The area of a circle is 647 cm2. What is the circumference, in centimeters? Express
your answer in terms of pi.

Answers

Answer 1

Answer:

Hello! To find the answer you have to use the formula C=2 square x pie x the area. So the answer would be C= 90.17

Step-by-step explanation:


Related Questions

This graph represents the distance a train traveled over a 20-hour time period. Approximately
how far has the train traveled after 1 hour? After 4 hours?
1: After 1 hour 50 miles, after 4 hours 150 miles
2: After 1 hour 20 miles, after 4 hours 100 miles
3: After 1 hour 25 miles, after 4 hours 100 miles
4:After 1 hour 25 miles, after 4 hours 150 miles

Answers

Grdndgeorgeheheuehe

Can someone please help me with this math problem please:):)

Answers

Answer:

y = 126° + 29° = 155°

Step-by-step explanation:

I think this may be a solution:

126°+29°=155°

So, y=155°

The height of the right circular cylinder shown below is 10 feet and its base has a radius of 4 feet. A. B. C. D.

Answers

Answer:

502.4ft^3

Step-by-step explanation:

Given data

Height= 10ft

radius= 4 ft

Hence the volume for the cylinder can be gotten as

v= πr^2h

v= 3.14*4^2*10

v=3.14*16*10

v=502.4ft^3

Therefore the volume of the cylinder is 502.4ft^3

The sum of the length and width of a rectangle is more than 15 units. The length is 3 units more than the width, x. Which model and solution is correct for this situation?

Answers

Answer: [tex]6, 9\ \text{units}[/tex]

Step-by-step explanation:

Given

The Sum of length and width is [tex]15\ units[/tex]

length is 3 units more than the width

width is [tex]x[/tex]

length is [tex]x+3[/tex]

Their sum is 15

[tex]\Rightarrow x+x+3=15\\\Rightarrow 2x=12\\\Rightarrow x=6\ \text{units}[/tex]

Length is [tex]x+3=9\ \text{units}[/tex]

Width is  [tex]x=6\ \text{units}[/tex]

How do I solve 3x-5>0 ? Can someone explain please​

Answers

Answer:

Find my Answer attached.

Step-by-step explanation:

9514 1404 393

Answer:

   x > 5/3

Step-by-step explanation:

In general, inequalities are solved the same way that equations are: undo what is done to the variable. (Whatever you do to one side of the inequality, you must also do to the other side.)

If you were to evaluate this inequality for some value of x, you would ...

multiply by 3subtract 5

When solving for x, you undo these operations in reverse order. You undo the "subtract 5" by doing "add 5" to both sides of the inequality:

  3x -5 +5 > 0 +5

  3x > 5

You undo the "multiply by 3" by doing "divide by 3" to both sides of the inequality:

  (3x)/3 > 5/3

  x > 5/3 . . . . . . . the solution

__

Additional comment

The only difference between solving an equation and solving an inequality is that multiplication or division by a negative number reverses the comparison symbol.

Consider -1 > -2. When this is multiplied by -1, it becomes 1 < 2, with the comparison reversed.

__

As you can see, as long as multiplication and division are with positive numbers, the actual comparison symbol doesn't matter:

  3x -5 > 0   ⇒   x > 5/3

  3x -5 = 0   ⇒   x = 5/3

  3x -5 < 0   ⇒   x < 5/3

What is the answer to this question please

Answers

Answer:

450cm3

Step-by-step explanation:

10 times 5 times 9

Answer:

Simple . the cuboid have to go to GYM to Work out the Volume .  1+2= 11 Answer

What are the solutions for 4x^2+81=36x

Answers

The answer is x= 9/2


Find the solution to the system
of equations.

Answers

(-1, 1)
Find the coordinates of the intersection between the lines.

2 Question 9
Help I’ll give Brainly est

Answers

Answer:

it c

Step-by-step explanation:

If 1 serving of stir fry use 3/5 cup of rice how many cups are in 11 servings?

Answers

Answer:

11 servings include 11(3/5), or 33/5, or 6 3/5, cups of rice.

Step-by-step explanation:

If 1 serving includes 3/5 cup of rice, then multiplying both numerals here by 11 produces a similar statement for 11 servings:

11 servings include 11(3/5), or 33/5, or 6 3/5, cups of rice.

What is the solution to this inequality?
4(2x + 2) + 12 > 100

Answers

Answer:

I love algebra anyways  

the ans is in the picture with the steps  

(hope it helps can i plz have brainlist :D hehe)

Step-by-step explanation:

There are 12 dogs and 15 cats at the pet store. Find the ratio of cats and dogs

Answers

Answer:

15:12

Step-by-step explanation:

hope this helps!

