The diameter of a circle is 10 cm. Find its area in terms of π. (pi)

btw pi = 3.14

The Diameter Of A Circle Is 10 Cm. Find Its Area In Terms Of . (pi) Btw Pi = 3.14

Answers

Answer 1

Answer:

The diameter of the circle = 10 cm

The radius of the circle= 10/2= 5 cm

Area of the circle = pi r^2

= pi 5^2

=3.14 *25

= 78.5 cm ^2


Related Questions

z+ 12w when z=8 and w=4

Answers

Answer:

56

Step-by-step explanation:

z + 12w when z = 8 and w = 4

~Substitute

8 + 12(4)

~Simplify

8 + 48

~Add

56

Best of Luck!

We are provided with the value of z and w:

z = 8w = 4

We have to find the value of z + 12w.....?

Since we have to find the value of the polynomials for the given values of variables. Plug the given values of z and w in the above question:

➝ z + 12w

➝ 8 + 12(4)

➝ 8 + 48

➝ 56

So, the required value of the polynomial is 56.

Carry on Learning [tex]![/tex]

Convert 420 from degrees to radians.

Answers

Steven Scarecrow is looking to go on a Haunted Hayride but wants to leave the kids at home with a
babysitter. He found that Casper charges $23 plus $2 per hour and Balthazar charges $15 plus $4
per hour. Write and solve an equation to determine the number of hours that Steven Scarecrow could
hire either babysitter for the same cost. *
Please help!!!

For ur question
7.33038

Answer:

7π over 3

Step-by-step explanation:

Convert from degrees to radians using the ratio π over 180.

The nile river is 6690 kilometers long.This is 394 kilometers longer than the Amazon River.How long is the Amazon River?

Answers

Answer:

The nile river is 6690 kilometers long.This is 394 kilometers longer than the Amazon River.How long is the Amazon River?

6690-394=6296 kilometers

Step-by-step explanation:

Answer:

The Amazon river is 6296 kilometers long.

The data on the right relate to characteristics of​ high-definition televisions A through E. Identify the​ individuals, variables, and data corresponding to the variables. Determine whether each variable is​ qualitative, continuous, or discrete. Setup Size​ (in) Screen Type Number of Channels Available A 50 Projection 298 B 51 Projection 117 C 58 Plasma 423 D 43 Projection 269 E 44 Plasma 289 What are the individuals being​ studied?

Answers

Answer:

Size - continuous

Screen type - Qualitative

Number of channels - discrete

Step-by-step explanation:

____size ____screen type ____no of channels

_A __50 ____ projection ________298

_B __ 51 ____ projection ________ 117

_C __ 58 ____ Plasma __________423

_ D __43 ____ projection ________269

_ E __ 44 ____ Plasma __________ 289

The individual being studied are the characteristics of high definition televisions

Size of television is a continuous variable as the inches of televisions aren't finite and may not necessarily be whole numbers.

Screen type is a Qualitative variable also called categorical as it places different Television sets into distinct category based on the nature of the screen material.

Number of channela is discrete as it defines a finite number stations available. Available stations will always be whole numbers without decimals.

Write an expression to represent the sum of three times the square of a number and .

In your expression, what is the value of the constant?

Answers

Answer:

3x^2-7

-7 is the constant

3 is the coefficient

x is the variable

Step-by-step explanation:

(3x^2)+(-7)

If we make a copy of a rectangle with side lengths 2 units and 4 units using a scale factor of 3, the side lengths of the copy will be 6 units and 12 units, because 2⋅3=6 and 4⋅3=12.

Answers

Answer:

I dont see the question but If you are asking if your statement is correct, my answer is yes.

Specialty t-shirts are being sold online for $15 each,
plus a one-time handling fee of $2.25. The total cost
is a function of the number of t-shirts bought. What
function rule models the cost of the shirts S(t)?
What is the cost of 10 shirts?

