Write the equation in standard form
x^2+y^2+6x+14y+37=0

Answers

Answer 1
You'll need to group all the x terms together in one place and allt he y terms together in another place.

Standard equation of a circle is   (x-h)^2 + (y-k)^2 = r^2, where r is the radius and the point (h,k) is the center of the circle.

Rearranging x^2+y^2+6x+14y+37=0 produces

                      x^2 + 6x      + y^2 + 14y = -37

We must now "complete the square" of x^2 + 6x.

Take half of the coefficient of x (which is 6) and square that.  Add this square to x^2 + 6x, and then subtract this square:

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

Now do the same thing to the given y terms.

                 x^2 + 6x + 9      - 9    + y^2 + 14y + (7)^2     - (7)^2 = -37

                  This becomes              This becomes
                      (x+3)^2           -9              (y+7)^2       - 49 = -37

Add 9 and add 49 to both sides.  You end up with

                          (x+3)^2 + (y+7)^2 = 49 + 9 -37 = r^2

Find r.

This is the equation of the circle in standard form.  Its center is at (-3,-7).

Related Questions

manual travel 2 hours non-stop to Mexico a total of 90 miles. He took a train part of the way, which averaged 60 mph, and then took a bus the remaining distance, which averaged 30mph. How long was Manuel on the train?

Answers

Time t=distance/speed. If T is the time on the train and D is the distance travelled by train, D=60T. The remaining distance by bus is 90-D. The remaining time is 2-T, so 90-D=30(2-T). Therefore 90=60T+60-30T and 30T=30 so T=1 hour on the train.

A car rents for $250 per week plus $0.50 per mile.find the rental cost for a two-week trip of 500 miles for a group of three people

Answers

So 2 weeks mean
250x 2= 500
Then .50 per mile so 500 miles mean
.50 x 500= 250
In total it will be
500+250= 750
Final answer:

The total cost of a two-week car rental for a trip of 500 miles, split three ways, is $250 per person.

Explanation:

In this calculation, we'll break down the costs into two parts: the weekly rental cost and the mileage cost. The car rents for $250 per week which, for two weeks, is $250 x 2 = $500. The cost for mileage is $0.50 per mile, hence for 500 miles, it will be $0.50 x 500 = $250. Adding these two gives us the total cost, $500 + $250 = $750 for the trip.

It's also mentioned that there are three people sharing this cost. So, the cost per person would be $750 divided by 3 which gives us $250 per person for the two-week trip of 500 miles.

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A total of $5000 was invested in two accounts. One pays 5% annual interest, and the second pays 7% annual interest. If the first-year interest is $325, how much was invested in each account?

Answers

Sent a picture of the solution to the problem (s). We end up with 2 equation. .05x +.07y=325 which show the total interest of both account , and x+y=5000. Used system of equations.

You buy 3.17 pounds of apples, 1.25 pounds of pears, and 2.56 pounds of oranges. What is your total bill rounded to the nearest cent?

Answers

Answer:

Total bill =  7 pounds .

Step-by-step explanation:

Given : You buy 3.17 pounds of apples, 1.25 pounds of pears, and 2.56 pounds of oranges.

To find : What is your total bill rounded to the nearest cent.

Solution : We have given

Apple = 3.17 pounds

Peas = 1.25 pounds

Orange = 2.56 pounds.

Total bill =  3.17  + 1.25 +2.56 = 6.98

Total bill = 6 .98 pounds .

We can see number after decimal is greater than 5 so number would be increased b 1.

Total bill =  7 pounds .

Therefore, Total bill =  7 pounds .

Final answer:

Without knowing the price per pound of the fruit, it's impossible to calculate the total bill. However, if you knew the individual prices, like in the example, you could add up these amounts together to find the total cost.

