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klasskru [66]
3 years ago
11

Identify the kind of sample that is described

Mathematics
1 answer:
ELEN [110]3 years ago
5 0

Answer:

Cluster sampling

Step-by-step explanation:

Choosing groups and sampling whole group.

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A ladder is leaning against a building and makes 28 degree angle with the ground.
Dominik [7]

To solve this problem you must apply the proccedure shown below:

1- You have that the laddder makes an angle of 28 degrees with the ground and the top of the ladder reaches 35ft.

2- Therefore, you have:

Sin\alpha =\frac{opposite}{hypotenuse}

Where:

opposite=35\\ hypotenuse=length\\ \alpha =28degrees

3-You must substitute values and solve for the lenght, as following:

Sin(28)=\frac{35}{lenght}  \\lenght=\frac{35}{Sin(28)}  \\ lenght=75ft

Therefore, the answer is: 75ft

7 0
4 years ago
Based on the information in the diagram, can you prove that the figure is a parallelogram? Explain
kvv77 [185]

Yes, we can prove that the given figure is a parallelogram.

From the given figure, we can see that the given quadrilateral opposite angles and congruent.  And we know that if a quadrilateral has two opposite angles congruent, then the quadrilateral  is a parallelogram.

Therefore, we can say that the given figure is a parallelogram.

From the given options, second option is correct.

Therefore, the correct option is:-

Yes, opposite angles are congruent.

4 0
3 years ago
If sally has 3 apples and johnny has 17 bananas,how many is that combined?
svp [43]

Answer: 20

Step-by-step explanation: because 3+17=20

3 0
4 years ago
Read 2 more answers
1. Jenny has a brand new home, and would like to be very adventurous in her decorating. She would like to put a series of murals
VashaNatasha [74]

Rectangular implies the area to be length times height  

let height=x  

let width=2 more than the height or Length=2+x  

Area=F(x)=(2+x)(x)=2x+x^2  

f(x)=x^2+2x  

****************To Answer your Additional question  

You see the standard price is $100 for any mural, And also charges $40 per square foot.  

So to show you the approach, Lets say that a mural of 1 square feet needs to be painted, then the charge will be $100 plus the $40 for every square feet, then it will be 100+40(1 square feet)=$140.  

The problem asks for the charge of mural whose area is x, so lets do the same thing.  

$100+40(x square feet)=100+40x and that is the function that gives the price of mural with an area of x.

so, g(x)=100+40x

7 0
3 years ago
If you don’t know how to solve this equation, please skip my question and answer someone else’s question(s). Using either slope-
Vsevolod [243]

Answer:

You were close; you don’t have to add 3x to the right side though.

We’re given 2y= -3x + 6

Step one: divide both sides by 2

y= (-3/2)x + 3

5 0
3 years ago
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