What’s the equation of a line??

Answer:

[tex]\dfrac{3}{10}[/tex]

Step-by-step explanation:

Length of an arc[tex]=\dfrac{\theta}{2\pi}X 2\pi r=\theta r[/tex]

If the central angle of the arc is [tex]\dfrac{3\pi}{5}[/tex]

Length of an arc[tex]=\dfrac{3\pi r}{5}[/tex]

Therefore:

Ratio of the length of the arc to the circumference

[tex]=\dfrac{3\pi r}{5}:2\pi r\\=\dfrac{3\pi r}{5*2\pi r}\\=\dfrac{3}{10}[/tex]

Therefore, the arc is [tex]\dfrac{3}{10}[/tex] of the circumference is this arc.

Answer: 3 /10

Step-by-step explanation: Khan Academy

Answer:

it is 1.8 im sure thats the answer

Step-by-step explanation:

Answer:1.8

Step-by-step explanation:

Answer:

Angle x + 71 degrees = 180

x = 109 degrees

Step-by-step explanation:

Answer:

Prt A- Yes

Part B- 5:1

Step-by-step explanation:

The ratios in cases 1 and 2 form a proportion. This can be seen by dividing case a by 5 which gives 4:3;

i.e 20:15 = 20

                15

If you divide both numerator and denominator by 5, we have 4/3.

This shows that case 1 and 2 have the same proportions of friends to strangers.

Part B.

The number of friends in case 1 is 20 while in case 2 is 4.

we have, 20:4

= 20

   4

Dividing each by 4, we have 5:1.

This means that the ratio of friends that in case 1 to case 2 is 5:1.

cheers

Answer:

[tex]n[/tex]

Step-by-step explanation:

The expression [tex]n+1[/tex] represents infinite numbers, because [tex]n[/tex] can be all positive numbers, all negative numbers, or can be an element of the whole number field.

So, generally speaking, the numbers less than [tex]n+1[/tex] are [tex]n[/tex], because [tex]n<n+1[/tex].

Therefore, an expression less than the given one is [tex]n[/tex]

Answer:

n+1

Step-by-step explanation:

Answer:

I think it was easy.

Answer:154

Step-by-step explanation:

14/ 25 = x/275

multiply 14* 275 then divide by 25 to get 154

Answer:

168

Step-by-step explanation:

If 14/25 have passwords, and there are 275 students in her school, then the equation should be 275/25=12, 12*14=168

Answer:

146

Step-by-step explanation:

6 * 23 = 138

138 + 8 = 146

Answer:

146

Step-by-step explanation:

6x23 = 138

138+8= 148

Answer: P = 4/52 = 0.077 or 7.7%

Step-by-step explanation:

I will answer in English.

We have a deck of 52 cards, and we want to find the probability of drawing, at random, a 1.

We have 4 1's in the deck, one for spades, one for hearts, one for diamonds and one for clovers.

So the probability can be calculated as the quotient between the total number of 1's in the deck and the total number of cards in the deck, this is:

P = 4/52 = 0.077

Answer:

Number of rectangles  could alex draw with an area of 11cm² = 1

Step-by-step explanation:

Minimum length in centimeter grid = 1 cm

Alex is drawing rectangles with different areas on a centimetre grid.He can draw 3 different rectangles with an area of 12cm²

That is

                  [tex]12 = 1 \times12\\\\12=2\times6\\\\12=3 \times4[/tex]

         These are the 3 different rectangles with an area of 12cm².

Now we need to find how many rectangles could alex draw with an area of 11cm².

                    11 = 1 x 11

So only one factorization is possible.

Number of rectangles  could alex draw with an area of 11cm² = 1

Answer:

Alex can only drawn 1 rectangle with an area of 11 cm²

Step-by-step explanation:

When Area = 12 cm², Alex could draw 3 rectangles.

This is because, Area of a rectangle = Length * Breadth

and the factors of 12 are 1, 2, 3, 4, 6, and 12.

The 3 triangle formed can be gotten from the correct combinations of these factors, which are 12 × 1, 2 × 6, 3 × 4.

All of these three combinations give us an area of 12 cm²

Similarly when Area = 11 cm², 11 is a prime number and its factors are 1 and 11.

The only combination that can be made from these factors is 11 × 1.

This means that only one rectangle can be drawn

Answer:

14.13

Step-by-step explanation:

Step 1) Find the total area

A = pi x r^2

A = pi x 3^2

A = 9pi

Step 2) Divide the total area by 4

9pi / 4 = 2.25pi

2.25pi = 7.07

A = 7.07 square feet

Hope this helps! :)

Answer:

B

Step-by-step explanation:

First thing to do here is to calculate the z-score

Mathematically;

z-score = (x-mean)/SD

here, x = 130, mean = 120 and SD = 10

Substituting these values

z-score = (130-120)/10 = 10/10 = 1

So the probability we want to calculate is;

P(z ≥ 1) = 1 - P(z <1)

From standard score table, P(z <1) = 0.15866

P(z ≥ 1) = 1-0.15866 = 0.84134

Answer:

0.16

Step-by-step explanation:

Answer:

the answer is $36.04

Step-by-step explanation:

34 dived into 100= 0.34 times 6 equals 2.04 34+2.04=36.04

Answer:

[tex]A \approx 113.10cm^2[/tex]

Step-by-step explanation:

The circle is a flat surface or area limited or closed by a circumference. It is a two-dimensional figure and is formed by making a curve where it will always have the same distance to the center. Its area can be calculated using the following formula:

[tex]A=\pi r^2\\\\Where:\\\\r=radius[/tex]

Therefore the area of the circular baking tray is:

[tex]A=\pi (6)^2=\pi*36=36 \pi=113.0973355\approx 113.10 cm^2[/tex]

Answer:

t = 0.77

Step-by-step explanation:

D(t) = 50 - 23 sin(π(t + 0.23))

The value of the sine function has a maximum of -1 and a minimum of 1.

