Write the standard equation of the circle.

Write The Standard Equation Of The Circle.

Answers

Answer 1

Answer:

x^2 + y^2 = 4

Step-by-step explanation:

General for of a circle is x^2 + y^2 = r^2

The circle is centered at the origin and the radius is 2.


Related Questions

Please help I’ll do anything :(

Answers

Answer:

it goes by 2 to 4 to 8 to 12 to 16 so therefore your answer is 4

Step-by-step explanation:

Find the lengths of the missing sides in the triangle. Write your answers as integers or as decimals rounded to the nearest tenth. The diagram is not drawn to scale.​

Answers

Answer:

x = 7[tex]\sqrt{2}[/tex] and y = 7

Step-by-step explanation:

Since this is 45 45 90 triangle, each leg is the same length so y = 7 too and x is always [tex]a\sqrt{2}[/tex]  so x = 7[tex]\sqrt{2}[/tex]

The values of [tex]x[/tex] and [tex]y[/tex] are required.

The required values are

[tex]x=9.9\ \text{units}[/tex]

[tex]y=7\ \text{units}[/tex]

The given triangle is a right angled triangle.

Two given angles are [tex]90^{\circ}[/tex] and [tex]45^{\circ}[/tex]

The sum of the angles is [tex]180^{\circ}[/tex]

The missing angle is

[tex]180-(90+45)=45^{\circ}[/tex]

Since, the two angles are equal the side opposite the angles will also be equal.

So,

[tex]y=7[/tex]

Applying the Pythagoras theorem.

[tex]7^2+7^2=x^2\\\Rightarrow x=\sqrt{7^2+7^2}\\\Rightarrow x\approx 9.9[/tex]

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Nathaniel goes to a store an buys an item that costs xx dollars. He has a coupon for 40% off, and then a 7% tax is added to the discounted price. Write an expression in terms of xx that represents the total amount that Nathaniel paid at the register.

Answers

Answer: He pays x*0.642

Step-by-step explanation:

Suppose that we have an object with an initial price P.

If we have a discount of X%, then the new price will be:

NP = P*(1 - X%/100%)

And if we have an increase of X%, the new price is:

NP = P*(1 + X%/100%)

In this case, we have an initial item that costs x dollars, first we have a coupon for 40% off, then we have a discount of 40%.

Then the new price is:

NP = x*(1 - 40%/100%) = x*(1 - 0.4) = x*0.6

Now we add a tax of the 7%, then the final price will be:

FP = (x*0.6)*(1 + 7%/100%) = (x*0.6)*(1 + 0.07) = x*(0.6*1.07) = x*0.642

This is the total amount he pays at the register.

Please help me out. I will be picking the brainiest Answer!!!

Answers

Answer:

72 M

Step-by-step explanation:

You have to multiply 12 by 6,and to make it easier,you can draw a multiplication chart type thing,where once you drew all of the lines,it would make squares.Count all the squares and that's your answer.

Help with math pls it's my last thing for today

Answers

Answer:

Standard Form:

325,789

Expanded forms can be written like a sentence or stacked for readability as they are here.

Expanded Notation Form:

 325,789 =

 300,000  

+ 20,000  

+ 5,000  

+ 700  

+ 80  

+ 9  

Expanded Factors Form:

   325,789 =

 3 × 100,000  

+ 2 × 10,000  

+ 5 × 1,000  

+ 7 × 100  

+ 8 × 10  

+ 9 × 1  

Expanded Exponential Form:

 325,789 =

3 × 105

+ 2 × 104

+ 5 × 103

+ 7 × 102

+ 8 × 101

+ 9 × 100

Word Form:

325,789 =

three hundred twenty-five thousand seven hundred eighty-nine

Yeah I need help again I suck at math it’s my least fav subject

Answers

I believe it’s 1225....

If it’s right you, use the formula A=s^2....
so in this case just do 35^2 which would be 1225.....

btw demos is a great online calculator (just for future reference) Have a good day! :)

The identity a squared minus B squared equals parentheses a plus B parentheses parentheses a minus B parentheses is true for all values of ANB. Compute the whole number value of 2021 squared -2022The identity a squared minus B squared equals parentheses a plus B parentheses parentheses a minus B parentheses is true for all values of A and B. Compute the whole number value of 2021 squared -2020 squared

Answers

Question:

The identity [tex]A^2 - B^2 = (A + B) (A - B)[/tex] is true for all values of A and B. Compute the whole number value of [tex]2021^2 -2022^2[/tex]

Answer:

[tex]2021^2 - 2022^2 = -4043[/tex]

Step-by-step explanation:

Given

[tex]A^2 - B^2 = (A + B) (A - B)[/tex]

Required

Solve:  [tex]2021^2 -2022^2[/tex]

In: [tex]2021^2 -2022^2[/tex]

[tex]A = 2021; B = 2022[/tex]

[tex]A^2 - B^2 = (A + B) (A - B)[/tex] becomes

[tex]2021^2 - 2022^2 = (2021 + 2022)(2021 - 2022)[/tex]

[tex]2021^2 - 2022^2 = (4043)(-1)[/tex]

[tex]2021^2 - 2022^2 = -4043[/tex]

someone please help.

