Can someone help me with this?

Can Someone Help Me With This?

Answers

Answer 1

Answer:

[tex]\huge\purple{ x^2 +(y+2)^2 = 4}[/tex]

Step-by-step explanation:

Circle is centred at (0, -2)

-> h = 0 & k = - 2

radius of the circle (r) = y-coordinate of the center = - 2

Equation of circle in standard form is given as:

[tex](x-h)^2 +(y-k)^2 = r^2[/tex]

Plugging the values of h, k and r in the above equation, we find:

[tex](x-0)^2 +[y-(-2)]^2 = (-2)^2[/tex]

[tex]\implies\huge\orange{ x^2 +(y+2)^2 = 4}[/tex]

This is the required equation of circle.


Related Questions


Graph the line with slope 1/2
passing through the point (-4,1).

Answers

Answer:

from (-4,1) the line will go up to (-2,2) then (0,3)

Step-by-step explanation:

the slope 1/2 dictates that the line will go up by 1 unit for every 2 units, then we just plot said line from the point given (-4,1) where we go up y by 1 and we go left on x by 2

image could not be provided at this time, tho the line will have a slope that is between horizontal and increasing (to the left) at roughly 30 degrees ish

Supposea triangle has sides 3, 4, and5. Which of the following must be true? OA The triangle in question is not a right triangle. OB. The triangle in question is a right triangle. Oc.The triangle in question may or may not be a right triangle.​

Answers

Answer:  B. The triangle in question is a right triangle.

Reason:

The sides are

a = 3b = 4c = 5

Plug them into the equation below and simplify both sides

[tex]a^2+b^2 = c^2\\\\3^2+4^2 = 5^2\\\\9+16 = 25\\\\25 = 25\\\\[/tex]

Therefore, we have a right triangle. For more information, check out the converse of the pythagorean theorem.

the formula for the circumference of a circl is c = 2 nr determine the circumference when the radius r is 10 cm

Answers

Answer:

20π cm or approximately 62.8 cm

Step-by-step explanation:

» Concepts

The circumference of a circle is the distance, or perimeter, around a circle in a certain unit such as centimeters. The formula to find the circumference, as stated, it 2πr, where r = radius.

» Application

In this case, we're asked to find the circumference of the circle using the formula 2πr. We're also given the radius as 10 cm.

» Solving

[tex]2(10)\pi[/tex] [tex]20\pi[/tex] 20π cm

or

[tex]2(3.14)(10)[/tex] [tex](6.28)(10)[/tex] [tex]62.8[/tex] 62.8 cm

Answer:

c=2nr

but r=10 and n=3,14

c=2(3,14)(10)

c=62,8

A function is given. h(t) = −t + 6/5 ; t = −3, t = 1

Answers

Answer:

h(-3) = 4.2 or 21/5

h(1) = 0.2 or 1/5

Step-by-step explanation:

Plug in -3 for t.

-(-3) + 6/5 = 4.2 or 21/5

Plug in 1 for t.

-(1) + 6/5 = 0.2 or 1/5

Which points are on the graph of f(x)=2^x-3 Select each correct answer.(3, 1) (0, 1) (1, 3) (6, 8)

Answers

Points on a Function

We can determine whether or not a point falls on the graph of a function by plugging its coordinates into the function equation.

If the right side is equal to the left side, the the equation is true, and the point does fall on the graph.

Solving the Question

We're given:

[tex]f(x)=2^x-3[/tex]Answer choices: (3, 1) (0, 1) (1, 3) (6, 8)

(3, 1)

[tex]f(x)=2^x-3[/tex]

⇒ Plug in the coordinates:

[tex]1=2^3-3\\1=8-3\\1\neq5[/tex]

(3,1) is not on the graph.

(0,1)

[tex]f(x)=2^x-3[/tex]

⇒ Plug in the coordinates:

[tex]1=2^(0)-3\\1=1-3\\1\neq-2[/tex]

(0,1) is not on the graph.

(1,3)

[tex]f(x)=2^x-3[/tex]

⇒ Plug in the coordinates:

[tex]3=2^(1)-3\\3=2-3\\3\neq-1[/tex]

(1,3) is not on the graph.

