The radius of a circle is 4 cm. Find its area in terms of Pi?

Answers

Answer 1

Answer:

50.27 cm

Step-by-step explanation:

4 to the second power=16

16×3.14=50.27


Related Questions

The graph shows a line and two similar triangles.

What is the equation of the line?

A. Y=3/2x
B. Y=2/3x
C. Y=3x
D. Y=2x​

Answers

Answer:

a y=3/2× Pls help me do me one

a

Michael's lawn mower had 3/8 of a gallon of gasoline in the tank. He started mowing and used all of the gasoline. He put 4/10 of a gallon of gasoline in the tank. After he mowed, 2/4 of a gallon was left in the tank. ​What was the total amount of gasoline Michael used?

Answers

Answer:

11/40 of a gallon

Step-by-step explanation:

The amount of gasoline in the tank of lawn mower = 3/8 of a gallon

Then he put the amount of gasoline in the tank = 4/10 of a gallon

The total amount of gasoline filled in the tank = 3/8 + 4/10

= 3/8 + 2/5

= 15+16/40

= 31/40

The total amount of gasoline filled in the tank = 31/40

The amount of gasoline left in the tank after mowing = 2/4

Total amount of gasoline Michael used = 31/40 - 2/4

= 31-20/40

= 11/40 of a gallon

Alternatively, you can follow this method:

Total amount of gasoline Michael used = 3/8 + (4/10 - 2/4)

= 3/8 + (2/5 - 2/4)

= 3/8 + ( 8-10/20)

= 3/8 + (-2/20)

= 3/8 + (-1/10)

= 3/8 - 1/10

= 30-8/80

= 22/80

= 11/40 of a gallon

Total amount of gasoline Michael used = 11/40 of a gallon

This is the full question if you can please solve this it’s really important.
A machine cuts three circles of the same size from a rectangular sheet of
metal as shown.

Answers

Answer:

[tex]\huge\boxed{\sf 11.74\ in.\²}[/tex]

Step-by-step explanation:

Area of Rectangle:

Length = 11.8 in.

Width = 3.6 in.

Area = Length * Width

Area = 11.8 * 3.6

Area = 42.48 in.²

Area of 3 circles:

Diameter = 3.6 in.

Radius = D/2 = 3.6/2 = 1.8 in.

[tex]\sf Area = \pi r^2\\\\Area = (3.14)(1.8)^2\\\\Area = (3.14)(3.24)\\\\Area = 10.18\ in.^2[/tex]

Area of 3 circles = 3(10.18) = 30.5 in.²

Area of the figure when the 3 circles are cut:

= Area of the rectangle - Area of 3 circles

= 42.28 - 30.5

= 11.74 in.²

[tex]\rule[225]{225}{2}[/tex]

Hope this helped!

~AH1807

5Please help!! Geometry, will mark brainliest!

Answers

Answer :
Rectangles do not have perpendicular bisectors which means they are not right triangles. So this cannot be a way to prove them congruent. Hope this helps.

You make $52,000 a year. Your state income tax rate is 2.5%. The state income tax allowance is $1500 per person and you have three allowances. They are yourself, your spouse and one child. How much income tax do you owe?​

Answers

Answer:

1,187.50

Step-by-step explanation:

Answer:

Step-by-step expiation

we know that their is an income tax rate of 2.5%, Since their is more than one person within the household, we will multiple the tax rate by 3

2.5% = 0.025

0.025 x 3 = 0.075

Then we will multiple the tax rate by our principal,

52,000 x 0.075 = 3,900

52,000 - 3,900 = 48,100

This will then give us our answer of $3,900 for the income tax rate that is owed, and as well as their new total income.

What is 5/8-1/8 in the simplest form

Answers

1/2 I think cause 4/8 is half


Answer:

1/2

Step-by-step explanation:

Which of the following expresses 2.444 as a fraction in simplest form?

A. 2 1/4
B. 2 2/5
C. 2 11/25
D. 2 4/9

Answers

Answer: C. 2 11/25

Step-by-step explanation:

Work out the reciprocal of 0.125

Answers

Answer:

The right answer is 8 hope I helped

HALP me pzlzzzzzzzzzzzzzz

Answers

Answer:

1 month

Step-by-step explanation:

mark me brainlyest????

The probability distribution for a random variable x is given in the table Find the probability that X<=20

Answers

probability for X<=20 is 1

what is probability?

the probability is the department of mathematics concerning numerical descriptions of how likely an event is to occur, or how likely it is that a proposition is true. The chance of an event is a number between 0 and 1, in which, roughly speaking, zero indicates the impossibility of the event and 1 shows certainty.

probability = the number of ways of attaining success. the total number of possible results. For instance, the chance of flipping a coin and its being heads is ½, due to the fact there may be 1 way of getting a head and the total number of possible outcomes is two (a head or tail).

Learn more about probability here

https://brainly.com/question/24756209

#SPJ2

4/7 is multiplied by a fraction less than one. Complete the explanation to show how the product compares to the factors.

Answers

Answer:

That is true!

Step-by-step explanation:

4400 dollars is placed in an account with an annual interest rate of 7%. To the nearest year, how long will it take for the account value to reach 10100 dollars?

Answers

Answer:

19 years approx

Step-by-step explanation:

Given data

Principal P= $4400

Rate r=7%

Final amount A=$10100

Time t= ???

Let us apply the simple interest expression

A=P(1+rt)

substitute

10100=4400(1+0.07*t)

open bracket

10100=4400+308t

10100-4400=308t

5700=308t

t= 5700/308

t= 18.50

Hence the time is 19 years approx

You want to buy a new phone that costs $1250. Your cell phone plan allows for 15% off the price of any new phone. How much will you pay?

