Centro (2,-3) y radio 2 representado algebraicamente?​

Answers

Answer 1

Se representa algebraicamente como (x - a) 2 + (y - b) 2 = r2 donde el centro del círculo es el punto (a, b) y tiene un radio r. En el plano complejo un ...


Related Questions

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Answers

Answer:

i dk what to say

Step-by-step explanation:

Answer:

hhahahha i need my points on my alt account

Step-by-step explanation:

let me answer!!!!!!!!!

An employee spent 60 minutes responding to 8 email message ,how much time did the employer spend responding to each email message

Answers

Answer:

So in order to get your answer all you need to do is divide 60 by 8 to get your answer

Step-by-step explanation:

Answer= 7.8 mins

The employee spent 7.5 minutes per mail.

What is expression?In mathematics, an expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context.Mathematical symbols can designate numbers (constants), variables, operations, functions, brackets, punctuation, and grouping to help determine order of operations and other aspects of logical syntax.

Given is that an an employee spent 60 minutes responding to 8 email message.

The employee spent 60 minutes responding to 8 email message. This means that he would spent (60/8) or 7.5 minutes per mail.

Therefore, the employee spent 7.5 minutes per mail.

To solve more questions on expressions, visit the link below -

brainly.com/question/1041084

#SPJ5

What is the answer for this?

Answers

12+c-2d. Distribute the 4 to everything in the ( ). The multiply and reduced

Frank and Carl do some fundraising for their scout group. Together they raised 237 dollars. If Frank raised m dollars, and Carl raised
137 dollars:
Write an equation that represents the relationship between the amounts each contributed. (Note that we are not looking to solve for m yet.)

Answers

Answer:

237 = m + 137

this is the equation showing the relationship

According to the rational root theorem, which of the following are possible
roots of the polynomial function below?
F(x) = 4x2 - 6x2 + 9x + 10

A.5/4
B.1/3
C.-1/2
D.5
E.6
F.-2

Answers

Given:

The polynomial function is

[tex]F(x)=4x^3-6x^2+9x+10[/tex]

To find:

The possible roots of the given polynomial using rational root theorem.

Solution:

According to the rational root theorem, all the rational roots and in the form of [tex]\dfrac{p}{q}[/tex], where, p is a factor of constant and q is the factor of leading coefficient.

We have,

[tex]F(x)=4x^3-6x^2+9x+10[/tex]

Here, the constant term is 10 and the leading coefficient is 4.

Factors of constant term 10 are ±1, ±2, ±5, ±10.

Factors of leading term 4 are ±1, ±2, ±4.

Using rational root theorem, the possible rational roots are

[tex]x=\pm 1+,\pm 2, \pm 5, \pm 10,\pm \dfrac{1}{2}, \pm \dfrac{5}{2}, \dfrac{1}{4}, \pm \dfrac{5}{4}[/tex]

Therefore, the correct options are A, C, D, F.

A company has to buy computers and printers. Each computer, x, costs $560 and each printer, y, costs $340. If the company spends $6,540 and buys a total of 16 machines, how many of each did it buy?

Enter a system of equations to represent the situation, then solve the system.

The system of equations is __________ and ____________.

The company bought __________computers and _________printers.

Answers

Answer:

yrsdhhdjdbzbdvbs. Es 560

write three hundred and sixteen thousand, two hundred and twenty-ninety in numerical form​

Answers

Answer: 316,229

Step-by-step explanation:

PLEASE HELP ME!!!!
For the given functions f and g, find the indicated composition.
f(x) = -6x +5, g(x) = 2x + 8; (g of)(x)
A. - 12x - 2
В.- 12x + 53
C. 12x + 18
D.- 12x + 18

Answers

Answer:

D. -12x + 18

Step-by-step explanation:

f(x) = -6x +5; g(x) = 2x + 8

[g o f](x) = g(f(x))

this means that in g(x), everywhere there's an x, f(x) replaces it. [g o f](x) is represented at the following: (f(x) is in bold)

g(f(x)) = 2(-6x +5) + 8                  distribute the 2 to (-6x + 5)

g(f(x)) = -12x + 10 + 8                   combine like terms

g(f(x)) = -12x + 18

The heights of the starting players on each of two basketball teams are shown in the table below. Heights of Starters on Team A and Team B Team A 70 in. 72 in. 75 in. 68 in. 70 in. Team B 71 in. 73 in. 71 in. 72 in. 73 in. Jacob found that the mean height of Team A is 71 and the mean height of Team B is 72. He believes that because Team B has a greater mean, it also has a greater mean absolute deviation. Which explains Jacob’s error?