Explanation:

The question you're asking appears to be missing some important information. Specifically, we would need to know the price per pound of the apples, pears, and oranges in order to calculate your total bill. However, let's use an analogous example. Suppose you buy 10 apples at 50 cents each, 12 bananas at 20 cents each, and 2 bunches of grapes at 65 cents each. Your total cost would be $5.00 for apples, $2.40 for bananas, and $1.30 for grape. Altogether, this comes to $8.70.

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Help ASAP please and thank you

Answers

The answer is one. If you look at the graph where it says "Scarves", you can see that next to five is a point. That point would determine the total number of hats knitted. If you go straight down to the borrom line from the point, you notice that it lands on one. I hope this helps love! :)

What is 888 rounded to the nearest ten?

Answers

 888 rounded to the nearest ten = 890

hope it helps
the correct answer is 890
 plz leave a like and put me as brainliest

Ella has three flower beds each has four rows of flowers in it if there are 24 flowers in each row how many flowers are there in all

Answers

There are 288 flowers in all
114. each flower bed has for 4 rows and there are 24 in each row. 24 ×4 = 48. there are 3 flower beds so 48×3=114

a line has a slope of -2/3 and passes through the point -3, 8 what is the equation of the line

Answers

y= -2/3 +6   bc...
(-3,8)
 y=mx+b
 8= -2/3(-3) +b
 8=2+b
-2 -2
6=b

Answer:

[tex]y=-\frac{2}{3}x+6[/tex]

Step-by-step explanation:

we have been give  that

slope, m = -2/3

The line passes through the point (-3,8).

Hence, [tex]x_1=-3,y_1=8[/tex]

The point slope form of a line is

[tex]y-y_1=m(x-x_1)[/tex]

Substituting the known values

[tex]y-8=-\frac{2}{3}(x-(-3))[/tex]

On simplifying, we get

[tex]y-8=-\frac{2}{3}x-2\\\\y=-\frac{2}{3}x+6[/tex]

Thus, equation of line is [tex]y=-\frac{2}{3}x+6[/tex]

About 4/5 of all orange juice in the world is produced in Brazil. About what percent of all the orange juice in the world is produced in Brazil?

Answers

Think 5 parts of 100. 100/5= 20.

20 x 4= 80 because you used the 5 part now you have to use the numerator.

80% is your answer!

Hope this helps!
Brazil makes and distributes more orange juice than any other country in the world, and it’s not even a close race—the country makes more than 50% of the world’s orange juice. But recent history hasn’t been all that kind to the citrus giant. Orange juice production has grown stagnant over the past few years and orange juice exports, which the local industry relies heavily on upon, have fallen almost 15% since their peak in 2003.

The senior class has 412 students. They are assigned to different homerooms. There are 28 students in the smallest homeroom and the remaining 12 homerooms have the same number of students. How many students are in each of the remaining 12 homerooms?

Answers

Subtract 28 from 412 and then divide that answer by 12

There are 32 students in each of the remaining 12 homerooms.

What is linear expression?

A linear expression is an algebraic statement where each term is either a constant or a variable raised to the first power.

Given that;

Total students in a senior class = 412 students.

Total number of students in the smallest homeroom = 28

And, 12 homerooms have the same number of students.

Let number of students in each of 12 homerooms = x

So, Total number of students in each of 12 homerooms = 12x

Then, We can formulate;

12x + 28 = 412

Solve for x as;

12x + 28 = 412

Subtract 28 as;

12x + 28 - 28 = 412 - 28

12x = 384

Divide by 12;

x = 32

Thus, There are 32 students in each of the remaining 12 homerooms.

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Over the course of a year,a tractor-trailer commutes 160,000 miles across America.Assuming a trucker changes his tires every 40,000 miles,and that he starts with a brand new set of tires,how many sets of tires will he use in a year?

Answers

160,000 - 40,000= 120,000/4 = 3 sets of new tires in the first year and 4 every consecutive year.
Final answer:

Given that a trucker changes his tires every 40,000 miles, if he drives 160,000 miles in a year, he will use a total of 5 sets of tires.

