Two circles centered at the origin are graphed on the coordinate plane. The smaller circle has a radius of 2 units and the larger circle has a radius of 8 units.

Answers

Answer 1

The equations that describe the given circles are:

x^2 + y^2 = 4

x^2 + y^2 = 64

How to get the equations for the circles?

For a circle of radius R, centered at the point (a, b), the equation is:

(x - a)^2 + (y - b)^2 = R^2

In this case, we have two circles, both centered on (0, 0), but one has a radius of 2 units and the other a radius of 8 units, then we have two equations:

x^2 + y^2 = 2^2 = 4

x^2 + y^2 = 8^2 = 64

These are the two equations that describe the given circles.

If you want to learn more about circles, you can read:

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Related Questions

Please help with this question! Thank you :)

Answers

hey! i can answer but there’s no fractions?

Encuentra las medidas que faltan

Answers

Answer:

x=49

Step-by-step explanation:

los 3 angulos del triangulo deben de sumar 180

76+55=131

180-131=49

76+55+49=180

X=49 la verdad no se

Figure STUV is translated 7 units down and 5 units left. What are the coordinates for T'?

1) 12,-1
2) 12,11
3) 0,-1
4) -2,11​

Answers

Step-by-step explanation:

T will be at (0,-1)

T is at (5,6) it f translated it will be at

(5-5, 6-7) or (0,-1)

hope it helps

I need help with these two questions please !

Answers

1

lcm of 15 and 12 is 60

so every 60 seconds

2

lcm of 6 and 4 is 12

so its 12

Joseph's grandparents get him a puppy for his thirteenth birthday, and he names the puppy Bailey. Joseph does a good job taking care of Bailey, and she's growing so fast! When Bailey is 1 month old, she weighs 3 pounds. When she is 3 months old, she weighs 6 pounds. In this relationship, x represents Bailey's age (in months), and y represents her weight (in pounds). Explain why this is not a proportional relationship

Answers

Answer:

Step-by-step explanation:

It's not proportional because for every 1 month there's supposed to be 3 pounds, but it shows that when she was 3 months she is 6 pounds soits not proportional because it shows she grows 3 times at first but then by 3 months she grows 1/3

The mad of 1, 10, 7, 6, 4 , 8

Answers

Answer:

2.3333

Step-by-step explanation:

(2+4+6+8) / 4 = 20/4 = 5

Step 2 :

Find the distance between each data and mean.

Distance between 2 and 5 is 3

Distance between 4 and 5 is 1

Distance between 6 and 5 is 1

Distance between 8 and 5 is 3

Step 3 :

Add all the distances :

3+1+1+3 = 8

Step 4 :

Divide it by the number of data :

8 / 4 = 2

2. What is the measure of side KL?

Answers

Answer:

KL ≈ 3.6

Step-by-step explanation:

Using the tangent ratio in the right triangle

tan24° = [tex]\frac{opposite}{adjacent}[/tex] = [tex]\frac{KL}{KM}[/tex] = [tex]\frac{KL}{8}[/tex] ( multiply both sides by 8 )

8 × tan24° = KL , then

KL ≈ 3.6 ( to the nearest tenth )

Answer:

3.6

Step-by-step explanation:

Using Trigonometry we know;

SOH, CAH, TOA

Therefore we will use TOA as we want to find the opposite which will be

tan=opposite/adjacent

so, opposite=tan(x) times adjacent (rearranged the formula)  

which then will be:

tan(24) × 8= 3.561829482

KL=3.6

Graph the inequality.
-73y + 2x <14

Answers

x=-8 All the values less than 7 are included in the number line. The graph on number line is shown in figure attached. In the options given

Which shows one way to determine the factors of x3 5x2 – 6x – 30 by grouping?.

Answers

The factor are (x^2 - 6)(x + 5).

We have given the polynomial of [tex]x^3 + 5x^2 - 6x - 30.[/tex]

What is the grouping method?

The grouping method can be used to factor polynomials whenever a common factor exists between the groupings.

[tex]x^3 + 5x^2 - 6x - 30.[/tex]

factor out the x^2 from first two term and write the remaining term in the bracket

similarly,factor out 6 from the 3rd and 4th term we get

[tex]x^2(x+5)-6(x+5)[/tex]

by grouping are we get

[tex](x^2 - 6)(x + 5).[/tex]

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For what value of x is JKLM a parallelogram?

There is a quadrilateral JKLM in which the measure of angle JKL is (4x+13) degrees, the measure of angle KLM is (4x-1) degrees, the measure of angle LMJ is (5x-8) degrees, and the measure of angle MJK is (3x+20) degrees

Answers

Answer:

5568854 56 great selection and

FAST PLS!
Find the equation of a line. (-2,4). the slope is -2.