(6,8)

[tex]f(x)=2^x-3[/tex]

⇒ Plug in the coordinates:

[tex]8=2^(6)-3\\8=64-3\\8\neq61[/tex]

(6,8) is not on the graph.

Answer

None of the points are on the graph of the given function.

A lock has a two digit numeric code, with the numbers 1 through 6 available for each digit of the code. Note that numbers can be repeated in the code, so there are 6 possibilities for each of the two digits. Find the total number of possible codes for the lock.

Answers

there are 36 possible codes for this

Side AB is opposite which angle in triangle ABC?

Answers

Answer:

∠ACB

Step-by-step explanation:

we have three options for angles in triangle ABC:

- ∠CAB

- ∠ABC

- ∠ACB

∠ACB is the only angle out of the three given that doesn't directly touch side AB, so this must be our answer

PLEASE HELP WILL GIVE BRAINLIEST 60 POINTS ∆PQR≅∆TUV. Find the missing measurements.

(PQ) = _______ (UV) = _______ m∠T= _______
m∠R= _______ (TV) = _______
m∠Q= _______ m∠U= _______

Answers

Answer:

(PQ) = (TU)              (UV) = (QR)            m∠T= m∠P 

m∠R= m∠V            (TV) = (PR)

m∠Q= m∠U           m∠U= m∠Q

Step-by-step explanation:

The temperature in a town is 35.2°F during the day and -24.5°F at night. Find the difference in the temperatures

Answers

Answer:

[tex]\huge\boxed{\bf\:59.7^{\circ}\:F}[/tex]

Step-by-step explanation:

Temperature during the day = [tex]35.2^{\circ}F[/tex]

Temperature at night = [tex]-24.5^{\circ}F[/tex]

Difference in the temperatures

= Temperature during the day - Temperature at night

= [tex]35.2^{\circ}F - (- 24.5^{\circ}F)\\= 35.2^{\circ}F + 24.5^{\circ}F\\=\boxed{\bf\:59.7^{\circ}F}[/tex]

Difference in the temperatures = 59.7° F

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Which of the following represents the diameter of the circle below?

Answers

Answer:

xy represents the diameter

What is the volume ?

Answers

Answer:

V≈523.6

Step-by-step explanation:

Volume is V=4/3*pi*r^3 and radius is half of diameter

Answer:

523.67km^3

Step-by-step explanation:

[tex]volume \: of \: a \: sphere = \frac{4}{3} \: \pi \: r {}^{3} \\ radiu \: r = \frac{10}{2} = 5km \\ volume = \frac{4}{3} \times 3.142 \times 5 {}^{3} \\ volume = \frac{1571}{3} = 523.67km {}^{3} [/tex]

A coin is tossed three times. The probability of getting two heads and a tail is
_.
Give answer as a fraction in lowest terms.

Answers

The coin is an illustration of probability, and the probability of getting two heads and a tail is 3/8

How to determine the probability?

The sample space of tossing a coin three times is:

S = {HHH,HHT,HTH,HTT,THH,THT,TTH,TTT}

On the sample space, we have:

Two heads and a tail = 3

Sample size = 8

The required probability is then calculated using:

P = 3/8

Hence, the probability of getting two heads and a tail is 3/8

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A bag contains​ pennies, nickels,​ dimes, and quarters. There are 50 coins in all. Of the​ coins, ​16% are pennies and ​34% are dimes. There are 2 more nickels than pennies. How much money does the bag​ contain?

Answers

Answer:
$6.03

Pennies:
50 X 0.16 (16%) = $0.08 (8 pennies) (1 penny = $0.01)

Nickels:
8 + 2 (8 pennies) = 10 nickels = $0.50 (1 nickel = $0.05 ($0.05 X 10))

Dimes:
50 X 0.34 (34%) = 17 dimes (1 dime = $0.10) so: $0.10 X 17 = $1.70

Quarters:
50 - 8 - 10 - 17 = 15 (1 quarter = $0.25)
So: $0.25 X 15 = $3.75

Total amount:
$0.08
$0.50
$1.70
$3.75 +
————
$6.03

What is the value of 5x+3 when x=4?

