Whats the equation of a circle centered at (7,1) that passes through (-2,10)

Answers

Answer 1

Answer: The line from (7, 1) to (-2 10) is a radius of the circle.

Its length is the square root of [ (-2 - 7)² + (10 - 1)² ] = √(81 + 81) = √162

The equation of the circle is: (x- 7)² + (y - 1)² = 162

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OrEvaluate. Write your answer as a whole number or as a simplified fraction.

42 · 42 =

Answers

Answer:

1764

Step-by-step explanation:

Determine the area word problem

Answers

Answer: 30 dollars in total

Step-by-step explanation: first multiply 15 times 0.75 which is 11.25 then multiply 15 times 1.25 which is 18.75 if you add these two numbers together you get 30 dollars which is the total amount spent.

hope this helps mark me brainliest if it helped

Answer:

(15 x 0.75) + (15 x 1.25)=$30

Step-by-step explanation

The Gallup Poll uses a procedure called random digit dialing, which creates phone numbers based on a list of all area codes in America in conjunction with the associated number of residential households in each area code. Give a possible reason the Gallup Poll chooses to use random digit dialing instead of picking phone numbers from the phone book.

Answers

Random digit dialing (RDD) is a method for selecting people for involvement in telephone statistical surveys by generating telephone numbers at random. Random digit dialing has the advantage that it includes unlisted numbers that would be missed if the numbers were selected from a phone book.

Answer:

Random dialing saves time and can cover the region better than the phone book.

Step-by-step explanation:

Not all phone numbers in the region are in the phone book, so dialing through the phone book would be limited, and it would take a long time to dial the numbers on each call. With that Gallup would take longer to complete his work and do a limited job.

On the other hand, random digit dialing would randomly generate phone numbers and select people to participate in Gallup's work much faster, which would allow Gallup to get more calls and work faster and more efficiently.

Do the ratios 4:18 and 2:9 form a proportion?
yes
no

Answers

Answer:

Yes. A propotion is to check if two things are equivelent. The ratios 4:18 and 2:9 are equivelent.

93 is the sum of a number g and 58

Answers

Assuming you are hoping to obtain the value of "g", to solve worded algebra problems like these, it is easier to translate the world problem into a mathematical equation first.

In this case, "93 is the sum of a number g and 58" can be translated to:

93 = g + 58

To find the value of g, it is necessary to isolate g first. To do this, we subtract both sides of the equation by 58:

93 - 58 = g + 58 - 58
93 - 58 = g

Simplifying:
g = 35

Answer:

g=35

Step-by-step explanation:

Which is the slope-intercept form of the equation y - 12 =-1/3(x- 6)?

Answers

Answer:y=-1/3x+14

Step-by-step explanation:

Final answer:

To convert the equation y - 12 = -1/3(x - 6) into the slope-intercept form y = mx + b, distribute -1/3 and add 12 to both sides to obtain y = -1/3x + 14.

Explanation:

The question is asking to convert the equation into the slope-intercept form. The slope-intercept form of an equation is given by the formula y = mx + b, where 'm' represents the slope and 'b' is the y-intercept. To transform y - 12 = -1/3(x - 6) to this form, you need to distribute -1/3 into the parentheses and add 12 to both sides.

Firstly distribute -1/3 to get y - 12 = -1/3x + 2. Then by adding 12 to both sides we get y = -1/3x + 14.

Hence the equation y = -1/3x + 14 is the slope-intercept form of the equation y - 12 = -1/3(x - 6).

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