Explanation:

The question is asking us to find out how many sets of tires a trucker will use when he drives 160,000 miles in a year, given that he changes his tires every 40,000 miles. To find out, we need to do some simple division.

First, we need to take the total distance traveled, which is 160,000 miles, and divide it by the distance the trucker can travel on a set of tires, which is 40,000 miles. 160,000 miles divided by 40,000 miles equals 4.

So, if the trucker starts the year with a fresh set of tires, he will need to change his tires 4 times throughout the year, meaning he will use a total of 5 sets of tires.

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A useful rule of thumb called the "rule of 70" states that if something grows at a constant rate of z percent per year, it doubles in size approximately every __________ years.
a. z/70
b. 70/z
c. 70 - z
d. 70 × (z/100)

Answers

The answer is b. (70/z). If I put $100 into a savings account and the annual growth rate is 10%, the 70/10%= 7 years that the initial $100 would take to double.

Find a second-degree polynomial p such that p(2) = 5, p'(2) = 6, and p''(2) = 4.

Answers

yfbEYvbyubBvyBvSH HBBUNUVn jN B behouFHUfabyfubguv UVB

I don't know how to solve this

Answers

The goal is to get x by itself. So you have 3/4x=1464. First you would multiply by 4 on both sides to get rid of the fraction. 1464x4 is 5,856
So what you're left with is 3x=5,856, so you divide on both sides by 3 to get x by itself and end up with the answer x=1952.
Another way to do this is if you understand how fractions work, 3/4 is equivalent to .75 so think of it as .75x=1464 and divide by .75 on both sides to get 1952. Either way works and either way x=1,952

Find two fractions with the difference of 1/5 but with neither denominator equal to 5? I know the answer from Google but how is it solved?

Answers

Suppose we try to write out this problem symbolically:

a     c      1
-- - --- = --- , b not equal to 5, d not equal to 5
b     d      5

Unfortunately, this equation contains 4 unknowns (too many)


We could do a bit of guesswork here:

a     c      1
-- - --- = --- , b not equal to 5, d not equal to 5
b     d      5

  8     6        2
--- - ----- = -----
10    10      10

This is true, but not all that wonderful, because all 3 fractions could be reduced and would then have denominator 5.

Over the last 50 years, the average temperature has increas ed by 2.5 degrees worldwide (I made this up). What is the rate of change in worldwide temperatures per year?

Answers

In this question, you are given the temperate change (increase 2.5 degrees) and the duration (50 years). You are asked the rate of change which has a unit of temperature/year. Then to find it, the calculation would be:

rate of change= temperature change / duration
rate of change= 2.5 degrees / 50 years = 0.05 degrees / year

Find the expressions that are equal..use the equal expressions to write true number sentences ??

Answers

Final answer:

To find equal expressions, identify different expressions that have the same value when evaluated. Write true number sentences using these equal expressions.

Explanation:

In order to find equal expressions, we need to identify different expressions that have the same value when evaluated. For example, the expressions 3 + 4 and 7 are equal because both evaluate to 7. We can use these equal expressions to write true number sentences, such as 3 + 4 = 7.

Another example is the expressions 2 * 5 and 10, which are equal because both evaluate to 10. We can write the true number sentence 2 * 5 = 10 using these equal expressions.

It's important to note that we're looking for expressions that are equal in value, not necessarily in form. For example, the expressions x + 2 and 3 + x are equal because they represent the same value for any given value of x. We can write the true number sentence x + 2 = 3 + x using these equal expressions.

Use distributive property

Question 1. 2f+10

Question 2. 20+24g

Question 3. 32b - 20


simplify the expression

Question 4. 24h + 3d - 10hn+ 8d

Question 5. 12s + 4 + 4s - 2

Answers

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

Hope this still helps! :)

The solutions for the disruptive property are,

2f+10 = 2 (f + 5)

20+24g = 4(5 + 6g)

32b - 20 = 8(4b - 5)

The solution to the expressions is,

E = 24h -10hn +11d

E = 16s + 2

What is an expression?

The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.

Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.

