Is algebra.
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Answer:

) Cluster sample.

Step-by-step explanation:

Here are the options

A) Multistage sample.

B) Stratified sample.

C) Cluster sample.

D) Simple random sample.

E) Convenience sample.

A cluster sample is when a population is divided into groups known as clusters. Samples are then randomly selected from this sample. It is a method of probability sampling used for large populations.

The airline first divided the population of travellers by months travelled. this is the cluster. From within the cluster, 10 samples are then chosen

Advantages of a cluster sample

Disadvantages of a cluster sample

Answer:

assuming the carpet is a rectangle, the missing measurement would be 9 ft.

(63 / 7 = 9)

Answer:

They can W and W.

They can W and D.

They can D and D.

They can L and L.

They can L and D.

They can W and L.

Step-by-step explanation:

Answer:

124858

Step-by-step explanation:

The first 4 digits are simple, you multiply the first digit of the equation by the 2nd digit and then for the other 2 you multiply the first digit of the equation by the 3rd digit.

6 + 2 + 8

6 * 2 = 12

6 * 8 = 48

Then the last 2 digits are the sum of the products of the 1 and 2 and 1 and 3 and subtract it by the 2

12 + 48 = 60

60 - 2 = 58

Put them together

Given:

In a circle, two chords AK and LJ intersect each other inside the circle at M.

Measure of arc AJ = 65 degrees.

Measure of arc KL = 85 degrees.

To find:

The measure of angle KML.

Solution:

Intersecting chords theorem: According to this theorem, if two chords intersect each other inside the circle then the measure of angle on the intersection is half of the sum of intercepted arcs.

Using Intersecting chords theorem, we get

[tex]m\angle KML =\dfrac{1}{2}(arcKL+arcAJ)[/tex]

[tex]m\angle KML =\dfrac{1}{2}(85^\circ +65^\circ )[/tex]

[tex]m\angle KML =\dfrac{1}{2}(150^\circ )[/tex]

[tex]m\angle KML =75^\circ[/tex]

Therefore, the measure of angle KML is 75 degrees.

Answer:

-4

Step-by-step explanation:

Given the function :

c = – 4n + 60

Where, c = cost of participation ;

n = number of persons

The cost equation can be related to the slope intercept, equation ;

y = mx + b

Where, m = Slope or rate of change

b = intercept

Comparing the slope intercept equation to the cost equation ;

m = - 4 ; Hence, the rate of change of cost is - 4

Answer: False

Step-by-step explanation:

All the 100 students engaged in the experiment were picked on the basis that all the students of the university have a chance of being selected. The selected participants must have represented the whole university well.

So, having a 95% confidence interval that the experiment might have atmost 5% error prone is statistically enough and not too wide to give an accurate estimate.

Answer:

A. 75%

Step-by-step

4 * 5 is 20 but when you bring it back down to five you’d be reducing it 75%

the whole thing in a fraction would be 4/4 to 1/4

The price of a movie was reduced from $20 to $5, By the percentage, the price of the video game reduced was 75%.

Suppose the value of which a thing is expressed in percentage is "a'

Suppose the percent that considered thing is of "a" is b%

Then since percent shows per 100 (since cent means 100), thus we will first divide the whole part in 100 parts and then we multiply it with b so that we collect b items per 100 items(that is exactly what b per cent means).

Thus, that thing in number is

[tex]\dfrac{a}{100} \times b[/tex]

The price of a movie was reduced from $20 to $5.

4 x 5 = 20

so, the whole thing in a fraction would be 4/4 to 1/4

From 100% , reducing it by 75%.

By the percentage, the price of the video game reduced was 75%.

Learn more about percent here:

https://brainly.com/question/11549320

#SPJ2

Answer:

sorry i need points :(

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

Step-by-step explanation:

.......