A. 9
B. 12
C. 23
D. 60

Answers

Answer:

C. 23

Step-by-step explanation:

We substitue 4 for x then rewrite the expression as is

[tex]5(4)+3[/tex]

Then we solve     [tex]5*4=20\\[/tex]                    [tex]20+3=23[/tex]

Armando is a barber. He gets 40% of what each of his customers is charged. If the
customer leaves a tip, Armando gets 100% of the tip. How much does Armando earn on an
$8.50 haircut if the customer tips him $1.30?

Answers

$6.4

so, if he gets 40% of a thing, that means he gets a reduced price.


to conduct sales tax, we need to move the decimal places 2 places to the left of the percent, so 40% becomes .40



then, multiply it to 8.50


that equals 3.4

3.4 is how much is taken away from him.


so, we subtract 3.4 from 8.50

that is 5.1. thats how much he gets from this haircut, but he gets a 1.30 tip



add 1.30 to 5.1



we get $6.4. thats how much he gets.

four times the quotient of 3 divided by 4

Answers

Step-by-step explanation:

Step 1:  Convert words into an expression

Four times the quotient of 3 divide by 4

We know that we are going to be multiplying 4 by something because in the statement we have four times.  Reading further we also know that we are going to be dividing 4 from 3 which means that we will have 3/4.  Finally, we see that we multiply our 3/4 by 4 which gives us our final solution.

[tex]4 * (3 / 4)[/tex]

If we want to solve it the 4's would just cancel and we would be left with 3.

Solution

3

Explanation:

You would start by dividing 3 by 4. Then multiply [tex]\frac{3}{4}[/tex] and 4. The 4s would cancel out leaving you with 3.

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

Elizabeth did a 1 hour workout 3 days a week for 5 months. How many total hours did Elizabeth workout?

Answers

Answer:

60 hours total

Step-by-step explanation:

1 hr x 3 days per week= 3 hrs a week

3 hrs x 4 weeks in a month =12 hrs a month

12 hrs ea month x 5 months = 60 hrs total

I need help with question 10

Answers

Answer:

C

Step-by-step explanation:

pythagorean theorem: a²+b² = c²

area of square = length²

c = side opposite right angle = length of square Z

thus, area of square Z = c²

area of square X = a² (or b², it doesn't matter)

area of square Y = b² (or a²)

a² + b² = c²

region x + region y = region z

Find the lateral area of the solid figure.



24√3
8√3
12√3

Answers

Answer:

Option C. 12√3

Step-by-step explanation:

Lateral area of the solid figure will be = 3×(one lateral side )

Area of a lateral side of the given triangle = (1/2) × (height) × (Base)

Height of an isosceles triangle with a side 4 will be = √(4² - 2²) = √(16-4)= √12 = 2√3

Now area of one lateral side = (1/2)×(2√3)×(4) = 4√3

Therefore lateral area of the solid figure = 3×(4√3) = 12√3

Circle p has radius 8. Points Q and R lie on circle P, and the length of arc QR is 4pie. What is measure angle QPR in radians?

Answers

In the circle the measure of angle QPR in radians is π/4.

What is a circle?

A circle is a closed, two-dimensional object where every point in the plane is equally spaced from a central point. The line of reflection symmetry is formed by all lines that traverse the circle. Additionally, every angle has rotational symmetry around the centre.

The length of the arc QR is 4π, which is 1/2 of the circumference of the circle P.

Therefore, the circumference of the circle is -

2πr = 2π(8) = 16π

The angle subtended by the arc QR at the center of the circle is therefore -

θ = arc length / radius

θ = (4π) / 8

θ = π/2

Now, consider the triangle QPR.

The angle QPR at the center of the circle is equal to twice the angle subtended by the arc QR at any point on the circumference of the circle.

Therefore -

2∠QPR = θ = π/2

Solving for ∠QPR, we get -

∠QPR = (π/2) / 2

∠QPR = π/4

Therefore, the measure QPR is π/4.

