Does the following equation represent a circle? Why or why not? X^2-y^2=4

Answers

Answer 1

Answer:

solution given:

yeah it represent circle

as it is in the form:

(x-h)²+(y-k)²=r²

where

centre(h,k)=(0,0)

radius [r]=2 units


Related Questions

Help plsss no links!!! What is the measure of X in degrees?

Answers

Answer:

40⁰

Step-by-step explanation:

As triangle is isosceles,

Z = Y = 70⁰

Thus X = 40⁰, to corporate angle sum property

Helps are really appreciated!!

Answers

Answer:

a) 58.24 square centimeters

b) 5cm

Step-by-step explanation:

a) Area of a parallelogram

The formula for the Area of a parallelogram = Base × Height

Height : 5.2cm

Base : 11.2cm

Area = 5.2 cm × 11.2cm

= 58.24 square centimeters

b) Volume of a cuboid

The formula for the Volume of a cuboid = Length × Width × Height

7cm = Width

3cm = Length

y = Height

Volume = 105cm³

We are to find y

Hence,

105cm³ = 7cm × 3cm × y

y = 105cm³/7cm × 3cm

y = 5cm

Pslss helpppp (any diffrent answer will be reported)

Answers

530.93 because of the formula
The answer is 132.73 as
Pie multiply 6.5^2=132.7322896

Two sides of a triangle have lengths of 9
and 18. Which inequality represents the
possible length for the third side, x?

A. 9 < x < 18

B. 18 < X < 9

C. 9
D. 18 < X < 27

Answers

D) 18 < X < 27

Because the length of the third side has to lesser that the sum of the other two sides

Answer:

I think that a option is correct

"A.9 <x<18"

Step-by-step explanation:

HOPE IT HELPS YOU:)

Factor the following: 25x^2 + 30x = 0​

Answers

Answer:

= 0

= − 6 /5

Step-by-step explanation:

You can use the quadratic formula or just factor it.

Find the Common factor

rewrite in factored form

Create separate equations

then solve

Answer

5x(5x+6)=0

Step-by-step explanation:

Factor 5x out of 25x^2+30x

fill in the table using this function rule.
y=5x-3

Answers

Answers in order:
2
27
32
37
The answers are: 2, 27, 32, 37

Helen bought metal rods that are each 4.2 centimeters long. If Helen lines up 7 of them end-to-end, how long will the line be? Must bein centimeters

Answers

Answer:

29.40 cm

Step-by-step explanation:

total length = length of each rod x number of rods

4.2 x 7 = 29.40cm

The circumference of a fire is 96 inches. Determine the radius of the tire. Use 3 for TT.​

Answers

Answer:

radius is 16 inches

Step-by-step explanation:

C = 2πr

96 = 2(3) r

16 = r

Please please help me with this question

Profile: John John is a 35 year old, divorced man with one child (who lives with his mom). His take home pay is $4123 per month. He pays $1200 per month in child support to his ex-wife. He owns a 2-storey home and his monthly mortgage payments are $475 every 2 weeks. His car expenses total $145 monthly and his car insurance costs him $113 every month. His house insurance is $47.36 monthly. John also has an outstanding credit line of $8500. The only amount due on this account is the interest of about $55 monthly. However John is trying to pay off the credit line within the next 2 years, so he pays off as much of this loan as he can afford each month.

1.Use one highlighter to identify all sources of income. Total the income for each month.

2.Use a different highlighter to identify all sources of expense. Total the expenses for each month.

3. Subtract the Total Expenses from the Total Income for each

month. A Surplus is when your Income minus Expenses = a positive number.

A Shortage is when your Income minus Expenses = a negative number. Does he have a surplus or a shortage?

Answers

Answer:

1. Income highlight: $4123 of take home pay. That's it.

Total monthly income: $4123

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

2. Expense highlight:

$1200 child support

$475 every 2 weeks

$145 car payment

$113 car insurance

$47.36 house insurance

$55 loan payment

Total monthly expense:  $2510.36

(1200 + 2(475) + 145 + 113 + 47.36 + 55 = $2510.36

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

3. $4123 - 2510.36 = 1612.64 surplus

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

The only question remaining is what if they want him paying more on his credit line...it's kind of a variable expense at this point.

John also has an outstanding credit line of $8500. The only amount due on this account is the interest of about $55 monthly. However John is trying to pay off the credit line within the next 2 years, so he pays off as much of this loan as he can afford each month.