Answers

Answer:

y = -2x

Step-by-step explanation:

Because you are given a point and a slope you use what is called the point-slope formula.

y-y₁=m(x-x₁)

[tex]y-4=-2(x--2) \\ y-4=-2x-4\\y=-2x-4+4\\y=-2x[/tex]

How do you solve this?

Answers

Step-by-step explanation:

We need to find the demand so the variable x is unknown.

We know that the variable p is 37.55 so we replace that in the equation

[tex]37.55 = 40 - \sqrt{0.01x + 1} [/tex]

Subtract Property

[tex] - 2.45 = - \sqrt{0.01x + 1} [/tex]

Division Property

[tex]2.45 = \sqrt{0.01x + 1} [/tex]

[tex](2.45) {}^{2} = 0.01x + 1[/tex]

[tex]6.0025 = 0.01x + 1[/tex]

[tex]5.0025 = 0.01x[/tex]

[tex]500.25 = x[/tex]

So the answer is about 500 units per day

How to solve an equation with two different variables.

Answers

Answer:

Step-by-step explanation:

Move the variables to different sides of the equation. This "substitution" metho d starts out by "solving for x" (or any other variable) in one of the ...

A 500-foot cable is attached to the top of a tower and is stretched tight to a point that is 350 feet away from the base of the tower. What is the angle of depression formed by the cable? A. 34. 9° B. 35. 3° C. 44. 4° D. 45. 6°

Answers

The angle of depression formed by the cable is 44°.

The angle of depression is an angle measured downward from a horizontal line to the line of sight between an observer and a point that is below the observer. It is used to describe the angle formed between a horizontal reference line (usually the observer's line of sight) and a line drawn from the observer's eye to a point of interest that is lower in elevation.

According to the question the tower, cable, and path makes a triangle whose

base = 350 feet,

hypotenuse = 500 feet.

Since, cos[tex]\theta[/tex] = [tex]\frac{base}{hypotenuse}[/tex]

                  = [tex]\frac{350}{500}[/tex]

                  = [tex]\frac{7}{10}[/tex]

[tex]\theta[/tex] = arccos([tex]\frac{7}{10}[/tex])

 = 0.77539749 radians

 = 0.77539749 × [tex]\frac{180^o}{\pi}[/tex]

 = 0.77539749 × [tex]\frac{180^o}{3.14}[/tex]

 = 44.45°

 ≈ 44°.

Thus, the correct answer is C. 44°.

Learn more about the angle of depression here:

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#SPJ4

Solve the compound inequality.

Answers

Answer:

Answer: b<4 or b>-2. hope it helps!

please help its due today WILL GIVE BRAINLIEST :)
Lillian has a rectangular garden with an area of 3x² - 10x - 8 square feet. Find the expressions that would represent the length and width of the garden. Make sure you show all your work for full credit.

Answers

Answer:

x = 4

x = -2/3

Step-by-step explanation:

3x² - 10x - 8

multiply 3 and -8 which = -24

what 2 factors of -24 that when added make -10

those 2 factors would be -12 and +2

Rewrite the polynomial splitting the middle term using the two factors -12  and  2

3x^2 - 12x + 2x - 8

split it up

3x^2 - 12x

2x - 8

x(3x + 2)

2(x - 4)

pulling out like factors

(x - 4) * (3x + 2)

OR

3 ( x - 12/3 )( x + 2/3 ) = 0

3( x - 4 )( x + 2/3 ) = 0

divide both sides by 3

x = 4

x = -2/3

pinterestcompin174936766755174432

tigeralgebra.

jada can write 3 1/4 pages in 8 minutes. At this rate, how many pages could jada write in 24 minutes?

Answers

Answer:

9  3/4  pages = x    

Step-by-step explanation:

[tex]\frac{pages}{minutes} = \frac{pages}{minutes}[/tex]        change 3 1/4 to a decimal

[tex]\frac{3.25}{8} = \frac{x}{24}[/tex]

[tex]3.25(24) = 8x[/tex]

[tex]78 = 8x[/tex]

[tex]\frac{78}{8} = x[/tex]

[tex]9.75 = x[/tex]  

[tex]9\frac{3}{4} =x[/tex]

working with the fraction

3 1/4 /8 = x/ 24

3 1/4 (24) = 8x            

 13/4 (24) = 8x

  316/4 = 8x

  78 = 8x

78/8 = x

9 3/4 = x

What's the transformation rule for the following image?


