A=1/2f(r+z), solve for r

Answers

Answer 1

Answer:[tex]\frac{2A}{f} -2=f[/tex]

Step-by-step explanation:

A=1/2(r+2)

2A=f(r+2)

2A/f=r+2

2A/f-2=r


Related Questions

Q1.) A carton contains 25 cards numbered 1 to 25. Alecia picks a card randomly. What is the probability that Alecia will pick an odd number?

Answers

Answer:

52%

Step-by-step explanation:

Since there are 25 numbers in 1-25, you need to divide 100/25 which is 4.

There are 13 odd numbers in 1-25 so you need to multiply 13x4.

13x4=52

There is a 52% chance she will pick an odd number.

An airplane descends 2.7 miles to an elevation of 8.35 miles. Find the elevation of the plane before its descent.

Answers

11.05

You would add these two numbers to find what the started at because the inverse of subtraction is addition.

Find the area of the shaded regions below. Give your answer as a completely simplified exact value in terms of pi

Answers

Answer:

18π cm²

Step-by-step explanation:

The area of the shaded region = Area of Sector

Radius, r =

The value of θ = 80°

Recall :

Area of Sector :

A = θ / 360 * πr²

A = (80 / 360) * π * 9²

A = 0.222222 * π * 81

A = 18π cm²

Ted is making a red and yellow quilt with dimensions of 72 in by 90 in is how many square feet of fabric does he need​

Answers

Answer:

https://socratic.org/answers/327824 click on the link

$22 increased by 40% is what?

Answers

Answer: 30.8

Step-by-step explanation:

Answer:

$22 increased by 40% is 30.80

Step-by-step explanation:

PLEASE HELP ASAP!!


What is the value of x?
Enter your answer in the box.

Answers

Answer:

5

Step-by-step explanation:

[tex]x^{2} +12^{2} = 13^{2} \\ x^{2} =13^{2} -12^{2} \\ x^{2} =169-144\\ x^{2} =25\\ \sqrt{x^{2} } =\sqrt{25} \\ x=5[/tex]

Please help and dont just do a random answer for points

Answers

Answer:

125

Step-by-step explanation:

5*5*5 = 15*5 = 125

Answer:

125

Step-by-step explanation:

Times 5 three times by itself

When Julie jogs, she burns 255 calories in 15 minutes and 340 calories in 20 minutes. Which equation represents how many calories she can burn per minute
(A)C = 17m
(B) C= 15m
(C) C = 85m
(D) C = 20m

Answers

C because I just know add and multiple and dived

Benji is conducting an experiment. He has 0.78 L of solution to divide evenly among 8 petri dishes. How much solution should he put in each petri dish? 0 7.22L 8.78 L 103 mL O 97.5 mL​

Answers

0.78 L of solution divided into 8 dishes so 97.5 :)

Answer:

97.5

Step-by-step explanation:

im on the review and I clicked check answer and got it right

A small measuring spoon holds 5 milliliters. How many spoons would 1 liter of liquid fill?

Answers

the answer is 200

1000 ÷ 5 = 200.
Answer: 200

===================================================

Work Shown:

1 liter = 1000 milliliters

1 spoon = 5 milliliters

200*(1 spoon) = 200*(5 milliliters)

200 spoons = 1000 milliliters

200 spoons = 1 liter

Notice how 1000/5 = 200, so that's why I multiplied both sides of the second equation by 200 to end up with what is shown above.

Use the points (1997, 13) and (2005, 22) to write the slope intercept form of an equation for the line of fit shown in the scatter plot. Round values to the nearest hundredth.

A. y=0.89x+1985.44
B. y=1.13x-2243.65
C. y=1.13x-2233.63
D. y=0.89x-1985.44

Answers

Answer: C. y=1.13x-2233.63

The slope-intercept form of an equation for the line of fit shown in the scatter plot is; C. y=1.13x-2233.63

What is the slope?

The slope is the ratio of the vertical changes to the horizontal changes between two points of the line.

We can observe that the line of best fit on this scatters plot passes through points (1997, 13) and (2005, 22).

Using the slope formula,

⇒ slope = (22 - 13)/(2005 - 1997)

slope = (9)/8

Also, the slope-intercept form of an equation for the line of fit shown in the scatter plot is;

y - 13 = (9)/8(x - 1997)

y = 1.13x  -2233.63

Therefore, the slope-intercept form of an equation is y = 1.13x  -2233.63

Learn more about slope and y-intercept here:

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Ditch Digging Problem Doug Upp can dig a ditch in 3 hours. His
brother Phil could dig the same ditch in 5 hours. How long would it take to dig the ditch if both work together?