3/5 of 3 1/4 is
( Thx for the answer :) )

Answers

Answer:

Step-by-step explanation:

1.95 is the correct answer

1.95 is your answer

Pricilla is driving home from work after dark and the outside temperature is 35°F. Determine which event is unlikely.
A. Priscilla will turn on the radio.
B. Priscilla will turn on the heater.
C. Priscilla will turn on the headlights.

ONLY ANSWER IF YOU KNOW PLZ HELPP
OD. Priscilla will turn on the air conditioner.

Answers

Your answer would be C trust me!!

If x = 5 and y = 0, which is the value of 62x3y8?
A. 7750
B. 1000
C. 930
D. 80
E: 0

Answers

Answer would be E

The reason being anytime you multiply by a zero then then answer will always be zero

X=? What’s is this one?

Answers

Answer:

x = 50°

y = 130°

z = 130°

Step-by-step explanation:

the central angle is equal to it's arc in degrees.

y = 180° - 50° = 130°

You fill cone-shaped pastry bags with icing to a height to 1 foot and a diameter of 3.5 inches. You use about 1.35 cubic inches of icing per cupcake. About how many cupcakes can you decorate with 2 bags of icing?

Answers

Answer:

about 57

Step-by-step explanation:

Subtract line 2 from line 1 to find your taxable income

Answers

Answer:

is there a pic?

Step-by-step explanation:

Your taxable income for the year is $42,000.

What is your available pay in an expense estimation?

Your taxable income is the amount on which you are taxed in a tax calculation. Start with your $50,000 annual income as your base for the calculation.

Then, at that point, take away the allowances, which diminish your available pay, from the all-out pay. The deductions in this instance total $8,000 As a result, your taxable income will be $42,000, or $50,000 divided by $8,000.

This indicates that you will pay tax on $42,000, which will determine your tax bracket and the amount you owe. Deductions like contributions and expenses lower taxable income, thereby lowering the yearly tax bill.

Deduct the total income from the deductions to determine the taxable income:

Available pay = Complete pay - Allowances

Available pay = $50,000 - $8,000

Available pay = $42,000.

Your taxable income for the year is $42,000.

Learn more about expenses here:

https://brainly.com/question/14697297

#SPJ2

The complete question:

What is your taxable income in an expense estimation on the off chance that your year's complete pay is $50,000 and you deduct $8,000?

a basket contains 6 white socks 4 blue socks and 2 black socks
what is the probability of choosing one blue sock and then a white socks with replacement​

Answers

Answer:

Tha answers is

1/6

Step-by-step explanation:

Hope this help

I will mark you brainiest if you an answer this

Answers

Answer:

the awnswer is a = 7 + c

Step-by-step explanation:

∠1and​ ​∠2​ ​are complementary angles.

m∠1=52°

What is the measure of ​∠2​​?

Answers

Answer: 38°

Step-by-step explanation:

Complementary angles are two angles that add up to 90°

Simce the first angle is 52°, subtract 90-52 to get 38°

Lots of points and brainliest!!!

A system of inequalities can be used to determine the depth of a toy, in meters, in a pool depending on the time, in seconds, since it was dropped. Which constraint could be part of the scenario?

The pool is 1 meter deep.
The pool is 2 meters deep.
The toy falls at a rate of at least a Negative one-half meter per second.
The toy sinks at a rate of no more than a Negative one-half meter per second.

Answers

Answer:

The toy falls at a rate of at least a Negative one-half meter per second.

Step-by-step explanation:

Answer:

the awnser is a or the pool is 1 meter deep

Step-by-step explanation:

i am smart and i got it right when i did it

A cell phone company data about students texting skills.They collected the texting speed in words per minutes according to time in minutes.Identify the data's independent and dependent values

Answers

Answer:

independent variable = Time

Dependent variable = texting speed

Step-by-step explanation:

The Independent and dependent variables are used in regression analysis for making prediction. The Independent variable also called the predictor are the variables or data collected in other to influence or determine the outpjt obtained which is the dependent or predicted variable. Hence, the aim or prediction we wish to obtain, measure or determine is the dependent variable In the scenario above, the aim of the data collected is to determine the typing skill, here, the dependent variable is the typing skill. The data required to define the bthis is the data collected on typing speed which measures time taken to type.

Therefore, independent variable = Time

Dependent variable = texting speed

Help pls!! I need to pass

Answers

Answer is 45 pls mark as brainlist

2 CDs and 9 DVDs cost £69. 2 CDs and 6 DVDs cost £48. i. Form a pair of simultaneous equations to represent these two sentences ii. Solve the simultaneous equations to find the cost of 1 CD and 1 DVD.

