The radius of a circle is 4 in . Find it’s circumference in terms of

Answers

Answer 1

Answer:

8pi

Step-by-step explanation:

The formula for circumference is the radius multiplied by [tex]2\pi[/tex]. In this case, [tex]4\cdot 2\pi=8\pi[/tex]. Hope this helps!


Related Questions

How do I solve for e?
9e+4=-5e+14+13e

Answers

Answer: e = 10

Step-by-step explanation: 9e + 4 = -5e + 14 + 13 e

Now lets bring the variables and numbers on a different side

Remember that when the numbers go to the other side the sign changes

so 4 - 14 = -9e + 13e -5e

-10 = -e

10 = e

if plug in both equations on a graph then you will see that when e = 10 the lines meet at 94.

Answer:

[tex]e=10[/tex]

Step-by-step explanation:

[tex]9e+4=-5e+14+13e[/tex]

Simplify both sides by combining [tex]-5e+13e[/tex] :

[tex]9e+4=8e+14[/tex]

Isolate the variable e. Subtract  8e from both sides:

[tex]9e-8e+4=8e-8e+14\\\\e+4=14[/tex]

Subtract 4 from both sides:

[tex]e+4-4=14-4\\\\e=10[/tex]

:Done

If you flip a coin and roll a 666-sided die, what is the probability that you will flip a heads and roll a 555?

Answers

Answer:

Assuming that the die has sides that are equal and that the sides are numbered 1 to 666 (since there are 666 sides), then the probability of rolling a 555 and flip a heads is 1/1,332.

Step-by-step explanation:

Probability of flipping a heads: 1/2

Probability of rolling a 555: 1/666

Multiply the two probabilities to get your probability for rolling both.

1/2 times 1/665 is 1/1,332.

Answer:

1/12

Step-by-step explanation:

Trinity takes a sample of 50 songs and finds that 20 are by a female artist. Based on this problem, which of the following is a 99% confidence interval for the proportion of songs on her phone by a female artist?

Answers

Answer: (0.2215, 0.5785)

Step-by-step explanation:

Given, Trinity takes a sample of 50 songs and finds that 20 are by a female artist.

Let p be the proportion of songs on her phone by a female artist.

Then , the 99% confidence interval for p would be :-

[tex]\hat{p}\pm z\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}[/tex]  ...(i)

As per given , Sample size : n= 50

Sample proportion of songs on her phone by a female artist. [tex]\hat{p}=\dfrac{20}{50}=0.4[/tex]

For 99% confidence level , critical z-value =2.576

Substituting values in (i), we get

[tex]0.4\pm 2.576(\sqrt{\dfrac{0.4(1-0.4)}{50}})\\\\=0.4\pm 2.576\sqrt{0.0048}\\\\\approx0.4\pm0.1785\\\\=(0.4-0.1785,\ 0.4+0.1785)\\\\=(0.2215,\ 0.5785)[/tex]

Hence, a 99% confidence interval for the proportion of songs on her phone by a female artist : (0.2215, 0.5785)

Dimensions of a building are 225
feet by 125 feet. If 1 inch
represents 10 feet, what are the
dimensions of the building on the
drawing?

Answers

Answer:

divide 300 feet by 50 which is 6, divide 125 ft by 50 which is 2.5. Therefore your dimensions are 6 in by 2.5 in

if you're in putting in the computer it may want 2.5 in fraction form which is 2 1/2 in or in improper fraction form 5/2 in

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Step-by-step explanation:

Final answer:

The building's dimensions would be 22.5 inches by 12.5 inches on the drawing when the scale of 1 inch represents 10 feet.

Explanation:

The dimensions of the building you have mentioned are 225 feet by 125 feet. Given the scale of 1 inch represents 10 feet, we can calculate the dimensions of the building on the drawing by dividing each dimension of the building by the scale factor.

So, for the first dimension: 225 feet divided by 10 (scale factor) equals 22.5 inches. For the second dimension, 125 feet divided by 10 equals 12.5 inches.

Therefore, the dimensions of the building on the drawing would be 22.5 inches by 12.5 inches.

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What is the value of x?

Answers

Answer:

x = 6

Step-by-step explanation:

8^2 + x^2 = 10^2

64 + x^2 = 100

x^2 = 36

x = 6 (-6 can't be a length)

Answer:

The Answer Is 6

Step-by-step explanation:

By Pythagoras Theorem

(AC)^2 = (AB)^2 + (BC)^2

(AB)^2 = (AC)^2 - (BC)^2

(AB)^2 = (10)^2 - (8)^2

(AB)^2 = 100 - 64

(AB)^2 = 36

(AB) = 6

AB = X = 6

identify the solution to the system of equations

Answers

Answer:

(-2, -1).