Answer:

Triangle 1 - [tex]m\angle A = 58^{\circ}[/tex], hypotenuse = 16

[tex]x \approx 8.479[/tex]

Triangle 2 - [tex]m \angle A = 44^{\circ}[/tex], adjacent leg = 18

[tex]x \approx 17.382[/tex]

Triangle 3 - [tex]m\angle A = 49^{\circ}[/tex], opposite leg = 12

[tex]x \approx 15.900[/tex]

Step-by-step explanation:

Each triangle is solved by means of trigonometric relations:

Triangle 1 - [tex]m\angle A = 58^{\circ}[/tex], hypotenuse = 16

[tex]\cos 58^{\circ} = \frac{x}{16}[/tex]

[tex]x = 16\cdot \cos 58^{\circ}[/tex]

[tex]x \approx 8.479[/tex]

Triangle 2 - [tex]m \angle A = 44^{\circ}[/tex], adjacent leg = 18

[tex]\tan 44^{\circ} = \frac{x}{18}[/tex]

[tex]x = 18\cdot \tan 44^{\circ}[/tex]

[tex]x \approx 17.382[/tex]

Triangle 3 - [tex]m\angle A = 49^{\circ}[/tex], opposite leg = 12

[tex]\sin 49^{\circ} = \frac{12}{x}[/tex]

[tex]x = \frac{12}{\sin 49^{\circ}}[/tex]

[tex]x \approx 15.900[/tex]

Answer:

It could be simplified as 1:4

Please mark brainliest!

Answer:

20%

I just know :3

Answer:

Part A

False

Part B

True

Part C

True

Part D

True

Step-by-step explanation:

A scatter diagram created with MS Excel shows the data as on the dot plot in a similar question obtained online

The number of students in the group = 92

Part A

The number of students that spend more than 10 hours watching television = 39

Therefore, given that less than half of the student spend more than 10 hours watching television, the statement is false

Part B

The number of students that watch 3 hours of television is the highest than any other time range with 16 students, therefore, the statement is true

Part C

The maximum hours watched by a student in the dot plot is 20 hours, therefore, the statement is true

Part D

The number of hours for which the student watched and which has the highest frequency is 3 hours, therefore, the statement is true as more students have 3 hours as the number of hours watched (16 students) than any other number of hours

Answer:

37 degrees

Step-by-step explanation:

The angles within a triangle always add up to 180 degrees. Right angles are always 90 degrees. 53 + 90 = 143 degrees. 180 - 143 = 37 degrees

Answer:

1/2 = D

Step-by-step explanation:

Let's look on the data we already have.

You can notice that D = 3/6 that equals 1/2

So we can defiantly say that a 1/2 equals D

Answer:

-12

Step-by-step explanation:

Answer:

-1/2

Step-by-step explanation:

(y2 - y1)/(x2 - x1)

(-4 - 1)/(4 - (-6))

-5/10

-1/2

Answer:

y=-17x-25

Step-by-step explanation:

9-9=0

-2-15=-17

(y-9)÷(x+2)= -17

y-9=-17x-34

y= -17x-25

Answer:

y = 7

NO = 5

Step-by-step explanation:

Let the side of the parallelogram LM and NO given be 2y - 9 and y - 2

Since LMNO is a parallelogram, hence;

LM = NO

2y - 9 = y - 2

2y - y = -2 + 9

y = 7

Since NO = y - 2

NO = 7 - 2

NO = 5

Answer:

[tex]C=(0,0)[/tex]

[tex]F=(\pm 4,0)[/tex]

[tex]V=(\pm 5,0)[/tex]

Step-by-step explanation:

From the question we are told that:

The Equation

 [tex]\frac{x^2}{9}*\frac{y^2}{25}[/tex]

Generally

From the Equation

 [tex]a^2=25[/tex]

 [tex]a=5\\b^2=9\\b=3[/tex]

Therefore

 [tex]c=\sqrt{a^2-b^2}[/tex]

 [tex]c=\sqrt{25-9}[/tex]

 [tex]c=\sqrt{16}[/tex]

 [tex]c=4[/tex]

Generally the equation for center is mathematically given by

 [tex]C=(h,k)[/tex]

 [tex]C=(0,0)[/tex]

Generally the equation for foci is mathematically given by

 [tex]F=(h,k \pm c,0)[/tex]

 [tex]F=(\pm 4,0)[/tex]

Generally the equation for vertice is mathematically given by

 [tex]V=(h,k \pm a,0)[/tex]

 [tex]V=(\pm 5,0)[/tex]

Answer:

this is your answer........

