The area of a circle in terms of pi is 56 pi m². Find the value of the radius. Give your answer as a simplified surd

Answers

Answer 1

Answer: 2√14

Step-by-step explanation:

The area of a circle is A = πr², where r is radius. Since the area is 56π, we can divide π from both sides to find r² = 56. The square root of 56 is √56, which can be rewritten to √8×√7. The square root of 8 is equal to 2√2, so the simplified value for radius is 2√2×√7, or 2√14.


Related Questions

The trapezoid shown above has an area of 21.66 square inches.

What is the total area of the shaded sections of the trapezoid?

A. 2.09 square inches
B. 4.18 square inches
C. 4.86 square inches
D. 8.74 square inches

Answers

Answer:

2.09 for only one triangle.

4.18 for two triangles.

Step-by-step explanation:

Hope this helps good luck in math if you need to look up how to find the area of a triangle all you have to do is multiply the base times the height then divide it by two.

Have a great day!

Please please help will give brainliest

Answers

Answer:

am really and surely 34ca6

You have the following coins in your pocket: 5 quarters, 6 dimes, 2 nickels, and 12 pennies. What is the probability you will draw a dime and then a
penny?

Answers

5 quarters is 125 cents 6 dimes is 60 cents 2 Nickels are 10 cents and 12 pennies are 12 cents all that in total is 207

Probability is the chance of an event to occur from a total number of outcomes.

The formula for probability is given as:

Probability = Number of required events / Total number of outcomes.

The probability of drawing a dime and then a penny is 9/50.

What is probability?

It is the chance of an event to occur from a total number of outcomes.

The formula for probability is given as:

Probability = Number of required events / Total number of outcomes.

We have,

Number of coins = 6 dimes + 2 nickels + 12 pennies = 20

Number of dims = 6

Number of nickels = 2

Number of pennies = 12

The probability of drawing a dime.

= 6/20

= 3/10

The probability of drawing a penny.

= 12/20

= 6/10

= 3/5

Now,

The probability of drawing a dime and then a penny.

= 3/10 x 3/5

= 9/50

Thus,

The probability of drawing a dime and then a penny is 9/50.

Learn more about probability here:

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The circumference of a circle is double the perimeter of square having area 484 meter square . what is the area of the circle.​

Answers

Answer:

وتؤوثتيمسوثاسز لا لا لا وا

Answer:

616 sq. m

Step-by-step explanation:

The area of a square = 484

(Side)2 = 484  

side of a square = 22 m

According to the question,

circumference of a circle = perimeter of a square

2∏r = 4 × 22

r = 88 × 7/22 × 1/2  

r = 14 m

Area of a circle = ∏r2 = 22/7 × 142 = 616 sq. m

Eliza volunteers at a nearby aquarium
where she tracks the migratory patterns
of humpback whales from their feeding
grounds to their breeding grounds. She
recorded the distance traveled by the
whales each day for a 7-day period at
the start of their migration. Based on
Eliza's data, about how long will it take
the humpback whales to travel the
3,100 miles to their breeding grounds?

Answers

It is 3٫100 miles right

A total of 693 tickets were sold for the school play. They were either adult tickets or student tickets. There were 57 fewer student tickets sold than adult tickets. How many adult tickets were sold?

Answers

Answer:

Student tickets: 318

Adult tickets: 375

Step-by-step explanation:

318 + (318 + 57)

318 + 375

693

The circumference of a circle is 6 2/7 miles. What is the area of the circle in square miles? ( Use 22/7 for pi.)

Answers

Answer:

solution given:

circumference of circle=6 2/7=44/7miles

2πr=44/7 miles

r=44/7×7/44=1 miles

now

area of circle=πr²=22/7×1²=22/7 =3 1/7 miles ²

please helppp mee!!!
explain how you know!

Answers

Answer:

Yes It will still be balanced.

Step-by-step Explanation:

Since the object is basically being cut in half, as long as the weight is still the same on each side, the balance should still be the same.

Yes it’s balanced! :)

Hey guys do any of you guys know the answer to this? I’m struggling with it and I still don’t know the answer plz help me! Thanks!

Answers

Answer:

steps below

Step-by-step explanation:

DE/WX = 15/35 = 3/7

DF/WY = 24/56 = 3/7

EF/XY = 18/42 = 3/7

ΔDEF similar to ΔWXY   (sss) : 3 corresponding sides are in the same ratio

A table of values of a linear function is shown below. Find the output when the input is . Type your answer in the space provided.

Answers

The input is 5. The output is 14. The output is going up by twos,

i really really need help

Answers

Answer:

which one

Step-by-step explanation:

which one

BRAINLIEST
A spinner has four lettered sections. The table shows the results of an experiment spinning the pointer.


Find the probability of spinning a R. You must write your answer as a fraction.

