Does anyone know the answer to this question

Does Anyone Know The Answer To This Question

Answers

Answer 1
the answer is b
x= 1+ 3i and x= 1-3i

Related Questions

help help help help help help

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The coordinates of point B are given as follows:

B(-7, 6).

What is the midpoint concept?

The midpoint between two points is the halfway point between them, and is found using the mean of the coordinates.

For this problem, we have that M(-6,2) is the midpoint of A(-5,-2) and B(x,y).

Then the x-coordinate of point B is obtained as follows:

(x - 5)/2 = -6

x - 5 = -12

x = -7.

The y-coordinate of point B is obtained as follows:

(y - 2)/2 = 2

y - 2 = 4

y = 6.

Hence the coordinates of B are given as follows:

B(-7, 6).

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using algebra prove that given any 3 consecutive whole numbers, the sum of the square of the smallest number and the largest number is always 2 more that twice the square of the middle number

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Answer:

Let x, x + 1, and x + 2 be the three numbers.

x^2 + (x + 2)^2 = x^2 + x^2 + 4x + 4

= 2x^2 + 4x + 4

= 2x^2 + 4x + 2 + 2

= 2(x^2 + 2x + 1) + 2

= 2(x + 1)^2 + 2

help please, math question Calculate the perimeter

Answers

The Perimeter of the given figure rectangle will be 60m. The correct option is 1.

Perimeter refers to the total length of the boundary of a two-dimensional shape or object. It is the distance around the edge of a shape. To find the perimeter of a shape, you add up the lengths of all its sides.

The perimeter of a rectangle is given by the formula:

P = 2(l + w)

where P is the perimeter, l is the length, and w is the width.

Using the values you provided, we can substitute them into the formula:

P = 2(18 + 12) = 2(30) = 60 meters

Therefore, the perimeter of the rectangle with a length of 18 meters and a height of 12 meters is 60 meters.

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Change 11/5 from an improper fraction to a mixed number

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Solution: 11/5 as a mixed number is 2 1/5.

a. what is the length y
b. find out the area of the shaded part

Answers

The value of length y is,

y = 4 cm

And, The area of the shaded part is, 20 cm²

We have to given that;

A figure is shown in image.

Hence, We get;

The value of y is,

y = 4 cm

And, The area of the shaded part is,

⇒ 4 × 5

⇒ 20 cm²

Thus, The value of length y is,

y = 4 cm

And, The area of the shaded part is, 20 cm²

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Please help solve this for me

Answers

Answer:

i believe the answer would be option D

Step-by-step explanation:

Canada has a growth rate of
approximately 1%. Calculate the
doubling time.
Doubling time = 70/growth rate
A. 0.014 years
B. 100 years
C. 35 years
D. 70 years

Answers

The doubling time for Canada is approximately 70 years. (Doubling time = 70 / growth rate = 70 / 1% = 7000 / 100 = 70 years)

Therefore, the correct answer is D. 70 years.

Can you help me solve this asap

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Based on the equation, we own 100 shares of JP Morgan Emerging Markets Bond Fund and 900 shares of Fidelity Conservative Income bond fund.

How to explain the equation

The portfolio is worth $10,000 in total:

$100x + $10y = $10,000

We can now use elimination to find x:

$1100x + $110y = $110,000 -($100x + $10y = $10,000)

$1000x = $100,000 x = 100

As a result, we own 100 shares of JP Morgan Emerging Markets Bond Fund. To solve for y, we can plug this number back into the original equation:

$100x + $10y = $10,000

$100(100) + $10y = $10,000

$10y = $9,000 y = 900

As a result, we have 900 shares of Fidelity Conservative Income bond fund

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Solve the trigonometric equation for all values 0 <= x < 2pi

sin^2 x -1 = 0

Answers

The solution to a trignometric equation sin²x - 1 = 0 is x = { π/2,  3π/2}

Consider a trignometric equation,

sin²x - 1 = 0

We need to solve this trigonometric equation  for all values of angle x such that 0≤ x < 2π

Consider equation,

sin²x - 1 = 0

sin²x = 1

Takin square root,

sin(x) = ±1

when sin(x) = 1, then x = π/2

and when sin(x) = -1 then x = 3π/2

Therefore, required values of angle x = { π/2,  3π/2}

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HELP ME PLEASE PICTURE INCLUDED

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Answer:

  0.67 million miles per day

Step-by-step explanation:

You want the average rate of change of the function d(t) = ∛(6t²) on the interval [4, 8], where d is in millions of miles, and t is in days.