Answers

Answer:

$1187.5

Step-by-step explanation:

Cost of cellphone =$1250

15 percent of 1250 is =62.5

so,

1250-62.5=1187.5

Hair is a trapezium drawn on a centimetre grid not trying to scale work out the area of the trapezium state in the units of your answer. 2 marks

Answers

Answer:

[tex]Area = 18[/tex]

Step-by-step explanation:

Given;

[tex]a = 2\\ h = 4\\ b=7[/tex]

See attachment for trapezium

Required

The area

From the attachment, the formula is:

[tex]Area = \frac{1}{2} * (a + b) * h[/tex]

[tex]Area = \frac{1}{2} * (2 + 7) * 4[/tex]

[tex]Area = \frac{1}{2} * 9 * 4[/tex]

[tex]Area = 18[/tex]

whats 2 other ways to write this equation:
40 = 19+7x

Answers

Answer:

1: 7x+19=40

2: 19+7x=40

Step-by-step explanation:

consider the system of equations
y = 2/3 x + 1
y = x
what is the solution to the system?
A. (0,0)
B. (0,1)
C. (1,1)
D (3,3)

Answers

Answer:

Use your resources wisely

Step-by-step explanation:

Answer:

[tex] \frac{2}{3} x + 1 = x \\ \frac{1}{3} x = 1 \\ x = 3 \\ y = 3[/tex]

X=3,y=3

A college professor's compensation package includes
$350-per-month health insurance plan, the total cost a $45-per-month life
insurance plan, and a salary of $65,000 per year. What is the yearly value of
the compensation package?
A. $69,740
B. $64,605
C. $65,395
D. $60,260

Answers

its c because you have to add all those numbers and it equals c

Find the value of x. Write your answer in simplest form.

Answers

Answer is: 10
See the workup in photo below.

What is the equation for nth term of the geometric sequence-2,8,-32,...?

Answers

Answer:

The last one

Step-by-step explanation:

each following number in the sequence is multiplied by -4, and the first number is -2!

PLZ SOMEONE HELP RIGHT AWAY!

10x+2(8x+10)

Answers

2(13x+10) is the answer

Answer:

26x+20

Step-by-step explanation:

a.Write a polynomial to find the volume of the
rectangular prism.
b.Find the volume if x =12 feet.

Answers

Answer:

hmmm 38

Step-by-step explanation:

?

A cylinder has a radius of 5 inches and height of 20 inches.which is the surface area of the cylinder?
1. 1187 square inches
2. 517 square inches
3. 3077 square inches
4. 785 square inches

Answers

Answer:

4

Step-by-step explanation:

use the formula to get the answer but i got 785.71.

if the force of an object is 100N and the mass is 25Kg, what is the acceleration?

Answers

Answer:

4ms-²

Step-by-step explanation:

Applied Force=100N

Mass of the object=25Kg

Let the acceleration be 'a'.

Force=Mass*Acceleration

100=25*a

100/25=a

4=a

Can someone plzzzz help meeee!!!!!

Answers

Answer:

1. Interpret (L): To explain or to give meaning to.

2. Variable: (F) Something that can change or influence the results of an experiment.

3. Observe (I): To notice what occurs during an experiment.

4. Questions (B): The inquiry or problem relating to a topic that can be answered by conducting an experiment.

5. Scientific Method (A): A method of doing research that includes the steps of identifying a problem, gathering data, forming a hypothesis, testing a hypothesis, and drawing a conclusion.

6. Ethical (E): Following the rules of being being fair and honest.

7. Hypothesis (G): An educated guess or reasonable assumption.

8. Research (D): To conduct an investigation into current information about something.

9. Experiment (C): A test or trial performed in order  to discover something.

10.  Conclusion (K): The result or outcome of something.

11. Procedure (H): A sequence of steps involved in performing an experiment.

If this helps, please consider giving a thanks, a good rating, and Brainliest! Thanks!

Of the males surveyed, what proportion selected small T-Shirt size

Answers

Answer:

this question doesn't make sense

What is the average rate of change between x = 10 and x = 30

Answers

Answer:

everyone always asks "where's the toilet?" but no one ever asks "how's the toilet?" :'(

Step-by-step explanation:

WILL MARK BRAINLIEST IF GOTTEN RIGHT!!!!

Answers

Answer:

C both line and point symmetry

Step-by-step explanation:

is -x^2y^2 + 9x^4y^2 + 5x^2y^3 a monomial binomial or trinomial​

Answers

Answer:

Trinomial

Step-by-step explanation:

when you add like terms you still have 3 sets of different symbols 3= trinomial.

Carlos left the mall at the same time as
Gabriella. They traveled in opposite
directions. Gabriella traveled at a speed
of 50 mph. After two hours they were 180
mi. apart. How fast did Carlos travel?

Answers

Answer:

40 mph

Step-by-step explanation:

After the 2 hours Gab travelled 100 miles (50*2), subtract this from 180 to find how many miles Carlos travelled. Divide this number by 2 to figure out the mph

Find the smallest value of m such that the LCM of m and 34 is 374.

Answers

Answer:

11

first you use a number tree

34 374

/\ /\

2 17 2 187

/\

11 17

express the numbers in prime factors

374=2×11×17

34 =2×17

in finding LCM you use the highest prime factors in this case the highest prime factors are 2, 11 and 17

So m factors are 2 and 11

which means m is 2×11=22

22 in its smallest form is 11

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