Answers

Answer:

The correct answer should be A

Step-by-step explanation:

Answer:

a

Step-by-step explanation:

what is the degree of f(x) = (x + 3)(x - 1)(2x + 2)?

A. 1 B.2 C.3 D.4

Answers

Answer:

I believe the answer is c) 3

Step-by-step explanation:

f(x) = (x + 3)(x - 1)(2x + 2)

x(x) + x(-1) + 3(x) + 3(-1)

f(x) = (x^2 - x + 3x - 3)(2x + 2)

f(x) = (x^2 + 2x - 3)(2x + 2)

2x(x^2) + 2x(2x) + 2x(-3) + 2(x^2) + 2(2x) + 2(-3)

f(x) = (2x^3 + 4x^2 - 6x + 2x^2 - 6)

f(x) = (2x^3 + 6x^2 - 6x - 6)

A number is greater than 8. The same number is less than 10. The inequalities x> 8 and x < 10 represent the situation Which best explains the number of possible solutions to the inequality? There is one solution because 9 is the only number between 8 and 10. There are a three solutions because 8, 9, and 10 are possible solutions. There are a few solutions because there are some fractions and decimals betwee There are infinite solutions because there is always another number between any two numbers?​

Answers

Answer:

there are few solutions

Step-by-step explanation:

because for example 8.1 is between 8 and ten

8.1735282

is between 8 and 9

Suppose there are 4 defective batteries in a drawer with 10 batteries in it. A sample of 3 is taken at random without replacement. Let X denote the number of defective batteries in the sample. Find the probability that the sample contains a) Exactly one defective battery b) at most one defective battery. c) at least one defective battery.

Answers

Answer:

a.) 0.5

b.) 0.66

c.) 0.83

Step-by-step explanation:

As given,

Total Number of Batteries in the drawer = 10

Total Number of defective Batteries in the drawer = 4

⇒Total Number of non - defective Batteries in the drawer = 10 - 4 = 6

Now,

As, a sample of 3 is taken at random without replacement.

a.)

Getting exactly one defective battery means -

1 - from defective battery

2 - from non-defective battery

So,

Getting exactly 1 defective battery = ⁴C₁ × ⁶C₂ =  [tex]\frac{4!}{1! (4 - 1 )!}[/tex] × [tex]\frac{6!}{2! (6 - 2 )!}[/tex]

                                                                            = [tex]\frac{4!}{(3)!}[/tex] × [tex]\frac{6!}{2! (4)!}[/tex]

                                                                            = [tex]\frac{4.3!}{(3)!}[/tex] × [tex]\frac{6.5.4!}{2! (4)!}[/tex]

                                                                            = [tex]4[/tex] × [tex]\frac{6.5}{2.1! }[/tex]

                                                                            = [tex]4[/tex] × [tex]15[/tex] = 60

Total Number of possibility = ¹⁰C₃ = [tex]\frac{10!}{3! (10-3)!}[/tex]

                                                        = [tex]\frac{10!}{3! (7)!}[/tex]

                                                        = [tex]\frac{10.9.8.7!}{3! (7)!}[/tex]

                                                        = [tex]\frac{10.9.8}{3.2.1!}[/tex]

                                                        = 120

So, probability = [tex]\frac{60}{120} = \frac{1}{2} = 0.5[/tex]

b.)

at most one defective battery :

⇒either the defective battery is 1 or 0

If the defective battery is 1 , then 2 non defective

Possibility  = ⁴C₁ × ⁶C₂ = 60

If the defective battery is 0 , then 3 non defective

Possibility   = ⁴C₀ × ⁶C₃

                   =  [tex]\frac{4!}{0! (4 - 0)!}[/tex] × [tex]\frac{6!}{3! (6 - 3)!}[/tex]

                   = [tex]\frac{4!}{(4)!}[/tex] × [tex]\frac{6!}{3! (3)!}[/tex]