-table-

Answers

Answer:

one half

because if you times it you will get the fraction

Answer:

one half

Step-by-step explanation:

u can multiply it that u will get it answer

What is the gradient of the graph shown?
Give your answer in its simplest form.

Answers

Step-by-step explanation:

One sec I'll answer this right now

-2 Is the answer!!

True or false the median is always a number that is part of the data set?

Answers

Answer: Mostly. The middle number of the data is the median (set should be in order). If there are more than one middle numbers, then they are not the median but the average of those numbers are the median.

This is not necassary that average is always present in the listed information.

Step-by-step explanation:

Answer:

true

Step-by-step explanation:

With a data set there are multiple number and always a middle whether or not its 2 numbers or 15. theres always a median.  

1/7 divided by 3
whoever answers this question first will get brainliest and all 5's

Answers

Answer:

0.04761904761

You can search for any mathematical expression, using functions such as: sin, cos, sqrt, etc. You can find a complete list of functions here.

(

)

%

AC

7

8

9

÷

4

5

6

×

1

2

3

0

.

=

+

Rad

Deg

x!

Inv

sin

ln

π

cos

log

e

tan

Ans

EXP

xy

=

123

Fx

Answer: 1/21 or ~0.047619

Step-by-step explanation: just trust me

Expand 9(2n+3)

Pls help

Answers

Answer:

18n + 27

Step-by-step explanation:

9(2n+3)

18n + 27

Find the second term in the expanded form of (2x + 1)^4

Answers

Answer:

16[tex]x^{4}[/tex]+32[tex]x^{3}[/tex]+24[tex]x^{2}[/tex]+8x+1

to expand this, you're basically doing (2x+1)(2x+1)(2x+1)(2x+1)

Adsila's recipe for peach frozen yogurt says to mix 3 cups blended peaches for every 2 cups vanilla yogurt. Which of these frozen yogurt recipes has a stronger taste than Adsila's?

Answers

Answer:

A 5 cups blended peaches for every 3 cups vanilla yogurt

B 8 cups blended peaches for every 5 cups vanilla yogurt

Step-by-step explanation:

Adsila’s recipe for peach frozen yogurt says to mix 3 cups blended peaches for every 2 cups vanilla yogurt. Which of these frozen yogurt recipes has a stronger

peach taste than Adsila’s? Select all that apply.

A 5 cups blended peaches for every 3 cups vanilla yogurt

= 5 : 3

= 5/3

= 1.67

Stronger peach taste

B 8 cups blended peaches for every 5 cups vanilla yogurt

= 8 : 5

= 8/5

= 1.6

Stronger peach taste

C 9 cups blended peaches for every 6 cups vanilla yogurt

= 9 : 6

= 9/6

= 1.5

Equal peach taste

D 10 cups blended peaches for every 8 cups vanilla yogurt

= 10:8

= 10/8

= 1.25

Lesser peace taste

E 14 cups blended peaches for every 10 cups vanilla yogurt

= 14 : 10

= 14/10

= 1.4

Lesser peach taste

Cups of Blended peaches : cups of vanilla yogurt = 3 : 2

= 3/2

= 1.5

All that applies includes:

A 5 cups blended peaches for every 3 cups vanilla yogurt

B 8 cups blended peaches for every 5 cups vanilla yogurt

A/B

Step-by-step explanation:

Plss help!!!!! Ty!

What is the area of this semicircle?

Answers

Area of a circle is pi (r)^2
So area of semi circle is 1/2 pi (r)^2
Then area =32 pi or ~100.53

Answer:

[tex]{\small{\boxed{\sf{\red{here's \: your \: solution...}}}}} \\ \\{\small{\boxed{\sf{\purple{area \: of \: semicircle \: =\pi \: r {}^{2} { \div 2} {} }}}}} \\ \\ \\{\small{\boxed{\sf{\purple{radius = 8cm }}}}} \\ \\ \\{\small{\boxed{\sf{\purple{area \: of \: semicircle \: =(22/7 \times 64) \div 2}}}}} \\ \\ \\{\small{\boxed{\sf{\purple{area \: of \: semicircle \: =100.57 \: cm {}^{2} }}}}}[/tex]

[tex]\small\mathfrak\green{Hope \: it \: helps \: \: .......| }[/tex]

A shirt cost $21 last month. This month the price decreased by 30%. What is the new price?
ASAP HELP

Answers

Answer:

Step-by-step explanation:

21x.30=6.3

21-6.3= 14.7

If  shirt cost $21 last month and the price decreased by 30% then the new price is $14.7.

What is Percentage?

percentage, a relative value indicating hundredth parts of any quantity.

Given that a  shirt cost is $21 last month.

The  price decreased by 30% in this month.

We have to find the new price.

To find this we have to find 30 percentage of 21.

Convert 30 % to decimal value by dividing with 100 and then multiply the decimal value with $21.