Average rate of change

The average rate of change of the function on the interval [a, b] is given by ...

  rate of change = (d(b) -d(a))/(b -a)

As the table in the attachment shows, this is approximately ...

  rate of change = (7.268 -4.579)/(8 -4) ≈ 0.67

The average rate of change on the interval 4 ≤ t ≤ 8 is about 0.67 million miles per day.

__

Additional comment

Mercury has an orbit of about 88 days at a distance of roughly 36 million miles from the Sun. Already at that distance, the General Theory of Relativity comes into play, making predictions from Newtonian physics somewhat problematic. It is unlikely this formula has any relation to reality for t much less than 200.

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solve for x line LK is 59; line LM no measurement; line MK no measurement; angle L is 90 degrees and angle K is 58 degrees

Answers

The value of x which I suppose is the angle M is calculated to be 32°

Calculation of angles in a triangle

In a right-angled triangle KLM, it is a known fact that the sum of the three angles in any triangle is 180°.

Since angle L is a right angle and has a measure of 90°, we can find angle M by subtracting the sum of angles K and L from 180°.

Thus,

angle M = 180° - angle K - angle L

= 180° - 58° - 90°

= 32°

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Probability Skill Check
DOOR Numbers
1
2
3
4
5
Coloured Blue, Red, Yellow and Green

What is the probability you will sit in a yellow seat? Give your answer as a fraction.
1/4
But what is the probability you will enter using an odd numbered door and sit in a green seat? Give your answer as a fraction.

Answers

The probability you will enter using an odd numbered door is 3/5, since there are three odd-numbered doors out of a total of five doors.

The probability you will sit in a green seat is 1/4, since there is one green seat out of a total of four seats.

To find the probability of both events occurring, you can multiply the two probabilities:

3/5 x 1/4 = 3/20

So the probability you will enter using an odd numbered door and sit in a green seat is 3/20.

A figure has a area of 25 units^2. what will the new area be after a dilation with a scale factor of 4 ?

Answers

The new area of the figure after the dilation with a scale factor of 4 will be 400 units²

We have,

When a figure is dilated by a scale factor of k, its area is multiplied by k².

So,

If the original area of the figure = 25 units²

Dilated by a scale factor = 4

The new area.

= (4²)(25 units²)

= 16(25 units²)

= 400 units²

Therefore,

The new area of the figure after the dilation with a scale factor of 4 will be 400 units².

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find the awnser to this question as fast as you can and make sure it’s right

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The area of the polygon to the nearest tenth is 80.7 in²

What is area of a polygon?

A polygon any closed curve consisting of a set of line segments (sides) connected such that no two segments cross. Examples of polygon include ; triangle, quadrilateral, pentagon e.t.c

The area of a polygon is expressed as;

A = 1/2nsa

where n is the number of side

a is the apothem

s is the side length

Side length = apothem × 2tan(180/n)

n = 12

s = 5 × 2tan(180/12)

s = 5 × 2tan15

s = 2.679

Area = 1/2 × 12 × 5 ×2.679

= 80.7 in²(nearest tenth)

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The principal P is borrowed at a simple interest rate r for a period of time t. Find the loans future value A or the total amount due at time t
P= 5000
r=4.5%
t = 6 months

Answers

The future value or the total amount due at time t for the loan is $5112.50.