Answers

Step-by-step explanation:

sorry i don't have this question

what is 7,200 increased by 22%

Answers

22% of 7,200 is 1,584
It is 8,784

if the angle HMA is a right angle, the measure of angle SMH = 66 degrees, and angle SMH is complementary to angle HME, find the measure of angle SMA

Answers

Answer:

SMA= 24 degrees

Step-by-step explanation:

add the other given angles together: 66 + 90= 156

subtract 158 from 180 (every triangle has a total of 180 degrees): 180-156 = 24

What is the equation of the line that goes through the points 2,9 and 3,1

Answers

The equation of the line that goes through the given points is y = -8x + 25.

Given the following points:

Points on the x-axis = (2, 3)Points on the y-axis = (9, 1)

To determine the equation of the line that goes through the given points:

First of all, we would determine the slope of this line by using the following formula;

[tex]Slope. \;m = \frac{Change \; in \; y \;axis}{Change \; in \; x \;axis} \\\\Slope. \;m = \frac{y_2 - y_1}{x_2 - x_1}[/tex]

Substituting the points into the formula, we have;

[tex]Slope, \;m = \frac{1 - 9}{3 - 2}\\\\Slope, \;m = \frac{-8}{1}\\\\[/tex]

Slope, m = -8

Now, we can determine the equation of the line by using this formula:

[tex]y-y_1 =m(x-x_1)\\\\y-9=-8(x-2)\\\\y-9=-8x+16\\\\y=-8x+16+9[/tex]

y = -8x + 25

Read more on slope here: https://brainly.com/question/3493733

The point Q (5,3) is translated 2 units left. What are the coordinates of the resulting point Q

Answers

Answer:

(3,3)

Step-by-step explanation:

Since it's to the left, and not up or down at all, the y-value does not change. The x-value, however, is affected. Since it's to the left, it is decreasing in value by 2 points. If it were to the right, it would increase in value to (7,3), since it'd be going further away from (0,0).

Answer:

Q  = (3,3)

Step-by-step explanation:

Moving the point left moves the x value down 2.

5-2=3

Therefore, Q = (3,3)

Lin read 44 pages in 132 minutes. Diego read 35 pages in 140 minutes. Who was reading at a faster rate, Lin or deigo?

Answers

Answer:

lin

Step-by-step explanation:

What is 2d+3d+d.
please answer

Answers

Answer:

6d

Step-by-step explanation:

given sin a= -2/5 and cos b=1/3 with a and b both in the interval (3pi/2 , 2pi), find sin(a+b)

Answers

Answer: -2-2 radical42 over 15

Step-by-step explanation

send help please lol i need help

Answers

Answer:

The answer is B

Step-by-step explanation:

The equation equals 2970 and the answer B also equals 2970.

зх
It’s a square root

Answers

Answer:

what?

Step-by-step explanation:

The hu family goes out for lunch, and the price of the meal is $57. The sales tax on the meal is 7%, and the family also leaves a 15% tip on the pre-tax amount. What is the total cost of the meal?

The total cost of the meal is $

Answers

Answer:

$69.54

Step-by-step explanation:

$57 x  .07 =3.99

($57 x .15)= 8.55

8.55+3.99 +57=$69.54

solve x/-5=-15 and i will give brainliest if right answers are
a. -45
b. 5
c. -5
d. 45

Answers

Answer:

if x divided by negative 5 equals negative 15, you multiply both sides by negative 5, leaving x = 75, which should be your answer

Step-by-step explanation:

2.7·6.2–9.3·1.2+6.2·9.3–1.2·2.7 not pemdas

Answers

60

See steps

Step by Step Solution:

More Icon

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "2.7" was replaced by "(27/10)". 8 more similar replacement(s)

STEP

1

:

           27

Simplify   ——

           10

Equation at the end of step

1

:

    27 62   93 12    62 93    12 27

 (((——•——)-(——•——))+(——•——))-(——•——)

    10 10   10 10    10 10    10 10

STEP

2

:

           6

Simplify   —

           5

Equation at the end of step

2

:

    27 62   93 12    62 93    6 27

 (((——•——)-(——•——))+(——•——))-(—•——)

    10 10   10 10    10 10    5 10

STEP

3

:

           93

Simplify   ——

           10

Equation at the end of step

3

:

    27 62   93 12    62 93   81

 (((——•——)-(——•——))+(——•——))-——

    10 10   10 10    10 10   25

STEP

4

:

           31

Simplify   ——

           5

Equation at the end of step

4

:

    27 62   93 12    31 93   81

 (((——•——)-(——•——))+(——•——))-——

    10 10   10 10    5  10   25

STEP

5

:

           6

Simplify   —

           5

Equation at the end of step

5

:

    27 62   93 6   2883  81

 (((——•——)-(——•—))+————)-——

    10 10   10 5    50   25

STEP

6

:

           93

Simplify   ——

           10

Equation at the end of step

6

:

    27 62   93 6   2883  81

 (((——•——)-(——•—))+————)-——

    10 10   10 5    50   25

STEP

7

:

           31

Simplify   ——

           5

Equation at the end of step

7

:

    27   31     279     2883     81

 (((—— • ——) -  ———) +  ————) -  ——

    10   5      25       50      25

STEP

8

:

           27

Simplify   ——

           10

Equation at the end of step

8

:

    27   31     279     2883     81

 (((—— • ——) -  ———) +  ————) -  ——

    10   5      25       50      25

STEP

9

:

Calculating the Least Common Multiple

9.1    Find the Least Common Multiple

     The left denominator is :       50

     The right denominator is :       25

       Number of times each prime factor

       appears in the factorization of:

Prime

Factor   Left

Denominator   Right

Denominator   L.C.M = Max

{Left,Right}

2 1 0 1

5 2 2 2

Product of all

Prime Factors  50 25 50

     Least Common Multiple:

     50

Calculating Multipliers :

9.2    Calculate multipliers for the two fractions

   Denote the Least Common Multiple by  L.C.M

   Denote the Left Multiplier by  Left_M

   Denote the Right Multiplier by  Right_M

   Denote the Left Deniminator by  L_Deno

   Denote the Right Multiplier by  R_Deno

  Left_M = L.C.M / L_Deno = 1

  Right_M = L.C.M / R_Deno = 2

Making Equivalent Fractions :

9.3      Rewrite the two fractions into equivalent fractions

Two fractions are called equivalent if they have the same numeric value.

For example :  1/2   and  2/4  are equivalent,  y/(y+1)2   and  (y2+y)/(y+1)3  are equivalent as well.

To calculate equivalent fraction , multiply the Numerator of each fraction, by its respective Multiplier.

  L. Mult. • L. Num.      837

  ——————————————————  =   ———

        L.C.M             50

  R. Mult. • R. Num.      279 • 2

  ——————————————————  =   ———————

        L.C.M               50  

Adding fractions that have a common denominator :

9.4       Adding up the two equivalent fractions

Add the two equivalent fractions which now have a common denominator

Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

837 - (279 • 2)     279

———————————————  =  ———

      50            50

Equation at the end of step

9

:

  279    2883     81

 (——— +  ————) -  ——

  50      50      25

STEP

10

:

Adding fractions which have a common denominator

10.1       Adding fractions which have a common denominator

Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

279 + 2883     1581

——————————  =  ————

    50          25

Equation at the end of step

10

:

 1581    81

 ———— -  ——

 25     25

STEP

11

:

Adding fractions which have a common denominator

11.1       Adding fractions which have a common denominator

Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

1581 - (81)     60

———————————  =  ——

    25          1

Final result :

 60

Write an equation for the description.
Ten times the sum of half a number x and 4 is 7.
Plzzzz hellpppppp mark you as brain leist

Answers

10 • x/2 + 4 = 7 is the equation

The following angle measures could form a triangle
(a)
31º , 84º , 75°
A True
B) False

(b) Explain why the angel measures form a triangle or do not form a triangle?

