The radius of the circle whose equation is (x + 4)² + (y - 2)² = 36 is

Answers

Answer 1

Answer: 6

The equation given to you is in the form (x-h)^2 + (y-k)^2 = r^2

The right hand side 36 is in the place of r^2, so r^2 = 36 leading to r = 6 after you apply the square root to both sides.


Related Questions

Ben made a model that was 5 3/4 inches tall. Laquisha made a model that was 70 11/12 inches tall. How many times as tall was Laquisha’s model?

Answers

Final answer:

To determine how many times taller Laquisha's model is compared to Ben's model, convert their heights to improper fractions and divide, simplifying the result to find the ratio.

Explanation:

To find out how many times taller Laquisha's model is compared to Ben's model, we divide their heights. Laquisha's model height is
70 11/12 inches, and Ben's model height is 5 3/4 inches. First, convert the mixed numbers to improper fractions. Ben's height as an improper fraction is 23/4 inches. Laquisha's height as an improper fraction is 851/12 inches. Next, divide Laquisha's model by Ben's: (851/12)
÷ (23/4)
. To divide fractions, we multiply by the reciprocal of the second fraction: (851/12)
× (4/23)
. Simplify to find the ratio, which represents how many times taller Laquisha's model is.

The scoop Shop sells many types of nuts. Lily asks for this mix:
1/2 pound peanuts
1/6 pound hazelnuts
1/3 pound almonds
3/4 pound cashews
1/4 pound pecans

What fraction of the mix does each nut represent
What fraction of the mix does each type of nut represent?
How to do?

Answers

Answer:

1/12 = 24/12 = 2

pea: 12/24

haz: 4/24

alm: 8/24

cash: 18/24

pec: 6/24


how to do it: find a common denominator, or write it how and scan it with photo math and it will show you how to work it out!

hope this helped or was right, thanks <3


The perimeter of a rhombus is 180 cm and one of its diagonals is 72 cm. Find the length of the other diagonal and area of the rhombus

Answers

Hi there! :)

Answer:

Length of the second diagonal: 54 cm

Area of the rhombus: 1,944 cm²


Step-by-step explanation:

1) To find the value of the second diagonal, you first need to know some important properties of rhombuses:

Since the perimeter is 180, and by definition a rhombus has four congruent sides (of equal length), each side length of the rhombus is equal to 45.

The diagonals of rhombuses also form four right triangles, with hypotenuses equal to the side length of the rhombus and legs equal to half the lengths of the diagonals. In this case one hypotenuse would be equal to 45 and one leg would be equal to 36 (72 ÷ 2 = 36).

We can therefore use the Pythagorean Theorem to solve for one-half of the unknown diagonal:

c² = a² + b² → Where "c" is the hypotenus & "a" and "b" are the two other sides.

45² = 36² + b² → Where "b" is the half of the unknown diagonal.

We can now solve this equation for "b":

45² = 36² + b²

45² = 2,025

36² = 1,296

2,025 = 1,296 + b²

Subtract "1,296" from each side of the equation → 2,025 - 1,296 = 729

729 = b²

Square root on each side of the equation → √729 = 27

27 = b

Since "b" represents half of the unknown diagonal, we need to multiply by 2 to find the full length of the diagonal:

27 × 2 = 54 ⇒ Length of the other diagonal.


2) To find the area of the rhombus, you need to multiply the length of the 2 diagonals and divide the answer by 2:

(72 × 54) ÷ 2 = A

Multiply "72" & "54" together → 72 × 54 = 3,888

3,888 ÷ 2 = A

1,944 = A


There you go! I really hope this helped, if there's anything just let me know! :)

At a farm, Justin picks 3 bushels of fruit. The bushels weigh 8 1/4 pounds, 6 1/2 pounds and 6 5/8 pounds. What is the average weight per bushel .

Answers

Answer:

The average weight is 7 1/8 pounds

Step-by-step explanation:

To find the average, we add them up and then divide by how many

average = (b1+b2+b3)/3

             = (8 1/4 + 6 1/2+ 6 5/8) /3

Let look at the sum

(8 1/4 + 6 1/2+ 6 5/8)

We need to get a common denominator of 8

8 1/4 *2/2 + 6 1/2 *4/4 + 6 5/8

8 2/8 + 6 4/8 + 6 5/8

20 11/8

20 + 1 3/8

21 3/8

average = (21 3/8) /3

Now we divide by 3

We need to change the mixed number to an improper fraction

21 3/8 = (8*21+3) /8 = 171/8

average = (171/8) /3

We can use copy dot flip

171/8 * 1/3

171/24

We need to change it back to a mixed number

24 goes into 171  7 times with 3 left over

7 3/8

7 1/8

A rescue helicopter is used to help victims who fell in a ditch. The helicopter begins at sea level, which is an elevation of 0 feet. It then travels down for 100 seconds at a speed of 10.5 feet per second. It then travels directly up for 150 seconds at a speed of 5.2 feet per second. After this 250 second period, how much time, in seconds, will it take for the rescue helicopter to travel back to sea level at the helicopter's maximum speed of 15.8 feet per second?

