Mathematics College

Which expression is a sixth root of -1+i sqrt3?
(Look at photo for options)

Answers

Answer 1

Answer:

6sqrt2(cos(20)+I sin (20))

Answer 2

Answer:

The answer is D: 6sqrt2(cos(20)+isin(20))

Step-by-step explanation:

I’ve honestly been trying to figure out why this is the answer but I have no idea I just happened to get it right.

Related Questions

If k(x) = 2x^2-3√x, then k(9) is

1) 315
2) 307
3) 159
4) 153

Answers

Answer:

153

Step-by-step explanation:

k(9)=2×9^2-3/9

k(9)= 2×81-9

k(9)=153

The rectangle below has an area of x^2-4x-12x 2 −4x−12x, squared, minus, 4, x, minus, 12 square meters and a length of x+2x+2x, plus, 2 meters.

Answers

Answer:

Step-by-step explanation:

600% of what number is 4,200

Answers

Answer: Trust me pleas, 14.29%.

Step-by-step explanation: On my dead moms grave.

Answer:

700

Step-by-step explanation:

600% of 700 is equivalent to multiplying them:

600% × 700 = ?

600% × 700 =

(600 ÷ 100) × 700 =

(600 × 700) ÷ 100 =

420,000 ÷ 100 =

4,200

Help help me please and tell me where to put the graph points please

Answers

Answer:

y=MX+B

Step-by-step explanation:

the 4 you will put it on the y axis and you'll go down 1 since it's negative and 5 times to the right since it's positive

HELP ME PLEASEEEEEEEEE

Answers

Answer:

11 units

Step-by-step explanation:

Just count the square or units in between the 2 points and there are 11 units in between them

The larger cube measures 20 cm on each edge. What is the surface area?

Answers

Answer:

2400

Step-by-step explanation:

Give Me brainllest plz T-T

!NO LINKS, NO FILES!

please :)

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Answer:

Step-by-step explanation:

Hope dis Helps

What is the mode of this
data?
5, 3, 3, 6, 7, 9, 10
uh help

Answers

Answer:

Step-by-step explanation:

3 appears the most (twice)

The rest of the numbers only appear once

what does it mean to square and cube a number?

Answers

Answer:

When you multiply a whole number by itself, you get a square number. When you take three copies of a whole number and multiply them all together, you get a cube number.

a group of 4 students buy movies tickets for $24.At this rate, how much would 20 students pay for the movies

Answers

Answer:

$120.

Step-by-step explanation:

Just multiply 4 by 5 since it makes 20. Since we know that the price for 4 people is $24, you multiply 24 by 5 since you are paying for 20 people.

It’s 120 all you have to do is divide 24 by 4 to get how much it would be for one person then you multiply that by 20 and you get 120

A zoo has 15 toucans and 75 parrots What is the ratio of the number of toucans to the number or parrots in the zoo

Answers

Answer:

Since there is 15 toucans and 75 parrots the ratio would be written as

15/75

Step-by-step explanation:

As of 15 to 75. Then write out with a colon between the too! 15:75

Hope this helped and have a wonderful day!! <33

1. Find (f(g(2)) for f(x)= 3x² and g(x)= 5 - x.

Answers

Answer: 27

Step-by-step explanation:

Suppose y varies directly as x and y = 20 when x = 8. What is the value ofy whenx = 12?

y =__

Answers

Answer:

y = 30

Step-by-step explanation:

Use the direct variation equation, y = kx

Plug in 20 as y and 8 as x, then solve for k:

y = kx

20 = k(8)

2.5 = k

So, the equation is y = 2.5x

Plug in 12 as x, and solve for y:

y = 2.5x

y = 2.5(12)

y = 30

So, when x = 12, y = 30

Every hour of training raises the salary $ _____.

Answers

Answer:

salary increases by $ 10 every hour

Profit, P (x), is the difference between revenue, R (x), and cost C (x), so P (x) = R (x) - C (x), Which expression represents P (x), if R (x) = 2x^4 - 3x^3 + 2x - 1 and C (x) = x^4 - x^2 + 2x + 3?
A) x^4 - 3x^3 - x^2 + 4x +2
B) 3x^4 - 3x^3 - x^2 + 4x + 2
C) x^4 - 3x^3 + x^2 - 4
D) 2x^8 - 3x^3 + x^2 - 4

Answers

I think the answer is C

find the cost of 72 books at 5.75

Answers

Answer: $414

Step-by-step explanation:

Total of books= 72

Cost of each book= $5.75

72(5.75)= $414

please need to show work

Answers

Answer:

Step-by-step explanation:

formula is A=2a2+4ah

A= 2*5^2+4*5*5

A=50+100

A=150

What is BD? please help

Answers

We’re looking for the angles right?

i think you would set BC and CD equal to 180 bc BD is a straight line (180°). so x+5+x. you'd have 2x+5=180. once you get the x value, you'd plug it into the x+5 to get that length. i am not 100% about this though bc it does seem weird to have a decimal length..

In triangle ABC, m∠A=(2x+2)∘, m∠C=54∘, and the exterior angle at B is (4x)∘.
Triangle A B C. Angle A is 2 X plus 2 degrees, angle C is 54 degrees, & the exterior angle at B is 4 X degrees.