Answer: 125

Step-by-step explanation: 20% prefer naxvip juice, which is 1/5 of 100, if 25 people is 20% of the whole sample, 25*5 = 125, would be the answer.

Answer:

55+14sqrt6

Step-by-step explanation:

Answer:

55 + [tex]14\sqrt{6}[/tex]  

Step-by-step explanation:

You can FOIL

[tex](7 + \sqrt{6} )^{2}[/tex] = [tex]49 + 7\sqrt{6} + 7\sqrt{6} + \sqrt{6} ^{2}[/tex]

               = [tex]49 + 14\sqrt{6} + \sqrt{6} ^{2}[/tex]

              = 49 + [tex]14\sqrt{6}[/tex] + 6

              = 55 + [tex]14\sqrt{6}[/tex]  

Answer:

124

Step-by-step explanation:

20*8=160

if you subtract you get 124

brainliest?

Answer:

168 correcction 124 ig

Step-by-step explanation:

11 times 8 = 88

i decided to make it a triangle so for the other side to split in half

10 times 16 divded by 2 = 160 and split it in half i will get 80 thus

80 + 88 = 168

Answer:

B i think

Step-by-step explanation:

Answer:

C

Step-by-step explanation:

cos pie= -1

so (3-(-1)=3+1=4

We apply limits concepts to solve this question. Since the functions have no discontinuity, we just replace the values, and 4 is the answer.

Functions:

The functions are:

[tex]f(x) = 3[/tex]

[tex]g(x) = \cos{x}[/tex]

Limit:

[tex]\lim_{x \rightarrow -\pi} [f(x) - g(x)] = \lim_{x \rightarrow -\pi} [3 - \cos{x}] = 3 - \cos{\pi} = 3 - (-1) = 3 + 1 = 4[/tex]

Thus, 4 is the answer to this question.

For more on limits, you can check https://brainly.com/question/23145093

Answer:

Isolate the variable by dividing each side by factors that don't contain the variable

Exact Form:

x = - 25/8 [tex]\frac{x}{y}[/tex]

Decimal Form:

x = -3.125

Mixed Number Form:

x = - 3/1/8 [tex]\frac{x}{y}[/tex]

Step-by-step explanation:

Answer:

for 18 x is 6 and for 20 it is 11

Step-by-step explanation:

For 18, since -1+2x and 5+x is the same thing, set up and equation. WE can simplify to -1+x=5 and then we get x=6

For 20, 18 is 11 since 18=-4+2x. If we simplify we get 22=2x then we can use algebra to say that x=11

Hope this helps :)

Answer:

18.) x = 6

20.) x = 11

Step-by-step explanation:

18.)

We know that line segments FC and ED are parallel to each other so they are congruent to each other:

-1 + 2x = 5 + x

-1 + x = 5

x = 6

20.)

We know that line segments DE and CF are parallel to each other so they are congruent to each other:

18 = -4 + 2x

22 = 2x

22/2 = x

11 = x

Hope this helps!

Answer:

The baby gained about 3 ounces a day

HOPE THIS HELPS

-Todo ❤️

Step-by-step explanation:

120-96=24

24/8=3

Answer:

X = 44

Step-by-step explanation:

That square means that the angle is 90°, therefore you can subtract 46 from 90 to find x

90 - 46 = 44

Answer:

44

Step-by-step explanation:

That is a right angle so we just need to subtract 46 from 90, and 90-46 is 44. So 44 is the missing angle

Pls brainliest :D