Answers

Answer:

They don't form a triangle because all triangles degrees have to add up to 180 if you add them all up its 190 so no they don't form a triangle.

Step-by-step explanation:

84+75+31=190

Your phone plan charges you an initial fee, and then a certain amount depending on the amount of data you use. They send you periodic updates of your usage and your current bill cost. After using 3 GB of data, you owe $30. After 5 GB of data, you owe $40. What is the cost per GB of data?

Answers

Answer:

$5

Step-by-step explanation:

Let

x = initial fee

y = fees depending on the amount of data he use

After using 3 GB of data , he owes $30.

After using 5 GB of data , he owes $40.

The equations are

x + 3y = 30 (1)

x + 5y = 40 (2)

Subtract (1) from (2) to eliminate x

5y - 3y = 40 - 30

2y = 10

Divide both sides by 2

y = 10/2

y = $5

Substitute y = 5 into (1)

x + 3y = 30

x + 3(5) = 30

x + 15 = 30

x = 30 - 15

x = $15

Cost per GB of data = $5

put these syllables from open order and closed and this is lanught arts

Answers

Answer:

¿No entiendo?

Step-by-step explanation:

Solve using algebra:

5x-15+90+2x=?

Answers

Answer:

5x-15+90+2x=7x+75

Step-by-step explanation:

you just want to add together the like terms which gives you 7x+75 like terms are just numbers that are similar such as 5x and 2x, or -15 and 90.

Factor the expression.
81x^2 + 36x + 4

Answers

Answer:

(9x+2)^2

Step-by-step explanation:

PLEASE HELP IF YOU CAN

Answers

SAS congruency is the answer
Second option is correct

Answer:

b or the second option

Step-by-step explanation:

it is congruent because two sides are the same.

hope this helps! have a good day and stay safe!

id like brainliest but if not its fine! <3

Multiply. ​4 1/3x3/5​ Express your answer in simplest form.

Answers

Answer:

2 3/5

Step-by-step explanation:

convert mixed number into improper fraction

(whole number × denominator + numerator over denominator)

4 × 3 + 1

12 + 1

13/3

13/3 × 3/5

multiply numerators

39

multiply denominators

15

39/15

3 can be divided into both number 39 and number 15 so:

13/5

this is simplest form as an improper fraction

if the teacher wants simplest form as a whole number, the answer is:

2 3/5

Answer:

4 1/3 X 3/5 = 2 3/5

Step-by-step explanation:

First I got 13/5 then I had to convert to 2 3/5.

Hope this helps!

The total number of calories consumed by Ethan when eating French fries varies directly with the number of French fries that Ethan eats. Ethan eats 16 French fries and consumes 224 calories. How many French fries does Ethan eat if he consumes 406 calories?

Answers

Answer:

29 French fries

Step-by-step explanation:

Total number of calories consumed by Ethan when eating French fries varies directly as the number of French fries that Ethan eats

The first step is to calculate the constant k

No of calories= k × no of French fries

k = No of calories/No of French fries

k = 224/16

k = 14

Therefore the number of French fries eaten by Ethan if he consumes 406 calories can be calculated as follows

No of French fries= No of calories/k

= 406/14

= 29

Hence Ethan eats 29 French fries if he consumes 406 calories

How do you know if a girl like you and what is x+10 divided by 6 = 1

Answers

Answer:

x = -2/3

Step-by-step explanation:

x + 10 ÷ 6 = 1

Divide

x + 1 2/3 = 1

Subtract 1 2/3

x = -2/3

Also, as a girl, we do give some signs to people that we like, we start conversations with the person, we make eye contact and then look away (at least that what I do lol), flirts with you, agrees with you, wants to spend time with you, etc.

Can someone answer this question please?

Answers

-4 3/8 is the answer

Answer:

-5.62

Step-by-step explanation:

I made them all into Improper Fractions, then I made them into decimals, then I added them.

Other Questions
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