Answers

the answer would be A
nonlinear negative association
it’s nonlinear because the points tend to follow a curve, not a line

5. Which two values are NOT solutions for x in the inequality 5x + 3 > 33?
a. 5
b. 6
c. 7
d. 8

Answers

Answer:

5 and 6

Step-by-step explanation:

Given the inequality 5x + 3 > 33?

Subtract 3 from both sides

5x + 3 - 3 > 33 - 3

5x > 30

Divide both sides by 5

5x/5 > 30/5

x > 6

Hence the value of x must be greater than 6. The values that are not greater than 6 are 5 and 6. Hence 5 and 6 are not solution for x in the inequality

What is the volume of this figure?
1 yd.
2 yd.
3 yd.
1 yd.
4 yd.
2 yd.
cubic yards

Answers

Answer:

where is the figure. please provide a figure.

What is the solution to the system of equations graphed below?

Answers

Answer:

A

Step-by-step explanation:

The solution to a system of equations given graphically is at the point of intersection of the 2 lines.

The point of intersection is (- 1, 3 ) ← solution

A because the solution is at (-1,3)

Oscar buys his lunch in the school cafeteria. The cost of 15 school lunches is $33.75.
which graph has a slope that best represents the average cost of the lunches in dollars per
unch?

Answers

My name was the first place in orange city in the east London road and the lies of the bay of the east .

Kurt has c comic books. Sandra has 18 times as many comic books as Kurt. Write an expression that shows how many comic books Sandra has.

Answers

Answer:Sandra =  18c

Step-by-step explanation:

Given that Kurt has c comic books

And

Sandra has 18 times as many comic books as Kurt.

We can say the expression to show how many comic books Sandra has will be

Kurt =  c

Sandra =  18c

hii please help i’ll give brainliest!!

Answers

I think it’s The mass of box

ANSWER QUICK WILL GIVE 30 POINTS AND BRAINLESTT!!!!

Answers

Answer:

I got you bro so the sales tax is $0.80 and the total cost is $10.80

Answer:

Sales tax = $0.8Total cost = $10.8

Step-by-step explanation:

Now we have to,

→ find sales tax and total cost.

The sales tax will be,

→ 8% of $10.00

→ (10/100) × 8

→ 80/100

→ $0.8

Now the total cost will be,

→ $10 + sales tax

→ 10 + 0.8

→ $10.8

Hence, total cost is $10.8.

A shelf for bowling balls can support 100 pounds. If a red bowling ball weighs 6 pounds and a blue bowling ball weighs 10 pounds, can the shelf support 4 red bowling balls and 6 blue bowling balls? Write the total weight of the bowling balls.

Answers

Answer:

yes

84

Step-by-step explanation:

Answer:

yes, 84 pounds

Step-by-step explanation:

4 red balls would be 24 pounds

6 blue would be 60 pounds

HELP PLESE I REALLY NEED YOUR HELP. AND PLEASE DON’T GIVE ME LINKS!!

Answers

Answer:

54 ft

Step-by-step explanation:

1/4=3 ft, if you convert the measurements to feet, it adds up to 54

Answer:

one side is 6 feet, one side is 21 feet

(21 x 2) + (6 x 2) = 54 feet

pls give brainliest

Step-by-step explanation:

Please help me please I’m begging you , no wrong answers

Answers

I think the answer is 167$ for 2,500 minutes but you can check it before answering.

hi can someone please answer this for me thanks xoxo will mark brainliest

Answers

Answer:

1.  3.6 times 10   -4      2. 800;0  the last one is 7.92 times 10 7

Step-by-step explanation:

.

What value will make the equation true?
2.1 - ?= 1 1/2

A 3.6
B 0.6
C-0.6
D -3.6

Answers

Answer:

C

Step-by-step explanation:

The answer is C

Owen is going to an amusement park. The price of admission into the park is $40, and once he is inside the park, he will have to pay $2 for every ride he rides on. How much money would Owen have to pay in total if he goes on 7 rides? How much would he have to pay if he goes on rr rides? PLEASE

Answers

Answer:

He will pay $14 to go on 7 rides with admission he will pay a total of $54.

Step-by-step explanation:

Admission-40

One ride-2

40+(2x7)=54


[tex] {x}^{2} - 6x - 12[/tex]

Answers


The expression is not factorable with rational numbers

Victor needs to raise $1500 to travel to Spain with his class. He sells magazine subscriptions for $25 each. Which inequality shows how many magazine
subscriptions, m, Victor must sell to earn enough money for his trip?