Answers

Answer:

Cost of 1 CD = x = £3

Cost of 1 DVD = y = £7

Step-by-step explanation:

Let us represent:

Cost of 1 CD = x

Cost of 1 DVD = y

i. Form a pair of simultaneous equations to represent these two sentences

2 CDs and 9 DVDs cost £69.

2x + 9y = 69.... Equation 1

2 CDs and 6 DVDs cost £48.

2x + 6y = 48..... Equation 2

ii. Solve the simultaneous equations to find the cost of 1 CD and 1 DVD.

Combining both equations together:

2x + 9y = 69.... Equation 1

2x + 6y = 48..... Equation 2

We substract Equation 2 from Equation 1

3y = 21

y = £7

Solving for x using Equation 1

2x + 9y = 69.... Equation 1

2x + 9 × 7 = 69

2x + 63 = 69

Collect like terms

2x = 69 - 63

2x = 6

x = 6/2

x = £3

Therefore,

Cost of 1 CD = x = £3

Cost of 1 DVD = y = £7

Their is a rectangle that has measurements in inches. If the width is 7/8 of an inch and the height is 2/3 of an inch, what is the AREA of the rectangle?

Answers

Answer:

Area of a rectangle = 7/12 of an inch

Step-by-step explanation

Area of a rectangle = Length × width

In this case, the length is represented by height

Height = 2/3 of an inch

Width = 7/8 of an inch

Area of a rectangle = Length × width

= 2/3 × 7/8

= (2 * 7) / (3 * 8)

= 14 / 24

= 7 / 12

Area of a rectangle = 7/12 of an inch

which value is closest to 0 on a number line? A.12 B.|-12.5| C.-11.75 D.|12.1

Answers

Answer: -11.75

Step-by-step explanation: The distance is 11.75 units close to 0, compared to the 2nd closest which is A (12)

A cylinder has a radius of 5 cm and a height of 8 cm. What is the volume of the cylinder in terms of π?

Answers

Answer:

The answer to the question is 80π

Which three lengths could be the lengths
of the sides of a triangle?
A. 4 cm, 8 cm, 13 cm

B. 13 cm, 11 cm, 23 cm

C. 5 cm, 18 cm, 12 cm

D. 25 cm, 8 cm, 16 cm

Answers

Given:

The three lengths in the options.

To find:

Which three lengths could be the lengths of the sides of a triangle?

Solution:

If the sum of two smaller sides is greater than the largest side, then the three sides can form a triangle otherwise the triangle is not possible.

In option A, the three sides are 4 cm, 8 cm, 13 cm. Here, the largest side is 13 cm.

Sum of two smaller sides is:

[tex]4+8=12[/tex]

[tex]4+8<13[/tex]

So, the triangle is not possible.

In option B, the three sides are 13 cm, 11 cm, 23 cm. Here, the largest side is 23 cm.

Sum of two smaller sides is:

[tex]13+11=24[/tex]

[tex]13+11>23[/tex]

So, the triangle is possible.

In option C, the three sides are 5 cm, 18 cm, 12 cm. Here, the largest side is 18 cm.

Sum of two smaller sides is:

[tex]5+12=17[/tex]

[tex]5+12<18[/tex]

So, the triangle is not possible.

In option D, the three sides are 25 cm, 8 cm, 16 cm. Here, the largest side is 25 cm.

Sum of two smaller sides is:

[tex]8+16=24[/tex]

[tex]8+16<25[/tex]

So, the triangle is not possible.

Therefore, the correct option is B. The three lengths 13 cm, 11 cm, 23 cm could be the lengths of the sides of a triangle.

Hi i need help identifying them​

Answers

1. Isosceles triangle
3.scalene triangle
5. Acute triangle

I’m a bit rough when it comes to triangles, so I hope this helped!

x +y=5, 2x-3y=4
3x+4y=10, 2x-2y=2
by Multiplication method
correct answer will mark as brainiest

Answers

question 1 -0, question 2-0, question 3-0, question 4-0

Which statements are correct about the following expression? Select TWO that apply.
2y + 1

Answers

Answer:

Step-by-step explanation:

2y + 1 is a binomial, in that it has two terms.

If we set 2y + 1 equal to x, then 2y = x - 1, or

        x - 1

y = -----------

           2

if x=4 what is the value of 3x-2

Answers

Answer:

10

Step-by-step explanation:

Because x=4 you have to plug it into the equation

3(4)-2=

12-2=

=10

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