Step-by-step explanation:

When trying to find the solution to a system of equations graphically, all you need to do is find the point of intersection between the two equations.

In the graph pictured, we can see that the two equations intersect at (-2,-1).

yo someone please do this for me

Answers

Answer:

20

Step-by-step explanation:

160+160= 320

320-360=40

40/2=20

Answer:

URS = 20°

Step-by-step explanation:

Angle URS is supplementary to angle TUR because they are consecutive angles.

PLEASE HELP! 20 POINTS!! You have 1 1/2 Oranges, that’s 3/5 of an adult serving. How many oranges and/or orange pieces make up a full adult serving?

Answers

Answer:

4

Step-by-step explanation:

1 1/2 / 3/5=2 1/2

1 1/2 + 2 1/2=4

If you help me get this right i will give you brainly, and 5 stars!

Answers

Answer:

Column A: Domain: B: -6, -3, -2, 0, 2, 3, 5, 8

Column A: Range: A: -2, -1, 9, 2, 3

Step-by-step explanation:

We can derive these answers by looking at the x and y values of each dot. The Domain is represented by the x values, and the Range is represented by the y values.

The answers chosen contain the x and y values that the graph represents.

Your bill at a register is $153.60. Which would be better for you: A 15% off coupon or a $20 off coupon?

Answers

Answer:

is this what your looking for?

Step-by-step explanation:

Answer:

!5%

Step-by-step explanation:

a) 7.7 ft
b) 13.4 ft
c) 10.3 ft
d) 12.3 ft

Answers

Answer:

D. 12.3 ft

Step-by-step explanation:

This problem requires the use of trigonometric ratios. This one specifically uses the cosine ratio as it provides the hypotenuse and is asking for the side that is adjacent to the angle.

cos(40°)=a/16

cos(40°)×16=a/16×16

cos(40°)×16=a

a=12.256 ft

The length of side a is D. 12.3 ft.

The public library has volunteers shelve books after they have been returned. When Lisa arrives to volunteer, there are 5 non-fiction books for every 9 fiction books. If there are 117 fiction books to shelve, then how many non-fiction books need to be shelved?

Answers

Answer:

65 non-fiction books need to be shelved

Step-by-step explanation:

This question can be solved using a rule of three.

For each 5 non-fiction books, there are 9 fiction books. How many non-fiction books are there when there are 117 fiction books?

5 non-fiction - 9 fiction

x non-fiction - 117 fiction

[tex]9x = 5*117[/tex]

[tex]x = \frac{5*117}{9}[/tex]

[tex]x = 65[/tex]

65 non-fiction books need to be shelved

Answer:

52

Step-by-step explanat

because 117 -56-9=52

An employee's salary went up from $14 to $16.50. By how many percent did it increase? Round off your answer to the nearest percent.
A.15%
B.18%
C.85%

Answers

Answer:

B 18%

Step-by-step explanation:

14 times .18 or 18% is 2.52. add that to 14 for 16.52 which is the closest to 16.50

Mike has 9 lollipops, 6 peanut butter cups and 3 pieces of chocolate. If he divides the candy equally into 3 bags, how many pieces of candy will be in each bag?

Answers

Answer:

6

Step-by-step explanation:

per bag

9/3=3 lollipops

6/3=2 peanut butter cups

3/3=1 chocolate

then add them together to get 6

Answer: 6 pieces of candy

Step-by-step explanation:

Assuming lollipops, peanut butter cups, and chocolate are wanted in 3 bags, we would add all the candy together.

9+6+3=18

We have a total of 18 candies. Since we have to split the candy into 3 bags, you would divide 18 by 3.

18/3=6

There will be 6 pieces of candy in each bag.

which graph shows the solution to the following inequality. -5c+2<27

Answers

Step-by-step explanation:

Step 1:  Subtract 2 from both sides

[tex]-5c + 2 - 2 < 27 -2[/tex]

[tex]-5x < 25[/tex]

Step 2:  Divide both sides by -5

[tex]-5x / -5 < 25 / -5[/tex]

[tex]x > -5[/tex]

Answer:  [tex]x > -5[/tex]

Answer:

c > -5

Step-by-step explanation:

-5c+2<27

-5c < 25

Switch sides

-25 < 5c

-5 < c

c > -5

The volume of the sphere is
500
- cubic units.
3
What is the value of x?
4 units
5 units
8 units
O 10 units