The ratio of dogs and cats at the pet store is 12:15 and in simplest form, it is 4:5.

What is Ratio?

When evaluating two or more numbers, the phrase ratio is used in mathematics. When one quantity is contrasted with another, it is used to show how big or tiny it is.

The division is used to compare the two numbers in a ratio. The term "antecedent" in this context refers to the dividends and "consequent" to the divisor.

As per the given data provided in the question,

Total number of dogs in the pet store, D = 12

Total number of cats in the pet store, C = 15

The ratio of dogs to cat be,

D:C = 12:15

Now, the ratio in simplest form,

D:C = 4:5

To know more about Ratios:

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What is the value of z in the equation 3z + 5 = 4z - 2? I NEED THE WORK

Answers

Answer:

z=7

Step-by-step explanation:

3z+5=4z-2

5=4z-2-3z

5=z-2

5+2=z

7=z

z=7

Which number of spins would most likely result in a relative frequency that is closest to the theoretical probability?


• 10 spins
• 50 spins
• 100 spins
• 400 spins

With the spinner shown the theoretical probability of landing on 2 is 0.25!​

Answers

Answer:

The answer is four since the probability is 1/4 in fraction form

Step-by-step explanation:

hope this helps!

Liliana correctly answered 92% of the questions on a geography quiz. Lu answered 47 of 50 questions correctly. Who earned the higher score? Explain.

Answers

Answer:

Lu

Step-by-step explanation:

.....................m

this is so confusing to me

Answers

a.) 990 is the TOP volume.

b.) 825 is the BOTTOM volume.

c.) 1815 is the total volume.

Hope it helps!

- JK Mitsu

#SpreadTheLove

_________________________________________

Some help so you can be independent next time!

1.) Finding the top volume mean multiplying the height of the top (6 m) , width, and length.

2.) Finding the bottom is the height of the bottom (5 m) , width, and length.

3.) Finding the total is adding both bottom and top!

A sculptor is planning to make two triangular prisms out of steel. The sculptor will use △ABC for the bases of one prism and △DEF for the bases of the other prism.

(a)Is △ABC similar to △DEF? Explain.
(b)Suppose the sculptor makes both prisms with the same height. Which prism will have a greater volume? How many times greater? SHOW YOUR WORK FOR BRAINLIEST!!

Answers

Answer:

a)

Verify is the corresponding sides have same ratio:

AB / DE = 50/60 = 5/6 BC / EF = 20/24 = 5/6

Since the ratios are same, the triangles are similar

b)

If one dimension is same, the base areas will make difference by the square of the scale factor:

(6/5)² = 1.44 times

What is the measure of angle CBD? ° What is the length of segment CD? cm Which trigonometric ratio can be used to compare BC to CD using angle CBD? What is the approximate length of BC? cm What is the approximate length of BD? cm

Answers

Answer:

Answer: The measure of ∠CBD is 36°. The length of segment CD is 6 cm.

The trigonometric function gives the ratio of different sides of a right-angle triangle. The length of the segment CD will be equal to 12cm (60/5).

What are Trigonometric functions?

The trigonometric function gives the ratio of different sides of a right-angle triangle.

[tex]\rm Sin \theta=\dfrac{Perpendicular}{Hypotenuse}\\\\\\Cos \theta=\dfrac{Base}{Hypotenuse}\\\\\\Tan \theta=\dfrac{Perpendicular}{Base}\\\\\\Cosec \theta=\dfrac{Hypotenuse}{Perpendicular}\\\\\\Sec \theta=\dfrac{Hypotenuse}{Base}\\\\\\Cot \theta=\dfrac{Base}{Perpendicular}\\\\\\[/tex]

where perpendicular is the side of the triangle which is opposite to the angle, and the hypotenuse is the longest side of the triangle which is opposite to the 90° angle.

1.   For a regular pentagon, the measure of an internal angle is equal to 108°, therefore, the measure of ∠ABD is 108°.

2.   Since the line CB is bisecting ∠ABD, therefore, the measure of the ∠CBD is 54°.

3.   The length of the segment CD will be equal to the length of a side of the pentagon, therefore, the length of the segment CD will be equal to 12cm (60/5).