                   = 1 × [tex]\frac{6.5.4.3!}{3.2.1! (3)!}[/tex]

                   = 1× [tex]\frac{6.5.4}{3.2.1! }[/tex]

                   = 1 × 20 = 20

getting at most 1 defective battery = 60 + 20 = 80

Probability = [tex]\frac{80}{120} = \frac{8}{12} = 0.66[/tex]

c.)

at least one defective battery :

⇒either the defective battery is 1 or 2 or 3

If the defective battery is 1 , then 2 non defective

Possibility  = ⁴C₁ × ⁶C₂ = 60

If the defective battery is 2 , then 1 non defective

Possibility   = ⁴C₂ × ⁶C₁

                   =  [tex]\frac{4!}{2! (4 - 2)!}[/tex] × [tex]\frac{6!}{1! (6 - 1)!}[/tex]

                   = [tex]\frac{4!}{2! (2)!}[/tex] × [tex]\frac{6!}{1! (5)!}[/tex]

                   = [tex]\frac{4.3.2!}{2! (2)!}[/tex] × [tex]\frac{6.5!}{1! (5)!}[/tex]

                   = [tex]\frac{4.3}{2.1!}[/tex] × [tex]\frac{6}{1}[/tex]

                   = 6 × 6 = 36

If the defective battery is 3 , then 0 non defective

Possibility   = ⁴C₃ × ⁶C₀

                   =  [tex]\frac{4!}{3! (4 - 3)!}[/tex] × [tex]\frac{6!}{0! (6 - 0)!}[/tex]

                   = [tex]\frac{4!}{3! (1)!}[/tex] × [tex]\frac{6!}{(6)!}[/tex]

                   = [tex]\frac{4.3!}{3!}[/tex] × 1

                   = 4×1 = 4

getting at most 1 defective battery = 60 + 36 + 4 = 100

Probability = [tex]\frac{100}{120} = \frac{10}{12} = 0.83[/tex]

In HIJ h=38 inches, I=45 inches and j=61 inches. Find the measure of H to the nearest degree

Answers

Answer: 38

step by step

deltamath

Answer:

38

Step-by-step explanation:

what does N represent in 25% of n =3​

Answers

Answer:

hello! :) have a good day!

N = 12

Marta practices the long jump. She jumps the same distance on her first four jumps. Her last two jumps are 1 1/2 feet longer than her first four jumps. Her average jumps distance is 16 feet. The equation below represents the situation, where j is the distance of each of Marta's first four jumps.

4j + 2(j+ 1.5)=16
-----------------
6

What is the distance of each of Marta's first four jumps? show work plz.

Answers

Answer:

The distance of each of Marta's first four jumps is of 15.5 feet.

Step-by-step explanation:

Average:

The average of a data set is given by the sum of all elements of the data set divided by the number of elements in the data set.

Marta's jumps:

First four of j.

Lax six are 1 1/2 feet longer = 1.5 feet longer, so j + 1.5.

Six jumps, average of 16.

What is the distance of each of Marta's first four jumps?

This is j. So

[tex]\frac{4j + 2(j + 1.5)}{6} = 16[/tex]

[tex]4j + 2j + 3 = 96[/tex]

[tex]6j = 93[/tex]

[tex]j = \frac{93}{6}[/tex]

[tex]j = 15.5[/tex]

The distance of each of Marta's first four jumps is of 15.5 feet.

Help me !!!!!!!!!!!!!!!!!!!!

Answers

Answer:

0 isnt a number loll

Step-by-step explanation:

B

PLEASE HELP ASAP
The perimeter of a playing field for a certain sport is 304 ft. The length is 50 ft longer than the width. Find the dimensions.
The width of the playing field is
ft.

Answers

Answer:

Width = 51 ft

Step-by-step explanation:

Use the perimeter formula and add on additional information. Use a variable to form the equation.

P = 2L + 2W

304 = 2(x+50) + 2(x)

Then, simplify the expression.

304 = 2x + 100 + 2x

304 = 4x + 100

204 = 4x

51 = x

This means that the length is 101 ft and the width is 51 ft.