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a) 3y = 43 + x

b) 8y + 5x = 61

Answers

Answer:

huh

Step-by-step explanation:

Hello
Please what’s the explanation to get the answer (2+2) ² (2+3)³

Answers

Answer:

141

Step-by-step explanation:

Hello

Please what’s the explanation to get the answer (2+2) ² (2+3)³

we use PEMDAS

Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

(2 + 2)² + (2 + 3)³ =

4² + 5³ =

16 + 125 =

141

What is the probability of a customer buying a carrot at this store?
A 10%
B 19%
C 21%
D 27.5%

Answers

Answer: Its A

Step-by-step explanation:

I would say you answer is D.

You want to exchange £750 for euros. These are the currency exchange rates from 3 different sources. Company Exchange rate Travel Exchange 1.1065 Phoenix Financial 1.1050 Money Matters 1.1075 Which gives you the best value for money?

Answers

Money Matters is the best value for money for £750 they are giving 806.25 euros.

What is Money exchange?

Customers can exchange one currency for another at a currency exchange, which is a licensed business.

The three agents are giving the money at different rates:-

Travel Exchange   =  750  x   1.1065  =   798.75 Euros

Phoenix Financial =   1.1050  x  750  =   787.5 Euros

Money Matters      =  1.1075  x   750  =    806.25 Euros

We can see that Money Matters is giving the best value for money.

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Seis menos el producto de cuatro y un numero x

Answers

La expresión matemática que representa la frase está dada por:

4x - 6.

¿Cuál es la expresión matemática que representa la frase?

Vamos a resolverlo por partes:

El producto de cuatro y un numero x es dado por: 4x.Seis menos el producto es dado por: 4x - 6.

Por lo tanto, la expresión es dada por:

4x - 6.

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Concord Corporation sells its product for $7600 per unit. Unit variable cost are: manufacturing, $4400, and selling and administrative, $50. Fixed costs are: $14000 manufacturing overhead and $20000 selling and administrative. There was no beginning inventory at 1/1/21. Production was 20 units per year in 2021–2023. Sales were 20 units in 2021, 16 units in 2022, and 24 units in 2023. Net income under variable costing for 2023 is

Answers

The income under variable costing for 2023 for Concord Corporation is $73600.

How to calculate the net income?

The formula to calculate the net income will be:

= Total sales - Total variable cost - Total fixed cost

= (7600 × 24) - (4400 + 50 × 24) - 2000

= 182400 - 106800 - 2000

= 73600

Therefore, the income under variable costing for 2023 for Concord Corporation is $73600.

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How Much Time Does It Take From 7:25 To 3:15

Answers

Answer:

7 hours 50 minutes and

Step-by-step explanation:

7.833 hours 470 minutes 28,200 seconds

A cone has volume 3 pi, If the cone's radius in r, then what is the height?

Answers

Answer:

The formula for volume of a cone is area of a circle times height, divided by 3.

Therefore volume is pi times radius squared times height, divided by 3.

V = (3.14)(14)^2 (14)/3

V = (3.14) (196)(14)/3

V = (3.14) (2744)/3

V = 8616.16/3

V = 2872.05333

to the nearest hundredth is 2872.05 cubic yards.

Step-by-step explanation:

If (x+3) is the factor of x3-6x2-11x+k then k is

Answers

[tex]f(x) = x^3 -6x^2 -11x +k \\\\\text{If (x +3) is a factor of f(x), then,}~ f(-3) = 0\\\\~~~~~~~f(-3) = 0\\\\\implies(-3)^3-6(-3)^2 -11(-3) +k = 0\\ \\\implies -27-54+33 +k=0\\\\\implies -48+k = 0\\\\\implies k = 48[/tex]

(5xy^2) (4x^8y^5)= what does it equal

Answers

Answer:

20x^9y^7.

Step-by-step explanation:

(5xy^2) (4x^8y^5)

= 5*4 x*x*8 y^2  *y^5

=  20x^9y^7.

original equation:

[tex](5xy^2)(4x^8y^5)[/tex]

when multiplying exponents, simply add the exponents of like bases.

[tex](5)(4)=20\\\\(x)(x^8)=x^9\\\\(y^2)(y^5)=y^7[/tex]

final answer

[tex](5xy^2)(4x^8y^5)=20x^9y^7[/tex]

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