Answers

complete question:

The volume of the sphere is 500/3 π cubic units. What is the value of x?  

x = radius

Answer:

x = 5 units

Step-by-step explanation:

The volume for a sphere can be represented as follows

volume = 4/3πr³

volume = 500/3 π

x = radius

volume = 4/3πx³

500/3 π = 4/3 × π × x³

multiply both sides by 3/4

500/3 × π × 3/4 = π × x³

125π = πx³

divide both sides by π

x³ = 125π/π

x³ = 125

cube root both sides

x³ = ∛125

x = 5 units

Mr. Jones buy 6 packages of pencils. There are 8 pencils in each package. How many pencils does Mr. Jones buy?

Answers

Answer:

Mr. Jones buys 48 Pencils.

Step-by-step explanation:

6x8=48

Step-by-step explanation:

48 pencils.

If there is 6 packages of pencils, and there is 8 pencils in each, then you multiply 6 x 8 to get 48 pencils.

I hope this helped.

Fill in the blank: 8 feet = __________ inches

Answers

Answer:

96

Can I have brainliest

Step-by-step explanation:

Answer:if they are 12 inches on a feet the equation will be 12x8=is 96

so they are 96 inches on 8 feet

Write an inequality, in slope-intercept form, for the graph below. If necessary,
use "=" for < or ">=' . will give brainliest for the correct answer ​

Answers

Answer:

[tex]\displaystyle y > \frac{1}{4} x+1[/tex]

Step-by-step explanation:

To find the inequality of the shaded area which passes through points (-4, 0) and (4, 2), first we need to find the equation of the line.

To find the equation that passes through (x₁, y₁) and (x₂, y₂), we use this formula:

[tex]\boxed{\frac{y-y_1}{y_2-y_1}=\frac{x-x_1}{x_2-x_1} }[/tex]

Given:

[tex](x_1,y_1)=(-4,0)[/tex][tex](x_2,y_2)=(4,2)[/tex]

Then:

[tex]\begin{aligned}\frac{y-y_1}{y_2-y_1}&=\frac{x-x_1}{x_2-x_1}\\\\\frac{y-0}{2-0}&=\frac{x-(-4)}{4-(-4)}\\\\\frac{y}{2}&=\frac{x+4}{8}\\\\y&=\frac{1}{4}x+1 \end{aligned}[/tex]

Now, we look at the line in the graph. Since the line is a dotted line, which means that the line is excluded from the shaded area. Then we can only use < or > for the inequality (instead of ≤ or ≥).

Finally, we look at the shaded area. Since the area is above the line, which means the y-value of the area is larger than the y-value of the equation (line), then we will use the larger than sign (>) and the answer will be:

[tex]\displaystyle y > \frac{1}{4} x+1[/tex]

What is the volume of the can below? Use = 3.14 and round your answer to the nearest tenth.

66 mm

96 mm

cubic millimeters

Answers

The volume of the can is 328, 268. 16 mm³.

What is Volume?

Volume is a mathematical term used to describe how much three-dimensional space an item or closed surface occupies.

The area that any three-dimensional solid occupies is known as its volume. These solids can take the form of a cube, cuboid, cone, cylinder, or sphere.

We have,

Radius = 66/ 2= 33 mm

Height= 96 mm

So, volume of Can

= πr²h

= 3.14 x 33² x 96

= 3.14 x 1,089 x 96

= 328, 268. 16 mm³

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simplify 11 to the power of negative 4 over 11 to the power of 8

1. 1 over 11 to the power of 12
2. 1 over 11 to the power of 4
3. 11 to the power of 4
4. 11 to the power of 12

Answers

Answer:

1. 1 over 11 to the power of 12

Step-by-step explanation:

[tex] \huge \frac{ {(11)}^{ - 4} }{ {(11)}^{8} } \\ \\ \huge = \frac{ 1}{ {(11)}^{8 + 4} } \\ \\\huge = \frac{ 1}{ {(11)}^{12} } [/tex]

need help !! 25 points ​

Answers

Answer:

B

Step-by-step explanation:

There are 30 chocolates in a box, all identically shaped. There are 11 filled with nuts, 10 with caramel and 9 are solid chocolate. You randomly select one piece, eat it and then select a second piece. What is the probability of selecting two solid chocolates in a row?

Answers

Answer:

I think the answer is 4 1/2 out of 30 chance.

Step-by-step explanation:

Final answer:

The probability of selecting two solid chocolates in a row is 4/145.