Answer:

P = 2 l + 2 w

304 ft = 2 x 50 ft + 2 w

= 100 ft + 2w

2w = 204 ft

w = 102 ft

ANSWER: width is 102 ft

A study found that 52% of people
chose pepperoni as one of their top
three pizza toppings. Of 846
people, about how many would
choose pepperoni as a favorite
pizza topping?
A. 440
C. 452
B. 450
D. 458
PLEASE HELP THIS IS WORTH 40 POINTS

Answers

Answer:

439.32 (so 440)

Step-by-step explanation:

52% of people, and there are 846 people. what is 52% of 846? 439.32 and you round up.

Factor a2 – 24a + 144.
Question 15 options:

A)

(a – 12)(a – 12)

B)

(a + 12)(a + 12)

C)

(a – 6)(a – 2)

D)

(a + 72)(7a + 2)

Answers

Answer:

A

Step-by-step explanation:

the the cross multiplication method

Answer:

A. (a-12)(a-12)

Step-by-step explanation:

a^2 - 24a + 144

what two numbers can be multiplied for 144? 12 and 12

12 + 12 adds up. to 24

You notice the 24 is negative so both 12's will be

(a-12)(a-12)

A track and field coach wants to analyze the effect of sports drinks on the performance of his athletes. He decides to test three brands: Powerade, Gatorade and Vitaminwater. He will have each of the athletes complete a 400 meter run and record their times. Which of the following represents a confounding variable?

a. He decides to give all male athletes Gatorade and the female athletes eitherPowerade or Vitaminwater.
b. Yes ­ gender would be confounded with sports drink since we cannotdistinguish their effects from each other.
c. He allows each athlete to choose their favorite drink from a cooler.
d. He has some of the athletes drink the sports drink two hours beforerunning,others one hour before running, and the rest 30 minutes beforerunning.
e. He has some of the athletes drink Gatorade two hours before running, othersdrink Powerade one hour before running, and the rest Vitaminwater half anhour before running.
e. Yes ­ sports drink would be confounded with timing of the drink, since wecould not distinguish their effects from each other.

Answers

Answer:

A, D,

A.) He decides to give all male athletes Gatorade and the female athletes eitherPowerade or Vitaminwater.

D.) He has some of the athletes drink the sports drink two hours beforerunning,others one hour before running, and the rest 30 minutes beforerunning.

Step-by-step explanation:

Confounding variables could be described as variables which introduces elements that causes unwanted relationship between measured variables in data. Such that observed relationship is actually not as a result of the independent variable.

The confounding variables in the options chosen are gender and timing of the consumption and when the athletes eventually ran.

As for gender, male athletes are expected to put up a better running speed and energy than women and Hence would finish the rate faster based on these fact. Hence, it will be wrong to conclude that Gatorade has Better effect on performance.

As for timing, those who run shortly after taking an energy drink are more likely to be boosted that those who take much later and this the effect may not necessarily be in the type of energy drink consumed.

Confounding variables are the variables which are not related to the experiment.

Gender would be confounded with sports drink since we cannot distinguish their effects from each other.Sports drink would be confounded with timing of the drink, since we could not distinguish their effects from each other.

What is confounding variable?

Confounding variables are the variables which are not related to the experiment. Confounding variables provides the affects the useless results and affects the experiment.

Given information-

The total number of meters the athletes runs is 400 meters.

The sports drink given to athletes are Powerade, Gatorade and Vitamin water.

The given options are,

a) He decides to give all male athletes Gatorade and the female athletes either Powerade or Vitaminwater- As the male atheletes likely have more power and energy to run than the female athletes. Thus this can ruin the experiment.

b) Yes ­gender would be confounded with sports drink since we cannot distinguish their effects from each other.

c) He allows each athlete to choose their favorite drink from a cooler- To choose favorite drink does not affect the experiment.

d. He has some of the athletes drink the sports drink two hours before running, others one hour before running, and the rest 30 minutes before running- The athletes who have taken drink just before the race, have more energy. Thus it is a confounding variable.

e. He has some of the athletes drink Gatorade two hours before running, others drink Powerade one hour before running, and the rest Vitamin water half an hour before running-similar effect as the in the above case with the timing for this option.

f). Yes ­ sports drink would be confounded with timing of the drink, since we could not distinguish their effects from each other.

