}  \\  = 10.6 \: units

slope:

=  \frac{1 - 8}{ - 5 - 3}  \\  =  \frac{ - 7}{ - 8}  \\  =  \frac{7}{8}

8 0
3 years ago
If f(x)=2x-3/5 , which of the following is the inverse of f(x)?
grigory [225]

Answer:

(5x+3)/2

Step-by-step explanation:

f(x)=(2x-3)/5

f(x)=y

y=(2x-3)/5

interchanging role of x and y

x=(2y-3)/5

5x=2y-3

5x+3=2y

y=(5x+3)/2

the inverse if f(x) = (5x+3)/2

5 0
3 years ago
Your work or words should justify your answer (explain how you know). As a math teacher, Josie frequently makes photocopies of f
Doss [256]

Answer:

Yes, because by dividing x by his equivalent y, you find a constant of proportionality being 10.

x / y = 10

Step-by-step explanation:

20 / 2 = 10

50 / 5 =10

60 / 6 = 10

70 / 7 = 10

7 0
2 years ago
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