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Anton [14]
2 years ago
8

Evaluate the following: (Your answers should have an i in them)

Mathematics
2 answers:
Yuliya22 [10]2 years ago
6 0

Answer:

math error ...............

ElenaW [278]2 years ago
5 0
2i√5

Explanation:
When using square root on a negative, simply take out the negative and use an i. This way, the equation is i√20.
Simplify the 20 by taking out 4 and 5.

i√4*5
Since the square root of 4 is 2, you can take out the 4 and replace it with a 2 on the outside.
2i√5

Hope this helps! Please give brainliest if you can :)
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Does 3 noncollinear points always from a triangle?
Lesechka [4]

Answer:

I'm pretty sure that is correct. 3 non collinear points always form a triangle.

5 0
2 years ago
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The graph of f(x) shown below
bonufazy [111]

Answer:

C

Step-by-step explanation:

the "-" sign can't be true, because that would have turned the whole graph of x² upside-down. but it is not.

so, we need a positive sign for the x term.

and the whole graph is shifted to the right. so the functional value of x of F(x) is now the same that happened "earlier" (for smaller x) with G(x). so, the argument "x" is now reduced (by 3 units, as the graph is shifted right by 3 units) in the calculation compared to the original G(x) calculation.

therefore, the ...(x-3)... expression is right.

so, positive sign and "(x-3)" is only in C.

7 0
2 years ago
Which represents the inverse of the function f(x) = 4x?
kondor19780726 [428]

Answer:

Step-by-step explanation:

(1) = f(x) = 4x

y = 4x\\x = 4y\\y = \frac{x}{4}\\f^{-1}(x) = \frac{x}{4}

(2) h(x) = x + 4

y = x + 4

Replace x with y and vice versa:

x = y + 4

And then solve for 'y':

y = x - 4

h^{-1}(x) = x - 4

(3) h(x) = x - 4

y = x - 4

x = y - 4

y = x + 4

h^{-1}(x) = x + 4

(4) h(x) = 2x

y = 2x

x = 2y

y = \frac{x}{2}

h^{-1}(x) = \frac{x}{2}

5 0
3 years ago
Help me please <br> And good morning
konstantin123 [22]

Answer:

It should be -8

Step-by-step explanation:

5 0
3 years ago
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Dan weighs 205 pounds but is only 5 feet 8 inches tall. Evan is 6 feet tall. How much would you expect Evan to weigh if they hav
Alexandra [31]

Answer:

217.0588235294118

Step-by-step explanation:

Convert all height to inches.

5' 8" = 68 inches

6' = 72

205/68 = 3.014705882352941

Height/Weight Ratio * Evan's Height = 217.0588235294118

5 0
3 years ago
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