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AysviL [449]
3 years ago
7

An education researcher randomly selected 48 middle schools from across the country and interviews every teacher of the selected

schools. Which sampling method did he use?
Mathematics
1 answer:
swat323 years ago
8 0

Answer:

graphs

Step-by-step explanation:

the answer is graph

it can be any graphs (pie chart, bar graph)

the question doesn't say about the data collected

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Put the decimals in order from least to greatest <br><br> 1.04, 0.9, 0.621, 1.5
yKpoI14uk [10]

0.621, 0.9, 1.04, 1.5

8 0
4 years ago
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The inverse of the relation y = 9x – 4 can be obtained graphically by:
ser-zykov [4K]
D) a reflection in the line y = x
4 0
3 years ago
Without building the graph find the coordinates of the point of intersection of the lines gIven by the equations y=2x+3 and 3x+y
Natali5045456 [20]

Answer:

intersection is (1,5)

Step-by-step explanation:

plug one equations into the other

y=2x+3

3x+y=8

3x+2x+3=8

simplify

5x+3=8

subtract 3

5x=5

x=1

plug x into one equation

y=2+3=5

intersection is (1,5)

7 0
3 years ago
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Angelina_Jolie [31]
Let’s choose the first one, and do the proportions.

x/30 = 90/100
Cross multiply and you have
100x = (30)(90)
100x = 2700
x = 27

And the fourth one: multiply by the decimal equivalent of the percent.
90% = 90/100 = 0.9
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You chose these because your “online tutor” finds them easiest to explain XD
4 0
3 years ago
The table shows the total cost for different numbers of jackets. Number of jackets 2 5 7 Total cost ($) 46. 50 116. 25 162. 75 W
Bond [772]

The cost price of 1 jacket is $23.25 and the cost price of 3 jackets is $69.75.

<h3>What is the cost price?</h3>

Cost price is the total amount of money to produce a given product or provide a given service.

Given cost prices for jackets are,

Jackets Cost Price

2         46.5

5         116. 25

7         162. 75

We need to calculate the cost price of 3 jackets. First, we need to find out the cost price of one jacket.

2 \; \rm Jackets =\$ 46.50

1 \;\rm Jacket = \dfrac {\$46.50}{2}

1 \;\rm Jacket = \$ 23.25

Now the cost price of 3 jackets is given as,

3\;\rm Jackets = \$23.25 \times 3

3\;\rm Jackets = \$69.75

Hence we can conclude that the cost price of 3 jackets is $69.75.

To know more about the cost price, follow the link given below.

brainly.com/question/11027396.

7 0
2 years ago
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