Circle X has a circumference of 72π.what is the diameter of circle X?

Answers

Answer 1

Answer:36 in

Step-by-step explanation:

The formula for circumference is: C = 2πr

π = 3.14

r = radius.

The Circumference given to us is 72π. Plug in 72π for C

72π = 2πr

Isolate the variable, r. Divide 2 and π from both sides

(72π)/2π = (2πr)/2π

r = (72π)/2π

r = 36

36

Answer 2

Answer: 72

Step-by-step explanation:

since the formula of circumference is C= Pi times the diameter, In some cases when they don't say what Pi is same thing here. So, you would put the diameter and the pi sign next to each other. So 72 is the diameter.


Related Questions

What are the answers to the questions on this page? Show work if possible. (Geometry) 60 points + Brainliest if correct. (Page 3).

Answers

Answer:

oh yeah

Step-by-step explanation:

Help please! I don’t know the answer to this question

Answers

Answer:

x=8

[tex]2x \times 10 \div 2\\ = 2(8) \times 10 \div 2\\ = 16 \times 10 \div 2 \\ = 160 \div 2 \\ = 80[/tex]

Answer:

x = 8 cm

Step-by-step explanation:

Area = 1/2bh

80 = 1/2(10)(2x)

10x = 80

x = 8

what's the circumference of a circle is C centimetres. which expression best represents the value of pie?

Answers

Answer:

C=2πr

Step-by-step explanation:

Answer:

ok

Step-by-step explanation:

can I get help please​

Answers

A+ b is the answers

Answer:

a + b

Step-by-step explanation:

sum of two opposite interior angles are equal to one exterior

hope it helps

PLSSSS HELP MEEEEEE LIKE RN PLEASE

Answers

Answer:

-3

Step-by-step explanation:

it’s -(-4), aka 4. You can see points 0 and 2 on the number line, point D is at 4

The final price of an iPhone 12 Pro Max was $1072.85 after a 7.5% sales tax was applied. What was the original cost of the phone? Please explain

Answers

Answer:

992.39

 Step-by-step explanation:

sales tax was 80.46 subtract from 1072.85 get 992.39 original price.

HELP DUE IN 10 MINS!

The monument is Blank feet tall.

Answers

Answer:

i got 555 ft. hope this help you.

In 1979, the price of electricity was $0.05 per kilowatt-hour. The price of electricity has increased at a rate of approximately 2.05% annually. If t is the number of years after 1979, create the equation that can be used to determine how many years it will take for the price per kilowatt-hour to reach $0.10. Fill in the values of A, b, and c for this situation. Do not include dollar signs in the response.
c=A(b)^x

Answers

The equation that can be used to determine the number of years it would take for the price to be $0.10 is 0.10 = 0.05(1.0205)^t.

What is the equation that models the increase?

The equation that would be used is an exponential equation. An exponential equation is used because the rate of increase is a compound growth.

Exponential equations usually have this form: FV = PV( 1 + r)^t

Where:

FV = future value PV = present value r = rate of growth t = time

0.10 = 0.05(1.0205)^t.

To learn more about exponential functions, please check: https://brainly.com/question/26331578

#SPJ1

PLEASE HELP
PICTURE ABOVE OR WHATEVER!!!!
WILL MARK BRAINLIEST

I'LL ALSO THINK THAT YOU'RE VERY COOL AND SMART ​

Answers

I think its c. Also i have to put 20 characters so im just gonna keep typing

the sum of 6 less than a number and 3​

Answers

Answer:

2

Step-by-step explanation:

What is the location of point G, which partitions the directed line segment from D to F into a 5:4 ratio?
D
+
4
F
Sus
7
+
3
+
8
+
9
5
-2
1
0
1
2.
3
4
5
6
10
-1
0
2.
3

Answers

Answer:

2

Step-by-step explanation:

The location of point G  which partitions the directed line segment from D to F into a 5:4 ratio is; x = 3

Division of a Line Segment

The formula for coordinate of a point that divides a line segment in a ration is given by;

x = (mx₂ + nx₁)/(m + n)

We are given the ratio 5:4

Thus m = 5 and n = 4

The endpoints of DF are D(-2) and F(7)

Thus;

x = ((5*7) + 4(-2))/(5 + 4)

x = 27/9

x = 3

Thus, the location of point G  which partitions the directed line segment from D to F into a 5:4 ratio is x = 3

Read more on division of a line segment at; https://brainly.com/question/8009114

Triangle similarity and congruence! * Pic included

Answers

hi hi hi hi hi hi hi

Answer:

Yes, beacuse the ratios of the corresponding sides are equal.

