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Ber [7]
3 years ago
9

Which of the following is a random sample? *

Mathematics
1 answer:
Lynna [10]3 years ago
6 0

Answer:

C.

A teacher put the names of students in a hat and pulled out 10.

Step-by-step explanation:

All the other answers had some factor which would cause the answer to lean a certain way. For example, for answer D, Rebecca sent an email, which can be only sent using the internet, to ask how long people are on the internet. All the people that got the email probably use the internet longer than an average person does, making the answer, biased.

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2. Gerald was given the following problem to solve for the length of the "?". He has made a mistake in his work.
Degger [83]

Answer:

x = 18.7

Step-by-step explanation:

Gerald's answer is almost correct.  

He just needs to switch the 14 and the x.

it should be

24/x = 18/14

solve for x by cross multiplication

18x = (24)(14)

18x = 336

x = 18.7

5 0
3 years ago
Help if you can, thanks.
Leya [2.2K]

Answer:

what question baby girl

Step-by-step explanation:

7 0
2 years ago
Find the slope of the line that passes through the points (10, -2) and (10,-6)
defon
-6+2
--------- =
10-10
-4
---- =
0
m=0
*(the "-----" are supposed to be fractions, sorry if that looks confusing)*

y+2=0(x-10)
y+2=0
-2 -2
y=-2

Your answer would be "y=-2."
4 0
3 years ago
WILL GIVE BRAINLIEST
wlad13 [49]

A) Tonya bought 3 games at X price, so 3X would be total amount.

B) Tony's cost was 0.50 less than X, so x-0.50, he bought 4 games, so he spent 4(x-0.50).

C) Set those to equal to solve for x:

3x = 4(x-0.50)

D) Solve:

3x = 4(x-0.50)

Distribute:

3x = 4x - 2

Subtract 4x from both sides:

-X = -2

Multiply both sides by -1:

X = 2

E) Since X is the amount Tonya paid per game, Tony paid X - 0.50, so Tony paid 2 - 0.50 = $1.50 per game.

Check:

Tonya:  3x = 3(2) = $6 total

Tony: 4(x-0.50) = 4(2.00 - 0.50) = 4(1.50) = $6 total

8 0
3 years ago
Read 2 more answers
These are the weekly wages paid to staff in a hotel. £245 £140 £525 £163 £195 £174 £140 What is the median of these wages?​
trapecia [35]

226 should be the median of the wages.

5 0
3 years ago
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