Explanation:

To calculate the probability of selecting two solid chocolates in a row, we need to consider the probability of selecting a solid chocolate on the first draw and the probability of selecting a solid chocolate on the second draw, given that a solid chocolate was selected on the first draw.

There are a total of 30 chocolates, with 9 solid chocolates. Therefore, the probability of selecting a solid chocolate on the first draw is 9/30.

After eating the first chocolate, there are now 29 chocolates left in the box, with 8 solid chocolates remaining. So the probability of selecting a second solid chocolate is 8/29.

Since the two events are independent, we can multiply the probabilities of each event to find the probability of both events occurring:

Probability of selecting two solid chocolates = (9/30) * (8/29) = 4/145.

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Please help me now plz
I will mark you brainliest

Answers

Answer:

  1229 km

Step-by-step explanation:

The missing angle is ...

  180° -60° -75° = 45°

Knowing that, the Law of Sines can be used to find the side opposite the 75° angle.

  ?/sin(75°) = 900 km/sin(45°)

  ? = (900 km)sin(75°)/sin(45°) ≈ 1229.423 km

The UFO is about 1229 km from KA-12.

You’ll get a easy 15 points for answering this

Answers

The Answer is D $50.74

Answer:

$50.73

Step-by-step explanation:

NOTE:__________________________________________

applying a sales tax of 8% on an item means multiplying its original price by (1+8%).__________________________________________

The needed amount of money:

  29.99×(1+8%)+16.99×(1+8%)

= 29.99×(1+(8÷100))+16.99×(1+(8÷100))

= 50.7384

:)

What is the equation of the graph below?

Answers

Answer:

y = sin(x+90)

Step-by-step explanation:

The shape of the graph shown is a y = cos x graph

Since that is not an option, we know that it must be translated somewhat

Sin x and cos x graphs are the exact same in shape, but differ by 90°

Y = sin (x+90) is the same as a Y = cos x graph, so Y = sin(x+90) is our answer

Answer:A

Step-by-step explanation:

I did it rn

A parallelogram has an area of x2+ 9x− 36.

a.What are expressions for the length and width of the parallelogram?

b.If x is an integer, what is the least possible value of x for a parallelogram to exist? Explain.

Answers

Answer:

a) Length [tex]x + 12[/tex], Width [tex]x - 3[/tex], b) [tex]x = 3[/tex]

Step-by-step explanation:

a) The expressions for the length and width of the parallelogram can be determined by factorizing the polynomial:

[tex]A = x^{2} + 9\cdot x - 36[/tex]

[tex]A = (x+12)\cdot (x-3)[/tex]

Length

[tex]x + 12[/tex]

Width

[tex]x - 3[/tex]

b) Since area is a positive variable, the set of solutions encompass all values of x such that area is zero o greater. Then, there are two interval where A is positive:

- When both binomials are negative.

[tex]x \leq 3[/tex] and [tex]x \leq -12[/tex]

[tex]x \leq -12[/tex]

- When both binomials are positive.

[tex]x \geq 3[/tex] and [tex]x \geq -12[/tex]

[tex]x \geq 3[/tex]

Since x is an integer, x must be positive and therefore the least possible value of x is:

[tex]x = 3[/tex]

someone solve this please

Answers

They're same side interior angles because since it's a parallelogram, the lines are parallel, and in this case, AB and CD are the parallel lines, AD is the transversal, and therefore, x and 115 are same side interior.

Same side interior angles are supplementary so x + 115 = 180

x = 180 - 115 = 65

65 degrees

Which line has the greatest rate of change? A line passing through (-1, 4) and (1, 7). A line passing through (1, 3) and (5, 11). A line passing through (1, 1) and (4, -3). A line passing through (0, 6) and (12, 9). please help!!

Answers

Answer:

A line passing through (1, 3) and (5, 11)

Rate of change = 2

Step-by-step explanation:

Rate of change = change in y / change in xr = Δy/Δx

Let's get the rate of change for each line:

A line passing through (-1, 4) and (1, 7).

r = (7 - 4) / (1 -(-1)) = 3/2

A line passing through (1, 3) and (5, 11).

r =  (11 - 3) / (5 - 1) = 8/4 = 2

A line passing through (1, 1) and (4, -3).

r = (- 3 - 1) / (4 - 1) = -4/3

A line passing through (0, 6) and (12, 9)

r = (9 - 6) / (12 - 0) = 3/12 = 1/4

Comparing the values of r, we can see the greatest one is 2 for the line passing through (1, 3) and (5, 11)

Please help me now plz

Answers

Answer:

263

Step-by-step explanation:

remember the square is 90

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