What is the measure of angle A?
58∘
112∘
28∘
68∘

Answers

Answer:

58°

Step-by-step explanation:

The exterior angle of a triangle is equal to the sum of the two remote interior angles.

m∠A + m∠C = measure of exterior angle at B

2x + 2 + 54 = 4x

2x + 56 = 4x

2x = 56

x = 28

m∠A = 2x + 2 = 2(28) + 2 = 56 + 2 = 58°

Answer:

Step-by-step explanation:

Remark

<A + <C = the exterior angle.

Two remote interior angles = the exterior angle that neither connects to.

Remote means that the angles do not share any line in common with the remote angle. One of them might share a line extended with the exterior angle.

Equation

<A + <C = Remote angle connected to the supplement of B

Givens

m<A = 2x + 2

m<C = 54

Remote angle = 4x

Solution

2x + 2 + 54 = 4x Combine like terms on the left

2x + 56 = 4x Subtract 2x from both sides

56 = 4x - 2x

2x = 56 Divide by 2

x = 56/2

x = 28

Answer

<A = 2x + 2

<A = 2*28 + 2

<A = 56 + 2

<A = 58

Whats 3/10 divided by 6?

Answers

Answer:

0.05

Step-by-step explanation:

Hope this helps you!

____times 10=662.2
____times 100=403
____times 1000=108

Answers

Answer:

1. 66.22

2. 4.03

3. 0.108

Step-by-step explanation:

divide the answers by the other numbers (10,100,1000)

662.2 ÷ 10 = 66.22

403 ÷ 100 = 4.03

108 ÷ 1000 =0.108

~R3V0

An agricultural scientist collected data to study the relationship between the amount of nitrogen added to a cornfield and the number of
bushels of corn produced. This is the regression line of the data, where y is measured in bushels of corn and x is measured in pounds of
nitrogen.
y = 0.43x + 28.5
What is the meaning of the slope of the regression line?
O A. For every 0.43 pounds of nitrogen added to the field, the amount of corn yielded increases by 28.5 bushels.
OB. For every 1 pound of nitrogen added to the field, the amount of corn yielded increases by 0.43 bushels.
-
OC. For every 1 pound of nitrogen added to the field, the amount of corn yielded increases by 28.5 bushels.
OD. For every 28.5 pounds of nitrogen added to the field, the amount of corn yielded increases by 0.43 bushels.

Answers

Answer:

Step-by-step explanation:

just done the assignment

Linear regression line is a algebraic model to show the relationship between the two models by putting the value of the one variable to get the value of other.. For every 1 pound of nitrogen added to the field, the amount of corn yielded increases by 0.43 bushels. Therefore the option B is the correct option.

Given information-

The equation of the experiment to know the relationship between the amount of nitrogen added to a cornfield and the number of bushels of corn produced is,

[tex]y=0.43x+28.5[/tex]

Linear regression line

Linear regression line is a algebraic model to show the relationship between the two models by putting the value of the one variable to get the value of other.

Linear regression line can be represent as,

[tex]y=Ax+B[/tex]

Here x is the explanatory variable and y is the dependent variable. A is the slope of the line and B is the intercept.

In the given equation there are two variable given.

Variable x represent the amount of nitrogen added, and the variable y, represents the number of bushels of corn produced.

As putting the value of x the y increases with value of number 0.43. Thus as we are increasing the value of the nitrogen with unit 1 the number of bushels of corn produced is increased by unit 0.43.

Hence for every 1 pound of nitrogen added to the field, the amount of corn yielded increases by 0.43 bushels. Therefore the option B is the correct option.

Learn more about the linear regression here;

https://brainly.com/question/25311696

Please Help Me ASAP.

Answers

Answer:B

Step-by-step explanation:

the answer is b hope it’s right ‘

Sam's T-shirt business uses the demand function P =-Q + 26 and the
supply function P = Q-10. Acceding to these functions, what will the
equilibrium point (P,Q) be for Sam's T-shirt business?

A: (8,18)
B: (18,8)
C: (26,10)
D: (10,26)

Answers

Answer:(26,10) is your answer

Step-by-step explanation:

3. Terry wants to buy 3 toys.
He can choose trucks or robots.
Complete the table to show three
different ways Terry can choose
the 3 toys.

Answers

Answer:

Robot truck robot

truck robot truck

robot robot robot

truck truck truck

Step-by-step explanation:

write an expression that represents the quotient of a number and 3 multiplied by 4

Answers

Answer:

N (3×4) or (N×3) 4

Step-by-step explanation:

If I spin the spinner 200 times, how many times may I expect it to land on
blue?

Answers

200 divide by 5 is 40
so you should expect it to land on blue 40 times

Graph the equation. y=4(x +6)(x +4) This is a khan academy question and just write the points please

Answers

Answer:

Please see the image below.

Step-by-step explanation:

Please help I'll give brainliest

Answers

This should be 33. Height multiplied by base. 11x6=66 then over 2. 66/2 = 33

Hope it helps you

Have a good day

plz help will give crown

Answers

Answer: I would have to say 1/21

Step-by-step explanation: Because since there is only 2 aces i believe that drawing one is quite out of the ordinary.

1/21

Explanation:

I think it’s 1/21 but I’m not 100% sure

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Which expression is a sixth root of -1+i sqrt3? (Look at photo for options)

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Which expression is a sixth root of -1+i sqrt3?
(Look at photo for options)