The average value of the sine function is 0.

At maximum sine value:

D(t) = 50 - 23(1) = 50 - 23 = 27

At minimum sine value:

D(t) = 50 - 23(-1) = 50 + 23 = 73

At average sine value of 0:

D(t) = 50 - 23(0) = 50 - 0 = 50

The average depth of the waves is 50 cm.

Now we need to find at what time, t, that occurs.

D(t) = 50 - 23 sin(π(t + 0.23)) = 50

50 - 23 sin(π(t + 0.23)) = 50

-23 sin(π(t + 0.23)) = 0

sin(π(t + 0.23)) = 0

The value of the sine is 0 at 0, π, 2π, ..., nπ

π(t + 0.23) = nπ

t + 0.23 = n

t = n - 0.23

n is all integers, but here we are concerned with the first occurrence after time equals zero, so we want n = 1.

t = 1 - 0.23

t = 0.77

Answer:

multiply by the reciprocal!

so if you have 1/(2/5) it is the same as 1 * (5/2)

Answer:

3.1, 3.2, 3.3

Step-by-step explanation:

There are infinite options but a rational number is a fraction, decimal, or repeating decimal.

3 [tex]\frac{1}{3}[/tex] is an example of a fraction between 3 and 4

3.2 is an example of a decimal between 3 and 4

3.3333333... is an example of a repeating decimal between 3 and 4

Answer: 3.2526252625...

Explanation: The number above would be a rational number because it's a repeating decimal. Notice that in the decimal above, 2526 is a group of repeating digits and repeating decimals are rational.

Answer:

8 hours

Step-by-step explanation:

Convert all the hours to minutes, then convert back at the end.

Answer:

The correct answer is y.

Step-by-step explanation:

hope it works out !!

Answer:

-8x-4 is the answer using distributive property.

Answer:

-8x -4

Step-by-step explanation:

8 (-x -(1/2))

Distribute

-8*x + 8*-1/2

-8x -4

Answer:

1.) 3

Step-by-step explanation:

Divide each side by -35. Whatever you do to one side of the equation, you must do to the other side.

[tex]\frac{-35x}{-35}[/tex] = [tex]\frac{-105}{-35}[/tex]

X = 3

Answer:

( About ) 90%

Step-by-step explanation:

We are given the table below;

Number of seconds | Amount of water

              0                 |             0

              3                 |             75

              6                 |             150

Now from this table we see that the rate change is that for every 3 seconds of difference, the amount of water increases by 75 cm^3;

If that is so, the amount of water after 7 seconds is 150 + ( 75 / 3 ), provided the difference in seconds between 6 and 7 is 1 / 3rd that of the difference between 0 and 3, or 3 and 6;

150 + ( 75 / 3 ),

150 + 25,

175 cm^3

Now let us compute the total volume of this cylinder, as such;

πr^2 * height,

π * ( 3 )^2 * 7,

9 * π * 7,

Volume of can ⇒ 197.82 cm^3

175 / 197.82 = 0.9 = Solution; 90%

Answer:

208

Step-by-step explanation:

calculator plus had the same question before

Answer:

It is B, I got it right on edman!

Step-by-step explanation:

The correct ways can the roles be assigned is  84 ways.

To find ways can the roles be assigned.

A combination is a mathematical technique that determines the number of possible arrangements in a collection of items where the order of the selection does not matter.

Given That:

Total individuals = 9

Available roles = 5

First, it'll be assumed that no two individual shares a role and no single individual takes two roles.

Having said this, the number of ways the roles can be assigned can be calculated using the combination formula  as follows.

ⁿCr = C(n,r)

Where n represents the total individuals

n = 9

r represents the available roles

r = 5

So,

ⁿCr = C(n,r)

⁹C₆ = C(9,6)

⁹C₆= 9!/((9-6)!*6!)

⁹C₆ = 9!/(3!*6!)

⁹C₆ = (9 * 8 * 7 * 6!)/(6! * 3 * 2 * 1)

⁹C₆ = (9 * 8 * 7)/(3 * 2 * 1)

⁹C₆ = 504/6

⁹C₆ = 84

Hence, 9 roles can be assigned to 5 people in 84 ways.

Learn more about combination here:

https://brainly.com/question/16705925

#SPJ5

The missing option is

E. 84

Answer:

A

Step-by-step explanation:

Answer: C-rowdy

- Rowdy is being noisy and the question is asking you to describe Jackson's crowds who attended the ceremony.

Answer:

7/11

Step-by-step explanation:

There are 11 numbers with only 7 numbers with a multiple of 5.

Answer:

7/11

Step-by-step explanation:

first, you must determine which numbers are multiples of five. multiples of five are numbers 5 or greater that end in 0 or 5. for example, 5,10,15,20,25... . from this list, you can tell that 7 of these numbers are multiples of 5 : 55,30,50,40,40,45,25 . Next, you count the total amount of numbers. there are 11 numbers in the list. so, the probability of randomly choosing a multiple of 5 is 7/11 :)

Answer:

4 to 7

Step-by-step explanation:

d and q go in to a frasesal angle langatuide.