(x+8, y−5)

(x−5, y+8)

(x+8, y+5)

(x−8, y−5)

Answers

It will be the second c-5

A jar of coins totalingg 4. 58 contains 12 qaurters and five nickles. There are twice as any pennies as there is dimes. How many dims are there

Answers

Answer: 12 dimes

Step-by-step explanation: 12 quarters = 3.00

five nickels = 3.25

12 dimes = 4.45

13 pennies = 4.58

Really need help. 25 points, scam answers will be reported

Answers

Answer:

See attached.

Step-by-step explanation:

[] The three different parts show us this will be a quadratic function.

-> y = ax² + bx + c

-> This is a parabola, normally "opening up" towards the top

[] The plain x² shows there will be no compression or stretch scale factor

-> This is the "a" value

[] The -4x shows that the graph will have a linear slope through it of -1/4

-> This is the "b" value

-> See the second image attached

[] The 1 shows that the graph will have a y-intercept of (0, 1)

-> This is the "c" value

Please note that the "parent function" is y = x²

How to find the sale price if 20% profits earned by selling the article of cost price

Answers

Answer:25%

Step-by-step explanation:

just cross multiply thus cost will be 75,profit would be 25 if sales will be 100.

see attachments below

Answers

Step-by-step explanation:

sorry photo is not clear

can someone solve this using order of operations and please explain very well i have a test on it

Explain in details

Answers

This seems long

But is actually pretty simple. Just need to make sure you do the brackets.

Lmk if there’s any further explaining you want.

The depth of the water at the end of a pier changes periodically along with the movement of tides. On a particular day, low tides occur at 12:00 am and 12:30 pm, with a depth of 2. 5 m, while high tides occur at 6:15 am and 6:45 pm, with a depth of 5. 5 m. Let t = 0 be 12:00 am. Graph the equation equationthat models the situation using a graphing calculator and use it to answer the following questions. How many times during this day is the depth at the end of the pier equal to 4 meters? 2 times 3 times 4 times 5 times.

Answers

we get the graph of cosine function.

Here we have given that the low tides occur at a depth of 2.5 m at 12:00 am and 12:30 pm,

separated by the period of T = 12.5 hours. and also high tides occur at a depth of 5.5 m at 6:15 am and 6:45 pm,

separated by a period of T = 12.5 hours.

From the diagram we have use the value of t tor finding the amplitude

So,

What is the formula of amplitude ?

(max+min)/2

Therefore,

The amplitude is,

[tex]\frac{1}{2} (5.5 - 2.5) = 1.5 m.[/tex]

x(0)=2.5 and x(T/2)=5.5

from the diagram  we can say that the function is periodic

[tex]x(t)=-1.5cos(\frac{2\pi t}{12.30} )+4[/tex]

Therefore,

we get the graph of cosine function.

To learn more about pier changes periodically along with moment of tides visit:

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Answer:

C. 4 times

Step-by-step explanation:

the next one is B. 4:00 am

Evaluate (solve) each expression

3ac

if a=4, b=2, c=7

Answers

Answer:

84

Step-by-step explanation:

3(4)(7)

84

just substitute the given values

Answer: answer is 66, this is how i got it.

If a=4     B=2     C=7

Equation: 3ac

First, 3(A=4)   3(4)  for the first one you already said a=4 so you have to put the 4 in the A's spot

Second, 3(4)(C=7)   3(4)(7)   for the letter C you know C is equal to 7, so replace the C with 7,

Third, Now you have to multiple 3x4=12    and multiply 3x7= 21

fourth, Add those two together 33, and multiply by B(2)  

Step-by-step explanation: i really hope this is correct i'm sorry if its not but i tried and goodluck!

#22 please ☹️ i need help

Answers

Answer: I think the answer is the one on step 2

Step-by-step explanation:

(show ur work long division) 98.98 ÷ 0.3

Answers

Answer:

329.933

Step-by-step explanation:

Hope it helps have a great day:)

Simplify the following ratio ( Hint find a common factor and divide) 4 cats : 24 dogs​

Answers

Answer:

1 cat : 6 dogs

Step-by-step explanation:

4/2 : 2

24/2 : 12

2/2: 1

12/2: 6

Please mark brainliest!

Have an amazing day!

Answer:

1:6

Step-by-step explanation:

4/4 is 1 and 24/4 is 6 so its 1/6

pls someone help me quick i need to get this done quick

Answers

Answer:

-13$

pls mark me as BRAINLIEST

Damien has won 164 basketball games and lost 4. what percentage of his games have he won?

Answers

Answer:

2.44% (rounded to nearest hundredth) games LOST

97.56% Games WON

My gratitude attitude - THANKS!

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