Answers

Answer:

The helicopter still needs to fly up sec 17.0886 at maximum speed.

Step-by-step explanation:

To find out how far the helicopter went down do 100(seconds) * 10.5 and get 1050

Then how much he traveled back up same thing 150 (seconds) * 5.2 and get 780

Next  find the difference 780-1050 and get -270 ft it is negative because it is still BELOW GROUND ( That's how you know if it need to fly up or down)

Last to find how many seconds you need you work backwards so instead of multiplying you do the opposite witch is dividing so you take your feet (270) and divide by the maximum speed (15.8). 270/15.8 is 17.08

 



Factor the expression. d2 − 4d + 4

Answers

Rewrite it in the form a^2 - 2ab + b^2, where a = d and b = 2

d^2 - 2(d)(2) + 2^2

Use the Square of Difference: (a - b)^2 = a^2 - 2ab + b^2

(d - 2)^2

Answer:

(d - 2)²

Step-by-step explanation:

d² - 4d + 4 ← is a perfect square of the form

(x ± a )²  = x² ± 2ax + a²

compare coefficients of like terms

- 2a = - 4 ⇒ a =  2 and a² = 4, hence

d² - 4d + 4 = (d - 2)²


Which of the following options best describes an algebraic fraction?

Select all that apply.

common denominators
a variable in the numerator
a variable in the denominator
a variable with an exponent

Answers

Answer:

Common denominators

A variable in the numerator

A variable in the denominator

Step-by-step explanation:

Note: An an algebraic fraction is the fraction that has some algebraic expression in numerator and some algebraic expression in denominator.

So, if fractions would have common denominators, a variable in the numerator or a variable in the denominator would be an algebraic fraction.

Therefore, following options best describes an algebraic fraction:

common denominatorsa variable in the numeratora variable in the denominator

Find the distance between points P(2, 2) and Q(7, 4) to the nearest tenth.

Answers

The formula of a distance between two points:

[tex]d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]

We have the points P(2, 2) ans Q(7, 4). Substitute:

[tex]|PQ|=\sqrt{(7-2)^2+(4-2)^2}=\sqrt{5^2+2^2}=\sqrt{25+4}=\sqrt{29}\approx5.4[/tex]

Answer: PQ = 5.4

What is the proportion of 19/12 = f/9

Answers

Answer:

Alright well solve for f by cross multiplying

Exact form: f = 57/4

Decimal form: f = 14.25 Hope this helps have a nice day :)

Step-by-step explanation:


Solve the equation -18=p/2?

Answers

Answer:

p=-36


Step-by-step explanation:

-18=p/2

______________________

Multiply both sides by 2

-18(2)= p/2 (2)

______________________

-36 = p

switch the sides of the equation

______________________

p=-36


first, of all
in the equation
[tex] - 18 = p \div 2[/tex]
you want to make 'p' alone so,
move 2 by the opposite of division,
Multiplcation
[tex] - 18 \times 2 = - 36[/tex]
so
[tex]p = - 36[/tex]
I hope I was able to help you

what scale factor was used in dilation

Answers

Answer: (c) [tex]\bold{\dfrac{3}{4}}[/tex]

Step-by-step explanation:

Chooe any point I am choosing point W.

The W' is closer to C than W so the dilation is less than 1

The only answer choice that is less than 1 is option c.

Why is this the answer? because the side lengths are proportional

[tex]\dfrac{CW'}{CW} = \dfrac{WX'}{WX}= \dfrac{3}{4}[/tex]

Tim answered all the questions on his math test but got 10 answers wrong . He revived 4 points for every correct answer , and there was no penalty for wrong answers . His score was 76 points .
Write an equation to determine the total number of question (q) on Tim’s math test .

Answers

76 points/ 4 points per questions means he answered 19 questions correctly

plus the 10 he answered incorrectly  

76/4+10=x

19+10=x

29=x

-7n+4(-6+3n) what is the answer

Answers

Answer:

5n - 24

Step-by-step explanation:

distribute the parenthesis by 4

= - 7n - 24 + 12n ← collect like terms

= (- 7n + 12n) - 24 = 5n - 24


Answer:

5n-24

Step-by-step explanation:

-7n+4(-6+3n)

Distribute:-7n-24+12n

Simplify: 5n-24

i dont know can you help?