Answers

25x is greater than or equal to 1500. the symbol would be a greater than symbol with a line under it

Juicy's business Sweet Sauce is profiting at a rate 20,000 dollars per month. The starting balance in Sweet Sauce's account for 2020 was $50,000. How much money will be in Sweet Sauce's account after July 31st? Write an equation for this problem and answer the question. How much money will be in the account after 2 years?

Answers

Answer:

-The equation for this problem is:

y=50,000+20,000x

-The money in Sweet Sauce's account after July 31st is $190,000

-The money in the account after 2 years is $530,000.

Step-by-step explanation:

With the information provided, you can say that the money in the account would be equal to adding up the starting balance plus the profit per month for the number of months that have passed, which is:

y=50,000+20,000x, where:

y is the money in the account

x is the number of months that have passed

Now, to find the amount of money in the account after July 31st, you have to consider that this is the 7th month and you have to replace x with 7:

y=50,000+(20,000*7)

y=50,000+140,000

y=190,000

Also, to find the amount the amount of money in the account after 2 years, you have to consider that 2 years is equal to 24 months:

y=50,000+(20,000*24)

y=50,000+480,000

y=530,000

-please help this is the last question i have for tonight and im struggling big time D:

Answers

Answer:

108 or 72

Step-by-step explanation:

:) cdhhyvfhjyvfyhgfvhghghhhjbh

do you have S s-n-a-p-c-h-a-t

A giant candy bar costs C dollars last week. This week the price doubled. How much would you pay today if you wanted 3 giant candy bars, and also had a $2 coupon off the total cost? Write this as an expression in terms of C. ​

Answers

((c*2)3)-2=x

x = total cost

EXERCÍCIOS 01) Resolva. A Lino tinha R$430,00 para pagar as seguintes contas R$ 119,00 de energia elétrica, R$65,00 de água e RS97,00 de telefone para fazer algumas compras. Quanto the restou para fazer as compras

Answers

Answer:

$149

Step-by-step explanation:

The computation of the amount left for the shopping is shown below;

= Amount have - Electricity bill - Water bill - telephone bill

= $430 - $119  - $65 - $97

= $149

We simply deduct all expenses from the amount available so the remaining amount i.e. left would be considered for shopping

Andrew salary is 4,250.00 per month plus a commission of 5%of his monthly sales.Andrew sales this month are 10,250.00. What is his total income for thins month?

Answers

Answer:

Andrew's total income for this month is $4762.5.

Step-by-step explanation:

With the information provided, you can find the total income by calculating 5% of the sales this month and adding up this amount to his monthly salary:

sales=10,250

monthly salary=4,250

10,250*5%=512.5

4,250+512.5=4,762.5

According to this, the answer is that Andrew's total income for this month is $4,762.5.

12(3+m)
A.36m
B.36+m
C.36+12m
D.3m+12m
PLEASSSSEEE HELP ASAP 15

Answers

Answer:

C. 36+12m

Step-by-step explanation:

When you distribute a number outside the parenthesis, you multiply it to all numbers nor letters in the parenthesis. Hopes this helps

Chemists use pH as a measure of acidity or alkalinity of a solution. It uses the concentration of hydrogen ions H+ in a logarithmic function. A chemist is studying the alkalinity of a hot spring near a volcano. The hydrogen ion concentration is increasing according to the function f(d) = (0.5 × 10–4)d, where d is the number of days. The function for pH is g(H+) = –log10(H+), where H+ is the hydrogen ion concentration of the solution. Which function shows the pH of the hot spring as a function of d? g(f(d)) = –log10(d) g(f(d)) = –d(log10(0.5 × 10–4)) g(f(d)) = –log10((0.5 × 10–4)d) g(f(d)) = –log10(d × 10–4)

Answers

Answer:

[tex]g(f(d)) = -dlog_{10}(0.5 * 10^{-4})[/tex]

Step-by-step explanation:

Given

[tex]f(d) = (0.5 * 10^{-4})^d[/tex]

[tex]g(H+) = -log_{10}(H+)[/tex]

Required

Find the composite function g(f(d))

We have:

[tex]g(H+) = -log_{10}(H+)[/tex]

Substitute f(d) for H+

[tex]g(f(d)) = -log_{10}(f(d))[/tex]

Substitute [tex]f(d) = (0.5 * 10^{-4})^d[/tex]

[tex]g(f(d)) = -log_{10}((0.5 * 10^{-4})^d)[/tex]

Apply law of logarithm

[tex]g(f(d)) = -dlog_{10}(0.5 * 10^{-4})[/tex]

Hence, the function is:

[tex]g(f(d)) = -dlog_{10}(0.5 * 10^{-4})[/tex]

Answer:

It's C

Step-by-step explanation:

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