Work out the area of this circle. Take pi to be 3.142 and give your answer to 1 decimal place

Answers

Answer 1

Step-by-step explanation:

I think you have forgotten to attach the question.

Anyways....

In order to find the area of a circle use the formula:

π[tex]r^{2}[/tex]   Where r is the radius

For example the radius is 3cm. The area of the circle will be:

π × [tex]3^{2}[/tex]

Since you have taken pi as 3.142...

3.142 × [tex]3^{2}[/tex]

3.142  × 9

= 28.278

In order to find the answer to 1 decimal place, check the number next to the number right after the decimal. Is it a number greater than or equal to 5? then add +1 to the number.

= 28.3 [tex]cm^{2}[/tex]


Related Questions

I need help ASAP!!!!!!

Answers

Answer:

1. YES  2. NO

Step-by-step explanation:

1. Since x=0.121212... and the question is asking for 100x, we need to multiply each side by 100. 0.121212... multiplied by 100 is 12.1212... So YES, 100x is still a repeating decimal.

2. 12.121212... minus 0.121212... would just be 12. This is because if we know that all the numbers behind the decimal point is 0.121212 and so on, 12.121212... minus 0.121212... the numbers behind the decimal would cancel out. So we are left with 12. So NO, the answer for 99x is NOT a repeating decimal.

What does the remainder tell you about the
relationship between the dividend and the divisor when dividing polynomials?

Answers

Answer:

The remainder is the number left when you completely divide out your number to its max (Dividend = Divisor × Quotient + Remainder)

Step-by-step explanation:

I hope this helped

Does the line passing through the points (3, 3) and (7, 11) intersect the line passing through the points (5, 8) and (13, 24)?

Answers

No

Because they are parralel

Can somebody help me. Will Mark brainliest.

Answers

I think the answer is 43.2 degrees

HELLLLPP I NEED HELP

Answers

Answer:

5x^2-5

Step-by-step explanation:

Answer:

it it 5x^2-5

Step-by-step explanation:

Hiiioo! Can someone please help me with this math question ❤️

Answers

Answer:

your answers will be

<E=25

M<F=65

M<G=90

Step-by-step explanation:

i hope it helps

have a nice day!!

Need help ASAP because it’s hard lol

Answers

Answer: y = x + 2

Step-by-step explanation: We can see the y-intercept is 2 on the graph, and the slope is 1

Answer:

y=x+2

Step-by-step explanation:

I need help right now, because this is due tomorrow!!!​

Answers

Answer:

1.

mean 13.8 / median 14.5

2.

25.86 / 25

3.

14.43 / 15

4.  

4.875 / 4.5

5.

5.78 / 6

6.

34.11 / 34

7.

28.29 / 28

8.

14.43 / 14

Please Giiive Brillianst!!!!!!!!!!!

Simplify (6x^3-x + 5)(3x^3+ 5)
With work shown?

Answers

Answer:

[tex]18x^{6}-3x^{4}+45x^{3}-5x+25[/tex]

Step-by-step explanation:

[tex](6x^{3} -x+5)(3x^{3}+5)\\\\(6x^{3})(3x^{3})+(6x^{3})(5)+(-x)(3x^{3})+(-x)(5)+(5)(3x^{3})+(5)(5)\\\\18x^{6}+30x^{3}+(-3x^{4})+(-5x)+15x^{3}+25\\\\18x^{6}-3x^{4}+45x^{3}-5x+25[/tex]

Do you like forgs???

Answers

Answer:

there ok

Step-by-step explanation:

What type of function is this:

a1 = 2

an = an-1+4

Arithmetic and Explicit
Arithmetic and Recursive
Geometric and Explicit
Geometric and Recursive

Answers

Answer:

Gravity, also called gravitation, in mechanics, the universal force of attraction acting between all matter. ... On Earth all bodies have a weight, or downward force of gravity, proportional to their mass, which Earth's mass exerts on them. Gravity is measured by the acceleration that it gives to freely falling objects.