To find the future value or the total amount due at time t for a loan with a principal P, a simple interest rate r, and a period of time t, we can use the formula for calculating simple interest;

A=P + (P × r × t)

where; A = future value or total amount due at time t

P = principal amount

r = simple interest rate

t = time period (in years)

Given the values; P = $5000

r = 4.5% (or 0.045 as a decimal)

t = 6 months (or 0.5 years)

We can substitute these values into the formula and calculate the future value;

A = 5000 + (5000 × 0.045 × 0.5)

A = 5000 + 112.5

A = $5112.50

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ANSWER AS SOON AS POSSIBLE MUST ANSWER BEFORE 10:30-35 TO GET BRAINLYS!!!

Answers

Answer:

look at the photo

Step-by-step explanation:

From the top of a 200 meters high building, the angle of depression to the bottom of a second building is 20 degrees. From the same point, the angle of elevation to the top of the second building is 10 degrees. Calculate the height of the second building to the nearest hundred meters.

Answers

Let's call the height of the second building "x". We can use trigonometry to solve for x.

First, let's draw a diagram to help visualize the problem:

A        B

\      /

 \    /

  \  / x

   \/

   C

Where:

A is the top of the 200 meters high building

B is the bottom of the second building

C is the point from which the angles of depression and elevation are measured

x is the height of the second building

From the diagram, we can see that:

angle BCA = 20 degrees (angle of depression)

angle BAC = 10 degrees (angle of elevation)

AB = 200 meters

Using the tangent function, we can write:

tan(20) = x / AB (tangent of angle BCA)

tan(10) = x / (AB + x) (tangent of angle BAC)

We can solve these equations for x:

x = AB * tan(20) (multiply both sides by AB)

x = (AB * tan(10)) / (1 - tan(10)) (multiply both sides by 1 - tan(10), then simplify)

Plugging in the values we know:

x = 200 * tan(20)

x = (200 * tan(10)) / (1 - tan(10))

Using a calculator:

x ≈ 67.35 meters

Therefore, the height of the second building is approximately 67 meters (to the nearest hundred meters).

at irvs cycle rental shop irv rents all kinds of cycles: unicycles, tandem bikes, regular bikes, and even tricycles for little kids. he parks all the cycles in front of his shop with a helmet for each rider strapped to the cycles. this morning irv counted 57 helmets and 115 wheels parked in front of his store. he knows he had an equal number of unicycles and tandem bikes. he also knows that he has 32 regular bikes. how many unicycles, tandem bikes, and tricycles does irv have

Answers

The number of unicycles, tandem bikes, and tricycles that IRVS Cycle Rental has are:

unicycles - 8 tandem bikes - 8 tricycles - 9

How to find the items the shop has ?

The relevant equations, ( assuming that unicycles as U, tandem bikes as T, and tricycles as R ) are:

U + T + 32 + R = 57

U + 2T + 2 x 32 + 3R = 115

U = T

Using substitution, we get:

U + 2T + 64 + 3R = 115

U + 2T + 3R = 51

U + 2U + 3R = 51

3U + 3R = 51

Solving gives:

2U + R = 25

U + R = 17

U = 8

Solving for R, we have :

8 + R = 17

R = 17 - 8

R = 9

U and T are the same so T is 8 as well.

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simplify. sqrt 7 / 2square root 11

Answers

The answer to the above question is [tex]\sqrt{77}/22[/tex]

understanding surd simplification

A surd is an irrational number, that is, a number that cannot be expressed as a simple fraction or ratio of two integers.