The solution of the equations by using distributive property,

2f+10 = 2 (f + 5)

20+24g = 4(5 + 6g)

32b - 20 = 8(4b - 5)

Simplify the expression

E = 24h + 3d - 10hn+ 8d

E = 24h -10hn +11d

The solution of the second expression is,

E = 12s + 4 + 4s - 2

E = 16s + 2

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"Solve the equation"

Answers

Answer:

y = 3 1/13

Step-by-step explanation:

Add 3 and combine like terms:

... (2 3/5)y = 8

Multiply by the reciprocal of the coefficient of y.

... y = 8 · (5/13) = 40/13

... y = 3 1/13

_____

Check

(3/5)(3 1/13) - 3 + 2(3 1/13) = 5

(3/5)(40/13) - 39/13 + 2(40/13) = 5 . . . . express everything with 13 as a denominator

24/13 - 39/13 + 80/13 = 5 . . . . . eliminate parentheses

(24 -39 +80)/13 = 5 . . . . . . . . . . add the fractions

65/13 = 5

5 = 5 . . . . . the answer checks

Shakira went bowling with her friends. She paid $3 to rent shoes and then $4.75 for each game of bowling. If she spent a total of $21, then how many games did Shakira bowl?

Answers

You simply need to subtract 3 dollars from twenty one, which would be 18.
Now you divide 18 by 4.75. Which is 3.78.
With this result, you just need to round it off, money wise. So she paid for 3 games. 
21-3 = 18 and 18/4.75 = about 3.8. She played 3 full games, but 3.8 total games.

What is the sum of the angle measures of a 32-gon? A. 5400 B. 5760 C. 6120 D. 5580

Answers

[tex]\bf \textit{sum of all interior angles}\\\\ s=180(n-2)\quad \begin{cases} n=\textit{number of sides}\\ ----------\\ n=32 \end{cases}\implies s=180(32-2)[/tex]

Answer:

The sum of measure of angle is 5400

Step-by-step explanation:

Given a 32-gon.

we have to find the sum of the angle measures of a 32-gon

In geometry, 32-gon is a thirty-two-sided polygon i.e polygon of 32 sides

The sum of measure of interior angle of polygon is calculated by the formula

[tex]s=(n-2)180^{\circ}[/tex]

where n is number of sides

[tex]s=(32-2)180=30\times 180=5400[/tex]

Hence, option A is correct.

round to the nearest whole number 5.98

Answers

5.98 rounded to the nearest whole number is 6
To round 5.98, you would look to the tenths place. There's a 9 in the tenths pace so that tells you to round up to 6.

At a sporting goods store, the price of a bicycle is $650. During a sale, this price is marked down 45%.

What is the sale price of the bicycle

Answers

650 x .45 = 292.5

650 - 292.5 = $357.5

Answer:

the answer is 357.50

Step-by-step explanation:


A number p minus 19 algebraic expression

Answers

a number p is "p"

minus 19 is p - 19

your expression is p - 19

hope this helps

Answer:

Expression  p  - 19 .

Step-by-step explanation:

Given  : A number p minus 19 algebraic expression.

To find : Write expression .

Solution : We have given A number p minus 19 .

A number  =  p .

According to question :

p is minus 19

We can see the number p is less than 19

So , p  - 19 .

Therefore, Expression  p  - 19 .

What are the sine, cosine, and tangent of 5 pi over 4 radians?

Answers

[tex]sin( \frac{5 \pi }{4}) = 0.07 [/tex] rounded to two decimal places 

If you have a scientific calculator, you can work this out by first change the setting from degree to radian

[tex]cos( \frac{5 \pi }{4}) = 0.998 [/tex] rounded to three decimal places

[tex]tan( \frac{5 \pi }{4}) = 0.069 [/tex] rounded to three decimal places

Answer:

[tex]\sin\dfrac{5\pi}{4}=-\dfrac{1}{\sqrt{2}}[/tex]  

[tex]\cos\dfrac{5\pi}{4}=-\dfrac{1}{\sqrt{2}}[/tex]  

[tex]\tan\dfrac{5\pi}{4}=1[/tex]  

Step-by-step explanation:

Given : [tex]\theta =\dfrac{5\pi}{4}[/tex]

The angle is on radian.