Answers

Answer:

84

Step-by-step explanation:

42x2=84

multiply 2 with 42 which comes out as 84


solve the inequality. graph your solution |x|>5

Answers

[tex]|x|>5\iff x>5\ \vee\ x<-5[/tex]

Rewrite the following expression using the associative property




(4x+9x)+12x

Answers

Thats so easy
Answer is 4x+(9x+12x)

Which explains whether or not the values in the table represent a direct variation? x 4 6 10 20 y 1 1.5 2.5 5 The table represents a direct variation because the values are proportional. The table represents a direct variation because the values are nonproportional. The table does not represent a direct variation because the values are proportional. The table does not represent a direct variation because the values are nonproportional.

Answers

Answer:

Option A is correct.

The table represents a direct variation because the values are proportional.

Step-by-step explanation:

The direct variation says that:

[tex]y \propto x[/tex]

then; the equation is of the form : [tex]y =kx[/tex] where k is the Constant of Variation.

Consider any values of x and y from the table, to solve for k;

Let x = 10 and y = 2.5

then;

[tex]2.5 = 10k[/tex]

Divide both sides by 10 we have;

[tex]k = \frac{2.5}{10} = \frac{25}{100} = \frac{1}{4}[/tex]

Then the equation becomes:

[tex]y =\frac{1}{4}x[/tex]

Therefore, the table represents a direct variation because the values are proportional.


Answer: A The table represents a direct variation because the values are proportional.

Step-by-step explanation:

Chris need a graphing calculator for math class c find a $60 model on sale for 15% off if you decide to buy this calculator how much will the sale price be

A)9

B)12

C)51

D)69

Answers

Answer:

C) $51

Step-by-step explanation:

Step 1. Calculate the discount

The discount is 15 % of $60

Discount = 60 × 0.15

Discount = $9

===============

Step 2. Calculate the sale price

Sale price = original price - discount

Sale price = 60 - 9

Sale price = $51

The sale price will be $51.

Eliot made a line plot to record the number of birds he saw at his bird feeder .How many more sparrows than blue jays did he see?If you help me answer the question correctly I will give you 48 points and mark u BRAINLIEST

Answers

Answer:

He saw 4 more

Step-by-step explanation:

There were 5 sparrows and 1 blue jay 5 - 1 = 4

he saw four more sparrows than blue jays.
we found that out by this equation: 5-1=4

hope i helped :)

There is a café at the park.
It is 13 metres long and 8 metres wide. What is the area of the café?

Answers

Answer:

42 meters

Step-by-step explanation:

because 13 + 13 + 8 + 8 = 42.   and that's your answer

Final answer:

The area of the café is calculated by multiplying the length (13 meters) by the width (8 meters), resulting in an area of 104 square meters (104 m²).

Explanation:

The area of the café at the park can be calculated using the formula for the area of a rectangle, which is the product of its length and width. Given that the café is 13 meters long and 8 meters wide, we multiply these two dimensions to find the area.

Step-by-Step Calculation

Identify the length (13 meters) and the width (8 meters) of the rectangle.

Multiply the length by the width: Area = length × width.

Calculate: 13 meters × 8 meters = 104 square meters (104 m²).

Therefore, the area of the café is 104 m².

In Maria's store, the customer count this week is 3000. Maria is planning a promotion and expects a 5% increase in customers next week. How many additional customers is Maria expecting?

Answers

Answer:

150

Step-by-step explanation:

3000 * 0.05 = 150





Elizabeth received a car loan for $12,000. She was charged 8% for the bank fees. What is the total amount that she will need to pay the bank back for the loan?

A.
$860


B.
$960


C.
$11,040


D.
$12,960

Answers

Answer:

B

Step-by-step explanation:

If you do 12,000 - 92% it gives you 960 and the 92% is = 11,040

What's the lateral area of a right cylinder if the radius of the base is 12mm and the altitude of the cylinder is 5 times the base radius? Use the π key to calculate and round your answer to the nearest whole number.

Answers

Answer:

1440π squared mm.


Step-by-step explanation:

Given is the radius of base of cylinder, r = 12mm.

The altitude is five times the base radius, h = 5 times 12mm = 60mm.

The lateral area of the cylinder is the curved surface area of the cylinder.