Given the expression:

[tex]\frac{\sqrt{7} }{2\sqrt{11} }[/tex]

Multiply both numerator and denominator by a factor. In this case our factor is [tex]\sqrt{11}[/tex]

Then we have:

= [tex]\frac{\sqrt{7} }{2\sqrt{11} }*\frac{\sqrt{11} }{\sqrt{11} }[/tex]

This gives us:

=  [tex]\frac{\sqrt{7} * \sqrt{11} }{2\sqrt{11} * \sqrt{11} }[/tex]

This should give us:

= [tex]\frac{\sqrt{77} }{2*11 }[/tex][tex]\frac{\sqrt{77} }{22 }[/tex]

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At age 20, someone sets up an IRA (individual retirement account) with an APR of 5%. At the end of each month he deposits $65 in the account. How much will the IRA contain when
←he
retires at age 65? Compare that amount to the total deposits made over the time period.
After retirement the IRA will contain $ 131,718.42
(Do not round until the final answer. Then round to the nearest cent as needed.)
The total deposits made over the time period is $
(Type a whole number)
CETT

Answers

Answer:

  total deposits: $35,100

Step-by-step explanation:

You have the value of an annuity earning 5% with payments of $65 a month for 45 years as $131,718.42. You want to know the total value of payments.

Payments

12 payments per year of $65 for 45 years will have a total value of ...

  12·65·45 = 35100

Total deposits will be $35,100.

A building calls for 1 1/2 foot boards. How many can be cut from a 12 foot long board

Answers

Answer:

To find out how many 1 1/2 foot boards can be cut from a 12 foot long board, we need to divide the length of the board by the length of each board.

First, we need to convert 1 1/2 feet to an improper fraction.

1 1/2 = (2 x 1 + 1) / 2 = 3/2

So, each board is 3/2 feet long.

Next, we divide the length of the 12 foot long board by the length of each board:

12 / (3/2) = 12 x 2/3 = 24/3 = 8

Therefore, 8 boards of length 1 1/2 feet can be cut from a 12 foot long board.

Step-by-step explanation:

Andretti Company has a single product called a Dak. The company normally produces and sells 82,000 Daks each year at a selling price of $62 per unit. The company’s nit costs at this level of activity are given below: Direct materials $ 7.50 Direct labor 9.00 Variable manufacturing overhead 2.40 Fixed manufacturing overhead 7.00 ($574,000 total) Variable selling expenses 3.70 Fixed selling expenses 3.50 ($287,000 total) Total cost per unit $ 33.10

Answers

There is a financial advantage of $ 1,187,520.

Incremental Costs and Revenues will be as follows

Increment in sales = 82,000 units × 40% = 32,800 units

and, Selling Price

= (32,800 units × $62 per unit)

= $ 2,033,600

Direct materials

= $ 7.50 × 32,800 units

= 246,000

Direct labor

= $ 9.00 × 32800

= $295,200

and, Variable manufacturing overhead

= 2.40 x 32800

= $78, 720

So, the contribution is

= 2,033,600 - (246000 + 285200 + 78720)

= 1,423,680

Now, Variable selling expenses

= 32800 x 3.7

= 121,360

and, Fixed Selling Expenses

= 32800 x 3.5

= 114,800

So, Net income = 1, 187, 520

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I NEED HELP RIGHT AWAY WITH 3 4 5 and 6

Answers

1. AB is a tangent, the triangle is a right triangle

2. AB is  not a tangent, the triangle is not a right triangle and hence not a Pythagorean triple

3. arc RS = 100 degrees

4. arc ST =  80 degrees

5. arc RTS = 260 degrees

6. arc RST = 180degrees

7. x = 3

8. x = 7

How to determine whether AB is a tangent

A tangent will obey Pythagorean triple hence we have that

AB^2 = AC^2 + BC^2

1. AB^2 = 24^2 + 10^2 = 676

AB = sqrt (676) = 26. hence AB is a tangent

2. AB^2 = 8^2 + 11^2 = 185

AB = sqrt (185) = 13.6. hence AB is not a tangent

Length of arc

3. arc RS = 100 degrees (central angle equals intercepted arc)

4. arc ST = 180 - arc RS = 180 - 100 = 80 degrees

5. arc RTS = 180 + arc ST = 180 + 80 = 260 degrees

6. arc RST = 180degrees (semicircle)

Value of x

7. x + 8 = 5x - 4

8 + 4 = 5x - x

12 = 4x

x = 3

8. 4x + 5 = 6x - 9

4x - 6x = -9 - 5

-2x = -14

x = 7

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Jennifer has watched 40 minutes of a movie, which is 20% of the movie. What
is the total length in minutes of the movie?But is not 210

Answers

Answer: 200

Step-by-step explanation: 20% of 200 is 40

Answer:

200

Step-by-step explanation:

Since 20% of the movie is equal to 40 minutes of the entire movie, simply just keep adding 40 repeatedly until you hit 100%.