We need to find the sine, cosine and tangent.

[tex]\sin\theta =\sin(\frac{5\pi}{4}[/tex]

[tex]\sin\theta =\sin(\pi+\frac{\pi}{4}[/tex]

[tex]\sin\theta =-\sin(\frac{\pi}{4}[/tex]      [tex]\because \sin(\pi+\theta)=-\sin\theta[/tex]

[tex]\sin\dfrac{5\pi}{4}=-\dfrac{1}{\sqrt{2}}[/tex]  

[tex]\cos\theta =\cos(\frac{5\pi}{4}[/tex]

[tex]\cos\theta =\cos(\pi+\frac{\pi}{4}[/tex]

[tex]\cos\theta =-\cos(\frac{\pi}{4}[/tex]      [tex]\because \cos(\pi+\theta)=-\cos\theta[/tex]

[tex]\cos\dfrac{5\pi}{4}=-\dfrac{1}{\sqrt{2}}[/tex]  

[tex]\tan\theta =\tan(\frac{5\pi}{4}[/tex]

[tex]\tan\theta =\tan(\pi+\frac{\pi}{4}[/tex]

[tex]\tan\theta =\tan(\frac{\pi}{4}[/tex]      [tex]\because \tan(\pi+\theta)=\tan\theta[/tex]

[tex]\tan\dfrac{5\pi}{4}=1[/tex]  

dom wants to buy 5 baseballs he has $20 what is the most each baseball can cost?

Answers

Each baseball can cost $4.00. Hope this helps! :D

$20 divides by what is $5? 5x4 = 20 so the most a baseball can cost is $4

A cashier has 30 bills, all of which are $10 or $20 bills. The total value of the money is $460. How many of each type of bill does the cashier have?

Answers

the cashier has 16 $10 bills and 14 $20 bills
16×20=320
14×10=140
320+140=460

Answer:

There are 14 $10 bills and 16 $20 bills.

Step-by-step explanation:

Let

x = number of $10 bills

y = number of $20 bills

The sum of the value of x and y is $460.

10 x + 20 y = 460   [1]

The sum of x and y is equal to the total number of bills.

x + y = 30

y = 30 - x   [2]

We replace [2] in [1],

10 x + 20 (30 - x) = 460

10 x + 600 - 20 x = 460

-10 x = -140

x = 14

We can get y if we replace this value of x in [2].

y = 30 - 14 = 16

How do you choose the level of accuracy given the limitations of a situation?

Answers

Accuracy is how close a measured value is to the actual (true) value.

Which graph represents the inequality y<−1+2x?

Answers

The inequality is y<2x-1.

To draw the solutions, we first start our solution by drawing the line y=2x-1.

To draw a line, it is enough to determine 2 solutions (x, y), plot them in the coordinate axes, and finally join them by a line.

Let x=0, then y=2*0-1=0-1=-1, so we have the point (0, -1).

Now, if y=0, x=1/2, so we have the point (1/2, 0).

We can see that these 2 points are points of the lines on the 2 pictures on the left. Now we want to determine which region to color, the region below the line, or the one above it.

Consider any point which is not on the line, for example (1, 2). We plug x=1 and y=2 in the inequality. If the inequality holds, it means that we are in the solutions region. If it does not hold, then we are on the not solutions regions.

We check: for x=1, y=2 the inequality y<2x-1 is 2<1, which is not true. So the point (1, 2) can't be in the colored region.

Thus the answer is bottom left.

Answer: Bottom left picture.

Answer:

bottom left

Step-by-step explanation:

2 different ways to write 6/9

Answers

3/6 and 9/12 Hope This Helps:) 
2/3
12/18

Hope this helped
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