Step-by-step explanation:

12/36 = 0.33

10/30 = 0.33

15/45 = 0.33

Y= -6/5x-7 and y=2/5x+1

Answers

Answer:

x = -5

y = -1

Step-by-step explanation:

Y= -6/5x-7 and y=2/5x+1

then:

-6/5x - 7 = 2/5x + 1

simplify:

-8/5x = 8

divide both sides by 8:

-1/5x = 1

multiply both sides by 5:

-x = 5

x = -5

y = 2/5(-5) + 1 = -2 + 1 = -1

HELP I NEED HELP ASAP
HELP I NEED HELP ASAP
HELP I NEED HELP ASAP
HELP I NEED HELP ASAP
HELP I NEED HELP ASAP

How many solutions can a system of linear equations have?

Answers

Answer: One

Step-by-step explanation:

Which of these numbers is not larger than -2 on a number-line? *

( a) 0

(b) -1

(c) 5

(d) -3​

Answers

Answer:

d

Step-by-step explanation:

Can someone please help me with math.
Its 1 question.

Answers

Answer:

B

Step-by-step explanation:

more points fall on the line. a close second is D but you can see that B is more accurate

When solving for x in a one-variable equation, there can be one solution, no solution, or infinitely many solutions. In complete sentences, explain whether this statement is true or false, and why.

Answers

X is one variable sooo it is true

Reflect across the line y=x. Find the coordinates of the reflected points

Answers

E= 3,-3
I = 4,-3
X = 4,-1

For rhombus ABCD, M and BD=___

PLEASE HELP ME

Answers

Answer:

∠BCE = 53°

BD = 16

Step-by-step explanation:

because it is a rhombus, AB = CB

∠BCE = 53°  because ΔABC is isosceles triangle

BD = BE

BD = 16

Which number in the set {6, 12, 18, 36} satisfies the equation 3x - 9 = 27? Explain

Answers

Answer:

12

Step-by-step explanation:

3 x 12= 36

36-9= 27

Help me pls!!!!!!!!!!

Answers

Answer:

m<B= 52

Step-by-step explanation:

2x - 30 + 3x + 10 + 7x + 32 = 180

12x + 12 = 180

12x = 168

x = 14

m<B= 3x + 10

3(14) + 10

52

An angle measures 145°.

Through what fraction of a circle does the angle turn?

Answers

Fraction of a circle the angle turn is. Step-by-step explanation: Since we have given that. Measure of an angle = 125°

Answer:

[tex]\frac{29}{72}[/tex]

Step-by-step explanation:

There are 360° in one complete rotation , thus angle turns

fraction = [tex]\frac{145}{360}[/tex] ( divide numerator and denominator by 5 )

             = [tex]\frac{29}{72}[/tex] ← in simpest form

Side c on a right triangle is ALWAYS the longest.
O No answer text provided.
O No answer text provided.
O True
O False

Answers

Answer:

the answer should be false..

I think the answer is true! On Quizzz.com the answer is true on there too

Factor out the GCF of 16x3−4x2+24x

Answers

The gcf would be 24? I think it is right but I might be also wrong

Select the expressions that are equivalent to 7(x+2).

Answers

Answer:

5

Step-by-step explanation:

7-2=x

7-2=5

x=5

.........................

Find h.
plz answer thank you

Answers

Answer:

[tex] \frac{15}{h} = \frac{20}{30} \\ 15 \times 30 = 20 \times h \\ h = \frac{450}{20} \\ h = 22.5[/tex]

Find sin 0, where is the angle shown.
Give an exact value, not a decimal approximation.

Answers

Answer:

sinθ = [tex]\frac{24}{25}[/tex]

Step-by-step explanation:

By applying Pythagoras theorem in the given triangle,

Hypotenuse² = (Leg 1)² + (Leg 2)²

                      = (24)² + 7²

Hypotenuse = √625 = 25

By applying sine rule in the given triangle,

sinθ = [tex]\frac{\text{Opposite side}}{\text{Hypotenuse}}[/tex]

Since, measure of opposite side = 24

Measure of hypotenuse = 25

Therefore, sinθ = [tex]\frac{24}{25}[/tex] will be the answer.

simplify 4y (2y-7) and find it's value if y= 1/2
ANSWER FASTT!!!

Answers

Step-by-step explanation:

This the solution

the answer is one

Christine bought lunch 15 times at school this month and spent a total of $49.50. Each of her lunches cost an equal amount
Which equation could Christine use to determine the price of each lunch (p?
15p = 49.50
49.50p = 15
15+p=49.50
49,50 + p = 15

Answers

Answer:

The answer is 15p = 49.50

Answer:

The answer is $3.3

Step-by-step explanation: Because 49.50 divided by 15 is 3.3

(a) All even numbers are divisible by 2.​

Answers

Answer:

All even numbers are divisible by 2
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