40+40+40+40+40=200

^      ^     ^     ^     ^

20+20+20+20+20=100

witch values are solutions to the inequlity [tex]x^{2} \leq 8[/tex]

Answers

Answer:

x ≤ [tex]\sqrt[2]{2}[/tex]

Step-by-step explanation:

x² ≤ 8

[tex]\sqrt{x^{2} }[/tex] ≤ [tex]\sqrt{8}[/tex]

x ≤ [tex]\sqrt[2]{2}[/tex]

Need help??? With this question

Answers

Answer:

28+36+y=180

64+y=180

y=180-64

y=116°

о
What are three things that your
personality test can tell you?
Choose three answers.
How you prefer to interact with
others
How to break up with a partner
What you might enjoy in a career
1/3
How you rocharge your onoray

Answers

The three things that a personality test can tell you are:

A. How you prefer to interact with others.

C. What you might enjoy in a career.

D. How you recharge your energy.

What is personality test?

A personality test is a tool used to assess and measure an individual's traits, characteristics, and patterns of behavior.

It may be a series of questions or statements that the individual must respond to.

The results are used to determine the person's strengths and weaknesses, their communication and social interaction (like if they are extrovert or introvert), how they process information and decision-making, etc.

They can also tell of an individual's preferred methods of finding balance in their lives, like spending time alone or with friends and families, being in nature, etc.

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X + y = 8
If x = -1 what is y?

Answers

Answer: 9

Step-by-step explanation:-1 plus 9 equals 8

Answer: y = 9

Step-by-step explanation:

First of all, you right out your equation

x + y = 8

Secondly, you sub in the values you have

-1 + y = 8

Then you can swap your answer and y

-1 + 8 = y

Work out the answer

-1 + 8 = 9

Answer is y = 9

How is the greatest common factor of 8x^5, 12x^3, and 20x^2 4x^2 when 2 does not go evenly into 5?

Answers

We can factor each of the given terms so that 4x^2 shows up

8x^5 = 4x^2*2x^3

12x^3 = 4x^2*3x

20x^2 = 4x^2*5

This shows how 4x^2 is the GCF of 8x^5, 12x^3, and 20x^2

-----------------

Here's how to find the GCF of terms involving variables.

First, find the GCF of the coefficients 8, 12 and 20.

List the prime factorizations

8 = 2*2*212 = 2*2*320 = 2*2*5

Then circle "2*2" since it is found in all three factorizations. Do not circle 3 because it's not found in 8 or 20. Do not circle 5 since it's not found in 8 or 12.

Therefore, the GCF of {8,12,20} is 2*2 = 4.

As for the variable terms, we look for the smallest exponent.

The exponents for x^5, x^3, x^2 are 5,3,2 in that order. The smallest exponent is 2, so x^2 is part of the GCF.

----------------

Summary:

We found the GCF of the coefficients was 4.

The GCF of the variable terms was x^2

That's how we arrive at the GCF of 4x^2

Please help me 10 extra points

Answers

The probability of getting hearts or face cards is 25/52.

We know that, Probability of an event = Number of favorable outcomes/Total number of outcomes.

Total number of outcomes = 52 cards

Number of hearts = 13

Number of face cards = 12

Probability getting hearts = 13/52

Probability getting face cards = 12/52

P(Hearts or Face card) = 13/52 + 12/52

= 25/52

Therefore, the probability of getting hearts or face cards is 25/52.

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