4.   The trigonometric ratio that can be used to compare BC to CD using ∠CBD is Tangent.

5.   The approximate length of BC can be determined as,

Tan(54°)=CD/BC

BC = CD/Tan(54°)

BC = 8.719 cm

6.    The approximate length of BD can be determined using the Pythgorus theorem,

BD² = CD² + BC²

BD = 10.5835 cm

Learn more about Trigonometric functions:

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Use the spinner to find the theoretical probability of spinning a 1 and then a 2. Round answer to the nearest hundredth. A spinner is divided into 9 equal sections. Starting from the top right and moving clockwise direction, the regions are labeled 1,2,3,4,5,6,7,8, and 9. The spinner pointed at near the boundary line of 3.

Answers

Answer:

1/18

Step-by-step explanation:

yur welcome

NEED HELP ASAP!!!!!Can someone help me!???!

Answers

Answer:

c

Step-by-step explanation:

because it makes the most sense

Answer:

I am going to say c

Step-by-step explanation:

There are approximately 25,000 polar bears worldwide. Some scientists estimate that the polar bear population has been declining at a yearly reduction rate of 1%. What equation would model this situation?
A - p (t) = 25,000 (1.99)^t
B - p (t) = 25,000 (.099)^t
C - p (t) = 25,000 (0.99)^t
D - p (t) = 25,000 (0.01)^t

Answers

Answer:

i think d

Step-by-step explanation:

I need help with this.

Answers

Answer:

(3z+15) cm

Step-by-step explanation:

Perimeter: z cm + 8 cm + (z+3) cm + (z+4) cm = z cm + (z+3) cm + (z+4) cm +8 cm = (3z + 7) cm + 8 cm = (3z+15) cm.

When Anne had one cat, she needed to serve 1/8 of a can of cat
food each day. Now that Anne has adopted a second cat, she
needs to serve a total of 4 cans each day. How much extra food
is needed to feed the second cat?
Simplify your answer and write it as a fraction or as a whole or
mixed number.

Answers

Answer:

Abc= D= 2.94C

Step-by-step explanation:

The question is: Which best describes the first step in evaluating the expression 4· 53+1 (8-5)Cubed 3

Answers

Answer:

Subtract [tex]8 - 5[/tex]

Step-by-step explanation:

Given

[tex]4 . \frac{53 + 1}{(8 - 5)^3}[/tex]

Required

The first step to evaluate the expression

The first step is to evaluate the expression in brackets.

From the question: The expression in bracket is: [tex]8 - 5[/tex]

So, the first step is to subtract [tex]8 - 5[/tex]

at a pizza shop you can choose thick or thin crust red or white sauce and toppings a pepperoni and cheese or vegetarian. create a tree diagram to display the same space

Answers

Answer:

Total 2*2*3 = 12 outcomes

------------------------------------------------------------------------

                                 >  thick, white, pepperoni  

                 White  >  >  thick, white, cheese          

                                 >  thick, white, vegetarian

Thick  > >

                                 > thick, red, pepperoni  

                   Red  >   >  thick, red, cheese

                                 > thick, red, vegetarian

------------------------------------------------------------------------

                                 > thin, white, pepperoni

                  White  >  > thin, white, cheese

                                  > thin, white, vegetarian

Thin  > >

                                > thin, red, pepperoni

                   Red  >  >  thin, red, cheese

                                >  thin, red, vegetarian

When the input is 5, what is the output for the square function?

Answers

Answer:25

Step-by-step explanation:

Answer:

20

Step-by-step explanation:

(HELP I BEG U THERE IS 20 MIN LEFT I NEED SLEEP AND I WILL GIVE BRAINLY )

Answers

Answer:

your answer is number 3 or 4 I believe it is both

6x – 9 = 33 Check


please and thank you ​

Answers

Answer:

x = 7

Step-by-step explanation:

6x - 9 = 33

6x = 33 + 9

6x = 42

x = 42 / 6

x = 7

6x - 9 = 33

6 x 7 - 9 = 33

42 - 9 = 33

33 = 33

Hope that helps!

Answer: x=7

Step-by-step explanation:

6x-9=33

for x

6x=33+9

6x=42

x=42/6

x=7

for checking put value of x

6*7-9=33

42-9=33

33=33

im confused on this problem

Answers

Answer:

y = 54, x = 62

Step-by-step explanation:

plz mark helpful, 5 str, and give brailiest, thx!

yo i need help with this question please and thank u i need the correct answer to please i will give u a brainliest as well

Answers

V = πr ^2 h
V = π (3)^2 (5)
V = π (9) (5)
V = π 45
V = 141.3 in
141.3 divided by 8 = 17.7
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