The formula for curved surface area of cylinder is as follows:-

Curved Surface Area = Circumference of base x altitude of cylinder.

SA = 2πrh = 2π•12•60 = 1440π sq. mm.

Hence, Lateral area of cylinder is 1440π squared mm.

Answer:

1440π

Step-by-step explanation:

We are given the radius of the base of a right cylinder to be 12 mm and its altitude or height to be 5 times the base radius which is equal to (12 x 5) = 60 mm.

We know the formula for the lateral area of a right cylinder:

[tex]A = 2\pi rh[/tex]

So putting in the given values with [tex]\pi[/tex] as it is to get:

[tex]A=2\pi *12*60[/tex]

[tex]A=2(720)\pi[/tex]

[tex]A=1440\pi[/tex]

Therefore, the lateral area of this right cylinder is 1440π.

A bakery offers a sale price of $2.50 for 4 muffins What is the price for a dozen muffins?

Answers

Answer:$7.50


Step-by-step explanation:

multiply 2.50 by three because four goes into 12 three times.

Answer:

30.00$

Step-by-step explanation:

All you have to do is multiply 2.50 by 4 and that equals 10.00

And then know how much a dozen is which equals 12.

And last multiply 2.50 by 4, 3 times and you will get 30.00

What percent is equivalent to 18/40 ?


18%

22%

40%

45%

Answers

the percentage is 45%

Answer:

45%

Step-by-step explanation:

You do 18 divided by 40

Which is .45

Can anyone help me plz ?? Lakita has 66 water bottles for the 5K race participants. In addition, she is planning to buy boxes of water bottles that have 12 water bottles each. All of the boxes cost the same. Lakita can buy up to 5 boxes of water bottles given the amount of money she has.Write a function to describe how many water bottles will Lakita buy.Find a reasonable domain and range for the function.

Answers

Answer:

65,81,97,113,129


Step-by-step explanation:

she has 65 water bottles and she is buying boxes of water bottles (x) that hold 16 water bottles each. She can only buy up to 5 water bottles.


f(x) = 16x + 65...where f(x) = total water bottles and x = number of boxes

x < = 5 here is ur restriction


the range is ur f(x) values which represent the total number of water bottles...keep in mind, she can only buy 5. Therefore, the numbers that can be subbing in for x are 0 thru 5.


So when subbing in 0 thru 5 for x, the results for f(x) are :

{ 65,81,97,113,129 }

PLEASE HELP ASAP

Approximately how many times greater is 5 x 10 to the eighth power than 8 x 10 to the fifth power?

Answers

Answer:

about 11920.92896

Step-by-step explanation:


There are 38 cube houses with 1000 unit cubes that are 1 meter by 1 meter by 1 meter discribe the dimensions of a cube house using unit cubes

Answers

The dimensions include 1000 units

Which phrase should be inserted on the line to make a true statement

Answers

They’re equal. 8 is 2/3 of 12.

Answer:

[tex]\frac{8}{12}[/tex] equal to [tex]\frac{8}{12}[/tex]

Step-by-step explanation:

[tex]\frac{2}{3}[/tex] -------------------------  [tex]\frac{8}{12}[/tex]

Lets compare both the fractions

To compare both the fractions the denominators should be same

Lets make the denominators same

WE try to get 12 in the denominator of first fraction, so we multiply top and bottom by 4

[tex]\frac{2*4}{3*4}=\frac{8}{12}[/tex]

[tex]\frac{8}{12}[/tex] -------------------------  [tex]\frac{8}{12}[/tex]

Both fractions are equal

So [tex]\frac{8}{12}[/tex] equal to [tex]\frac{8}{12}[/tex]

A particular computer takes 13-minutes to download a 52-minute TV show. How long will it take the computer to download a 1.5-hour ​movie?

Answers

Final answer:

The particular computer will take approximately 22.5 minutes to download a 1.5 hour movie.

Explanation:

In this particular problem, we need to figure out how long a computer will take to download a movie. The computer in question takes 13 minutes to download a 52 minute TV-show, establishing a rate of downloading. We can therefore calculate how long the computer takes to download a minute of TV-show by dividing the download time by the length of the show: 13/52 = 0.25 minutes per minute of show. Next, we convert 1.5 hours (the length of the movie) into minutes, because our rate is in terms of minutes: 1.5*60 = 90 minutes. We then multiply this by our download rate (0.25) to get our answer: 90*0.25 = 22.5 minutes. Thus, this particular computer will take approximately 22.5 minutes to download a 1.5 hour movie.

Learn more about Calculating Download Time here:

https://brainly.com/question/33722206

#SPJ2

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