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Sidana [21]
3 years ago
10

How many complex roots does the polynomial equation below have?

Mathematics
1 answer:
erastova [34]3 years ago
5 0

Answer:

4.

Step-by-step explanation:

I will have one real root = fifth root of 3.

As it has a total of 5 roots ( By the Fundamental Theorem of Algebra) then it must have 4 complex roots.

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The washer in the image has an inner diameter of 1/4 inch. The outer diameter measures 3/4 inch, and the washer is 1/4 inch thic
Talja [164]

Answer:

  0.14 lb . . .  closest choice is 0.11 lb

Step-by-step explanation:

The inside and outside radii are 1/8 in and 3/8 in, respectively. Then the area of the top of the washer is ...

  A = π(R² -r²) = π((3/8)² -(1/8)²) = π(9/64 -1/64) = π/8 . . . square inches

The height of the stack of 5 washers will be 5×(1/4 in) = 5/4 in. So, the volume of material in the stack of washers is ...

  V = Bh = (π/8)(5/4) = 5π/32 . . . cubic inches

The weight of material is the product of volume and density, so is ...

  W = (5π/32 in³)(0.285 lb/in³) ≈ 0.1399 lb ≈ 0.14 lb

_____

<em>Comment on the question</em>

Since this answer does not correspond to any of the offered choices, we suggest you ask your teacher to work this out for you. We suspect they will have difficulty justifying any of the answer choices shown here. (0.11 lb corresponds to 4 washers, not 5.)

5 0
3 years ago
Find the area of the shaded portion of the figure use 3.14
S_A_V [24]

Answer:

1,772 cm²

Step-by-step explanation:

To find the answer

Area of the rectangle - Area of 2 circle inside

= Shaded Area

(40 x 60) - (2 x π x 10²) = 1,772 cm²

5 0
2 years ago
Sketch a graph of f(x)
just olya [345]

Answer:

The graph in the attached figure  

Step-by-step explanation:

we know that

For x\leq -2 -----> the interval is (-∞,-2]

f(x)=-3

For -2 < x \leq 1 -----> the interval is (-2,1]

f(x)=x

For x > 1 -----> the interval is (1,∞)

f(x)=2

The graph in the attached figure

3 0
3 years ago
A birthday cake is cut into 24 pieces.There are 6 pieces left after the party.What percentage of the cake was eaten?
Alik [6]

Answer:

75%

Step-by-step explanation:

so there's 24 pieces and 6 are left so 18 were eaten which means

\frac{18}{24}

is you percentage because 18 divided by 24 is .75 then multiply by 100 to change it to percent so .75 times 100 is 75%

4 0
3 years ago
Read 2 more answers
Y=1.7+40 finding the y intercept
Sedbober [7]

Answer:

(0,40)

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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