[tex] \\ [/tex]

Which fraction is equivalent to
-3/2?

Answers

Answer:

-1 1/2 if you need a mixed number then choose -1 1/2

Answer: There are many possible fractions, here is all of them.

-3/2 = -6/4 = -9/6 = -12/8

= -15/10 = -18/12 = -21/14 = -24/16

= -27/18 = -30/20 = -33/22 = -36/24

= -39/26 = -42/28 = -45/30 = -48/32

= -51/34 = -54/36 = -57/38 = -60/40

= -63/42 = -66/44 = -69/46 = -72/48

= -75/50 = -78/52 = -81/54 = -84/56

= -87/58 = -90/60 = -93/62 = -96/64

= -99/66 = -102/68 = -105/70 = -108/72

= -111/74 = -114/76 = -117/78 = -120/80

= -123/82 = -126/84 = -129/86 = -132/88

= -135/90 = -138/92 = -141/94 = -144/96

= -147/98 = -150/100 = -153/102 = -156/104

= -159/106 = -162/108 = -165/110 = -168/112

= -171/114 = -174/116 = -177/118 = -180/120

= -183/122 = -186/124 = -189/126 = -192/128

= -195/130 = -198/132 = -201/134 = -204/136

= -207/138 = -210/140 = -213/142 = -216/144

= -219/146 = -222/148 = -225/150 = -228/152

= -231/154 = -234/156 = -237/158 = -240/160

= -243/162 = -246/164 = -249/166 = -252/168

= -255/170 = -258/172 = -261/174 = -264/176

= -267/178 = -270/180 = -273/182 = -276/184

= -279/186 = -282/188 = -285/190 = -288/192

= -291/194 = -294/196 = -297/198 = -300/200

Step-by-step explanation:

If you have any questions feel free to ask

please could u help me with this?​

Answers

43.68. You multiply the base by the height

Solve the following system

y=1.6x
2x + 2y = 86

Answers

Answer:

The answer is (16.538461(repeated), 26.461538(repeated))

Answer:

x=16.538462 and y=26.461538

a can do.a piece of work in 6 days and B in 8 days each working 7hours a day In what time will they finish it together, working 8hrs a day

Answers

A can complete the work in 7*6 hrs = 42 hrs. A can complete in 1 hr = 1/42 part. B can complete the work in 7*8 hr = 56 hrs. A&B together do in 1 hr = 1/42 + 1/56 = 7/168 = 1/24 part. So they will do in 8 hrs = 8*1/24 = 1/3 part. Hence they need 1÷1/3 = 3 days to complete the work.

HELP ASAP PLEASE I WILL GIVE BRAINLIEST TO FIRST CORRECT ANSWER!

Find the values of x and y.

Answers

Answer:=5x+4y−78

not too sure of it

Step-by-step explanation:

Distribute:

=(3)(x)+(3)(−18)+2x+(4)(y)+(4)(−6)

=3x+−54+2x+4y+−24

Combine Like Terms:

=3x+−54+2x+4y+−24

Answer:

x = 6°

y = 2°

I hope it helps....

In UVW, the measure of W=90°, VW = 29 feet, and UV = 69 feet. Find the
measure of ZU to the nearest degree.

Answers

Answer: 25°

Step-by-step explanation: deltamath

If Damon goes from his office on the 10th floor to a meeting
on the 5th floor, how many floors does he travel and in
which direction?

Answers

Answer:

5 and down

Step-by-step explanation:

15h - 4 = 6
Two step problem

Answers

Answer:

h = 10/15

Step-by-step explanation:

Isolate the variable, h. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS.