Answers

It’s definitely less than 8 because when two people work together it takes less time

WILL GIVE BRAINLIEST FOR RIGHT ANSWER

Answers

Answer:

1.5

Step-by-step explanation:

2 ft. / the number of sides for width (2) = 1 then 3 ft. / number of sides for length (2) = 1.5

1.5 x 1 = 1.5

"five times the difference of x and 4" represent?

Answers

Answer:

5(x-4) or 5(x-4)

Step-by-step explanation:

(not 100% sure though)

[tex]five \: times \: the \: difference \: of \: x [/tex]

[tex]and \: 4 \: represents \: 5(x - 4)[/tex]

Find the total surface area of this cone.
Leave your answer in terms of T.
24.in
SA =? - in2

Answers

Answer:

SA = 360π in²

Step-by-step explanation:

The slant height l is the hypotenuse of the right triangle inside the cone.

Using Pythagoras' identity to find l

l² = 24² + 10² = 576 + 100 = 676 ( take the square root of both sides )

l = [tex]\sqrt{676}[/tex] = 26

Then

SA = πrl + πr²

      = (π × 10 × 26) + (π × 10²)

      = 260π + 100π

      = 360π in²


La vitesse moyenne de 108 km/h correspond à :

Answers

Answer:

i dont know the language

Step-by-step explanation:

please answer correctly !!!!! Will mark Brianliest !!!!!!!!!!!!!!

Answers

Answer:

There are 4 boys for every 6 girls (4 : 6 ratio)

8 zombies have been spotted just outside of Galveston, its population by 50% each day. Write an equation that represents this specific outbreak.

Answers

Answer: 2+2?

Step-by-step explanation: Yes

can someone do this and explain how you did it with the formula and stuff.

Answers

Step-by-step explanation:

Chop it into shapes you know how to solve with:

Rectangle with dementions 6m x 3m A=18m^2

Rectangle with dementions 12m x (8-3)m A=60m^2

Rectangle with dementions 2m x 3m A=6m^2

total area= 18+60+6=84m^2

Peremeter:

12+6+2+(12-6-2)+3+3+8+8

=12+12+3+3+8+8

=24+6+16

=30+16

=46m

solve the triangle give the measure of angle G

Answers

Answer:

G = 46 degrees

Step-by-step explanation:

Here, we want to find the measure of angle G

Mathematically, as we can see, what we have is a right triangle

For a right triangle , the sum of angles is 90 degrees

Thus, if we add the two internal angles, we get 90 degrees

Hence;

44 + G = 90

G = 90-44

G = 46 degrees

Which would be the best method to use to solve the following equations? Explain your reasoning.
Use each method only once.

Factoring
Square root Property
Completing the square
Quadratic Formula

A. 3x^2-192=0
Method:
Why:

B. x^2-x-6=0
Method:
Why:

C. x^-6x-7=0
Method:
Why:

D. x^2-17x-7=0
Method:
Why:​

Answers

A. square root property

[tex]3x^2-192=0\\x^2-66=0\\x^2=66\\x= -\sqrt{66} or \sqrt{66}[/tex]

it has one value with x which is x^2 and it cn be easily solved without having to factorise, quadratic formula cant be used as it need ax^2+bx+c=0 format

B. factorising

[tex]x^2-x-6=0\\x^2+2x-3x-6=0\\(x+2)(x-3)=0\\x+2=0 and x-3=0\\x= -2 \\x= 3[/tex]

i just felt like this was easier to factorise than the other 2 options left

C. Completing the square

[tex]x^2-6x-7=0\\(x-3)^2=0\\x= -1\\x= 7[/tex]

same reason personal preference

D- Quadratic

[tex]x^2-17x-7=0\\x=\frac{-(-17)+\sqrt{(-17)^2-4(1)(-7)} }{2(1)} \\x=\frac{-(-17)-\sqrt{(-17)^2-4(1)(-7)} }{2(1)}\\x=17.4\\x=-0.402[/tex]

the 17 kinda threw me off and i didnt wanna get on factorising or doing completing the square so quadratic formal

5. Write two fractions that are equivalent to
10. Describe how you can show they are
equivalent.

Answers

Answer:

equivilent to what?