Hence,

Gender would be confounded with sports drink since we cannot distinguish their effects from each other.Sports drink would be confounded with timing of the drink, since we could not distinguish their effects from each other.

learn more about the confounding variable here;

https://brainly.com/question/10458420

how do you solve for x? 3 + 2x = 4y​

Answers

Answer:

x= 2y - 3/2

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

Answer:

x=2y - 3/2

Step-by-step explanation:

Which is not a correct name for the line showing?

Answers

Answer:

The third one

Step-by-step explanation:

mP is not correct

Evaluate the expression for a=3 and b=1/4. 5a−16b+7

Answers

Answer:

18

Step-by-step explanation:

you have to multiply 5 and 3(which gives you 15) first, then move on to16 times 1/4 which gives you 4 then just add 7 and your done.

Need help on only 27 please need ASAP thanks

Answers

Answer:

8 is not in the solution set

Step-by-step explanation:

Given, -y + 7 < -4

To find out if 8 is in the solution set, substitute y = 8 in the inequality and solve to see if the statement would be true.

Thus:

-8 + 7 < -4

-1 < -4

This -1 is less than -4. This is actually not TRUE. -1 is rather greater than -4.

Therefore, 8 is not in the solution set.

20 PTS
If a new car payment is $616.67 each month, what is the total car payment for one year?

Answers

Answer:

7400.04

Step-by-step explanation:

Well, if one month is 616.67, then one year is just 12 months. Multiply 6l6.67 by 12, and the answer is 7400.04

What is 6(8) + 4(23)? Ty !

Answers

Answer: 140

Step-by-step explanation:

6(8) = 48

4(23) = 92

48 + 92 = 140

Because of this, 6(8) + 4(23) = 140.

Answer: 41 i think

Step-by-step explanation:

what is the x-intercept of the function graphed below?
A. (2,0)
B. (0,-4)
C. (0,2)
D. (-4,0)​

Answers

9514 1404 393

Answer:

  A.  (2, 0)

Step-by-step explanation:

The x-intercept is the point where the line crosses the x- (horizontal) axis. The coordinates there are (2, 0).

which table shows a proportional relationship between x and y ?

Answers

Answer:

Table C

Step-by-step explanation:

Given

Table A to D

Required

Which shows a proportional relationship

To do this, we make use of:

[tex]k = \frac{y}{x}[/tex]

Where k is the constant of proportionality.

In table (A)

x = 2, y = 4

[tex]k = \frac{y}{x}[/tex]

[tex]k = \frac{4}{2}[/tex]

[tex]k = 2[/tex]

x = 4, y = 9

[tex]k = \frac{y}{x}[/tex]

[tex]k = \frac{9}{4}[/tex]

[tex]k = 2.25[/tex]

Both values of k are different. Hence, no proportional relationship

In table (B)

x = 3, y = 4

[tex]k = \frac{y}{x}[/tex]

[tex]k = \frac{4}{3}[/tex]

[tex]k = 1.33[/tex]

x = 9, y = 16

[tex]k = \frac{y}{x}[/tex]

[tex]k = \frac{16}{9}[/tex]

[tex]k = 1.78[/tex]

Both values of k are different. Hence, no proportional relationship

In table (C):

x = 4, y = 12

[tex]k = \frac{y}{x}[/tex]

[tex]k = \frac{12}{4}[/tex]

[tex]k = 3[/tex]

x = 5, y = 15

[tex]k = \frac{y}{x}[/tex]

[tex]k = \frac{15}{5}[/tex]

[tex]k = 3[/tex]

x = 6, y = 18

[tex]k = \frac{y}{x}[/tex]

[tex]k = \frac{18}{6}[/tex]

[tex]k = 3[/tex]

This shows a proportional relationship because all values of k are the same for this table

Pls help me here
Look at the picture help!!

Answers

Answer:

x=13.5

Step-by-step explanation:

that is my answer

drag and drop the unit rate for each size of peanut butter into the correct box to complete the statements

Answers

Answer:

A regular one costs $0.27 and family costs $0.13.

Step-by-step explanation:

Just divide $2.43 with 9 and then do the same with the family one.

Answer:

Reg- 0.27  Family-0.13

Step-by-step explanation:

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