30/100× 21

0.3×21

$6.3

So the amount decreased is $6.3

The new price we get by subtraction $6.3 from $21.

21-6.3

New price = $14.7

Hence, if  shirt cost $21 last month and the price decreased by 30% then the new price is $14.7.

To learn more on Percentage click:

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A right cone has a surface area of 440 square inches and a radius of 7 inches. Find its slant height.

Answers

Answer:

Surface Area of right cone  

               =[tex]\pi r(r+\sqrt{h^2 + r^2}[/tex]

[tex]440 = \pi *7*(7+\sqrt{h^2+7^2})\\\\440 = 7\pi (7 + \sqrt{h^2+7^2})\\\\\frac{440}{7\pi } = 7 + \sqrt{h^2+49}\\\\\frac{440}{7\pi } - 7 = \sqrt{h^2+49}\\\\\frac{440-49\pi}{7\pi} =\sqrt{h^2+49}\\\\[/tex]

[tex]\frac{286.062}{21.99} =\sqrt{h^2+49}\\\\13.0087= \sqrt{h^2+49}\\\\(13.0087)^2 = (\sqrt{h^2+49})^2\\\\169.227 = h^2 +49\\\\169.227 - 49 =h^2\\\\120.227 = h^2\\\\h = \sqrt{120.227} = 10.96in[/tex]

Find the terms, coefficients, and constants of 4x+x+17

Answers

Answer:

17 and x=constant,

4x=coefficient

hope this helps

have a good day :)

Step-by-step explanation:

4x + x + 174x is a termThe 4 is a coefficientThe x is a variableThe other x is also a variableThe lonely x actually has an invisible coefficient (Which is 1)The 17 is a constantThe whole equation is an expression :)

(no links or files) Solve this equation using the quadratic formula.

Answers

Answer:

x = 1/2,-3

Step-by-step explanation:

I think the answer is x = 1/2, -3.

Can someone help with this please????? I dont understand!!! Show all steps!!!!

Answers

I think this is the answer

How do you find the mean, median, mode, and range of a set of numbers?

Answers

Answer:

You find the mean by adding all the numbers together then divide the sum of that by the amount of numbers there are. You find the median by looking at the middle number. You find the mode by looking at the most used number. You find the range by subtracting the highest and lowest numbers.

Step-by-step explanation:

say you have these numbers ( 8, 7, 17, 12, 0, 9, 11, 5, 8)

Mean:

8 + 7 + 12 + 17 + 0 + 9 + 11 + 5 + 8 = 77

77 ÷ 9 = 8.5

Median: 0

Mode: 8

Range: 17 - 0 = 17

Answer:

median is the middle number

but if the are two numbers in middle u add those two n divide by 2

range is the biggest number subtract lowest number

mean is total average divide by the number of data

mode is the number that appears many times

What is the measure of angle C? A. 92° B. 105° C. 120° D. 130°

Answers

Answer:

D 130 degrees

Step-by-step explanation:

got it right on the test

Answer:

130

Step-by-step explanation:

Plz help meeee

y varies directly with x. If y = 15 when x = -18, find y when x = 1.6.

Answers

Answer:

-1.2

Step-by-step explanation:

I took the same direct variation test and got this one right

hope this helps!

Evaluate the expression

Answers

22 I think I’m so sorryrrrr

Answer:

9+6(2)2+4

15(4)+4

60+4

64

What’s the length of the hypotenuse in inches?

Answers

Answer:

The hypotenuse is 25 inches.

Step-by-step explanation:

This is a right triangle, so the Pythagorean Theorem applies.

I will assume you know about the Pythagorean Theorem, therefore I will not define it.

Here, I am solving for the hypotenuse.

[tex]a^2+b^2=c^2[/tex]

[tex]24^2+7^2=c^2[/tex]

[tex]576+49=c^2[/tex]

[tex]625 = c^2[/tex]

[tex]25=c[/tex]

Answer:

25

Step-by-step explanation:

To find the hypotenuse, you need to use a^2+b^2=c^2

Plugging the numbers in, the equation is

24^2+7^2=c^2

From here, you can just solve the equation, simplifying it equals

576+49=c^2

Add the two values

625=c^2

from here, you would square both sides to get c standing alone. This results in the equation finishing with the answer:

25=c

or flipping it around to make sence

c=25

Hope this helps! Have a good rest of your day!!!

Joanne and Roger are planting a rectangular garden. The garden is 7 ft by 13 ft. They want to use half of the garden for
tomatoes and half of the garden for cucumbers. They decide to separate the garden into two right triangles as shown. What is
the area of the cucumber part of the garden?

Answers

Answer:

45.5 ft^2

Step-by-step explanation:

The area of the garden is (7 ft) by (13 ft), which works out to 91 ft^2.

The half garden used for cucumbers is (91 ft^2)/2, or 45.5 ft^2.

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