Step-by-step explanation:



Dr. Baker, a veterinarian, recorded the weight of each newborn kitten her office saw today.
Kittens' weights (g)
100
120
140
160
180
200

Answers

Answer:

30 grams is the answer

As per the given data, the interquartile range of the kittens' weights is 60 g.

What is interquartile range?

The interquartile range (IQR) is a measure of variability, based on dividing a data set into quartiles.

The IQR is the range between the first quartile (Q1) and the third quartile (Q3). It represents the range of the middle 50% of the data set.

To find the interquartile range (IQR) of the kittens' weights, we need to first find the median and the quartiles.

Find the median (Q2):

The median is the middle value when the data is arranged in order. In this case, we have an even number of data points, so we take the average of the two middle values:

100, 120, 140, 160, 180, 200

The middle values are 140 and 160, so the median is:

(Q2) = (140 + 160) / 2 = 150

Find the first quartile (Q1):

The first quartile is the middle value of the lower half of the data. To find Q1, we take the median of the lower half:

100, 120, 140

The median is 120, so Q1 is:

Q1 = 120

Find the third quartile (Q3):

The third quartile is the middle value of the upper half of the data. To find Q3, we take the median of the upper half:

160, 180, 200

The median is 180, so Q3 is:

Q3 = 180

Calculate the interquartile range:

The interquartile range is the difference between the third and first quartiles:

IQR = Q3 - Q1 = 180 - 120 = 60

Therefore, the interquartile range of the kittens' weights is 60 g.

For more details regarding interquartile range, visit:

https://brainly.com/question/29204101

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URGENT!!

A rectangular prism made of 1/4-inch cubes is shown.




What is the volume of the rectangular prism? Do not include units in your answer.

Answers

Answer:

1 1/2

Step-by-step explanation:

find the L W H and multiply it and divide by 1/4.

Hope this helps :)

The volume of the rectangular prism is 24 inches cube.

What is volume?

Volume is the scalar quantity of any object that specified occupied space in 3D.

For example, the space in our room is referred to as volume.

Volume has units of cube example meter³,cm³, etc.

The volume of cuboid = length × height × width.

The volume of the cube = side³.

Given the rectangular prism with a bunch of small cubes whose volume is 1/4 inches³.

Number of small cubes = 8 × 4 × 3 = 96

The volume of the complete prism = Volume of 1 cube × the Number of small cubes.

The volume of the complete prism = 1/4 × 96

The volume of the complete prism = 26 inch³.

Hence "The volume of the rectangular prism is 24 inches cube".

To learn more about volume,

https://brainly.com/question/1578538

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hockey practice begins at 6:17 p.m.
it ends at 7:08 p.m.
how long is hockey practice?
11 mins
25 mins
41mins
or 51 mins.

Answers

Answer:

51 minutes ???????????

i need help. this is due tomorrow. i need the equation and solve for x

Answers

Answer:

equation: 120=2(x+32)

x=28

Step-by-step explanation:

What are the coordinates of the point obtained if the point A=(3,7) is rotated 180 degrees about the origin?
A. (-3,7)
B. (-3,-7)
C. (-7,-3)
D. (-7,3) ​

Answers

Answer:

B. (-3, -7)

Step-by-step explanation:

Anytime you rotate a number 180° about the origin, the numbers in the coordinates become their opposites.

-3 is the opposite of 3 and -7 is the opposite of 7.

Therefore, your new coordinates are (-3, -7)

(x,y) becomes (-x,-y)

FREE PTS! If you were to have any superpower, what would it be?​

Answers

Answer:

Thanks for the pooints

Step-by-step explanation:

And It would be To be smart.

Answer:

To be ultra brainy so I would’ve have to look for easy questions to answer to earn points on brainly

Step-by-step explanation:

There are 84 soccer players in a local league. At tjis rate how many soccer players are there per team?

Answers

Answer:

how many teams are there?

Step-by-step explanation:

Help me pleaseeeee 20 points :)

Answers

9514 1404 393

Answer:

down 8 unitsright 3 units

Step-by-step explanation:

Find corresponding points on the original image and the translated image. Use their coordinates, or count grid squares, to see what the translation is.

Y increases when translation is upward.

X increases when translation is to the right.

__

Here, the figure is translated right 3 units and down 8 units.

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