PEMDAS is the order of operation, and stands for:

Parenthesis

Exponents (& Roots)

Multiplication

Division

Addition

Subtraction

First, add 4 to both sides of the equation:

15h - 4 (+4) = 6 (+4)

15h = 6 + 4

15h = 10

Next, divide 15 from both sides of the equation:

(15h)/15 = (10)/15

h = 10/15 or 0.667 (rounded)

Please help me with these 2 questions. 50 points

Answers

Answer:

if you are looking for the area this are the answers

Step-by-step explanation:

4: [tex]125yd^{2}[/tex]

how: .5 x 25 x 10 = 125

/////////////////////////////////////

5: [tex]104m^{2}[/tex]

how: .5 x 16 x 13 = 104

remember to put the ".5" when you are multiplying

I hope this help you

have a good night :)

loook below giving brainliest

Answers

To find the Surface area of a prism, we need to calculate the sum of the area of each of the shapes that make up the net of the object.

(11 x 15 x 2) + (5 x 15 x 2) + (5 x 11 x 2)

= 590ft ^2

Hope this helps!!

Select 3 side lengths that can form a right triangle.

Answers

Answer:

16 inches, 63 inches, and 65 inches

Step-by-step explanation:

Edit: I had to change cause it was wrong

Answer:

16 inches, 63 inches, and 65 inches

Step-by-step explanation:

16 squared = 256

63 squared = 3969

16 squared + 63 squared = 4225

65 squared = 4225

A^2 +B^2 = C^2

2 (3x - 5) + 4 = -18


Solve for 20 Points

Answers

Answer:

x = -2

Step-by-step explanation:

2(3x - 5) + 4 = -18

Distribute the 2

6x - 10 + 4 = -18

6x - 6 = -18

Add 6 to both sides

6x = -12

Divide both sides by 6

x = -2

Check:

2(3x - 5) + 4 = -18

substitute x = -2 into the original equation

2(3(-2) - 5) + 4 = -18

2(-6 - 5) + 4 = -18

2(-11) + 4 = -18

-22 + 4 = -18

-18 = -18

So x = -2 is true.

Answer:

x=-2

Step-by-step explanation:

2(3x-5)+4=-18

We move all terms to the left:

2(3x-5)+4-(-18)=0

We add all the numbers together, and all the variables

2(3x-5)+22=0

We multiply parentheses

6x-10+22=0

We add all the numbers together, and all the variables

6x+12=0

We move all terms containing x to the left, all other terms to the right

6x=-12

x=-12/6

x=-2


38
4(x + 7) = 38
x +7
x+7
x +7
x +7

Answers

didnt u already get the answer i’m very confused rn

Answer:

x = 2.5

Step-by-step explanation:

4(x + 7) = 38

4x+28 = 38

4x = 10

x = 2.5

Will mark brainliest

Answers

Answer:

b

b

b

b

b

b

b

b

b

b

b

b

b

b

b

b

b

b

b

b

b

what is 4.2 less than 7.6

Answers

Answer: 3.4

Step-by-step explanation: 6-2 is 4 and 7-4=3 therefore it’s 3.4

The solution is 3.4

The value of the equation 4.2 less than 7.6 is 3.4

What is an Equation?

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given data ,

Let the equation be represented as A

Now , the value of A is expressed as

A = 4.2 less than 7.6

Substituting the values in the equation , we get

A = 7.6 - 4.2   be equation (1)

On simplifying the equation , we get

The value of A = 7.6 - 4.2

The value of A = 3.4

Therefore , the value of A is 3.4

Hence , The value of the equation 4.2 less than 7.6 is 3.4

To learn more about equations click :

https://brainly.com/question/19297665

#SPJ2

Someone help and please make sure it’s right :)

Answers

Answer:

8

Step-by-step explanation:

120/15=8. :)

Answer:

8

Step-by-step explanation:

15x = 120° (exterior Alternate angles)

x = 120/8

x = 8

ACTUALLY GIVE ME A REAL ANSWER HERE PEOPLE!

Answers

Answer:

a=0.5 in

b=1.14 in

c=3.74 in

Step-by-step explanation:

find the missing side

Answers

Answer:

15

Step-by-step explanation:

trust me

which equation is represented by the phrase a number increased by 3 equals 10 ​

Answers

7+3=10 because it’s asking for something that adds 3 and that would equal 10 so the proper equation is 7+3=10 :)
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