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Marta_Voda [28]
2 years ago
5

A teacher finishes explaining a new concept to the class and wants to check that all the students have grasped the concept. The

teacher asks those who do not understand to raise their hands. This process leads to which of the following bias(es)?
a) Response bias
b) Measurement bias
c) Both response bias and measurement bias
d) neither response bias nor measurement bias
Mathematics
1 answer:
faust18 [17]2 years ago
3 0

Answer:

response bias

Step-by-step explanation:

because whan you are asked a question you expect response in return

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A farmer has a piece of land with an area of 4 square yards. If a cow can graze grass at a rate of 2 square feet per hour, how l
Lunna [17]

Answer:

2 hours

Step-by-step explanation:

4 square yards to feet: 4*3 = 12ft

3 cows grazing grass at 2 ft per hour: 2*2 = 6 square ft per hour

Time taken: 12ft/6ft per hour = 2 hours

8 0
1 year ago
Cody and Brad bought pizza for the class party. Cody bought 12 pizzas for $15 each.
tankabanditka [31]

Answer:

brad paid more

Step-by-step explanation:

15/12=1.25

and 12/8=1.50

so brad paid more on pizza

3 0
2 years ago
Read 2 more answers
Bailey has an hour to get ready for school. She spends 3/6 of the time getting dressed. She spends 1/4 of that time eating break
Katen [24]
Well, to find out whether she spent more time getting dressed or eating breakfast, we simply have to compare the fractions of the hour that she took on each.
We know that she took 3/6 of an hour to get dressed and 1/4 of an hour to eat breakfast. To find out which activity she spent more time on, we simply need to see which fraction is bigger.
To do this, we must first reduce the fractions to lowest terms. 1/4 is already in lowest terms, so we can leave that alone. 3/6 can be reduced, however, and since 3 goes into 6 twice, it reduces to 1/2.
Now, we can compare the fractions.
Is 1/2 of an hour or 1/4 of an hour more?
The answer is 1/2, so now we know that Bailey spent more time getting dressed than eating breakfast.
Hope that helped! =)
6 0
3 years ago
Please help with numbers 12 13 14 thanks
storchak [24]
Try A in ur calculations
4 0
3 years ago
Marisol left Los Angeles at 2:30 to drive to Santa Barbara, a distance of 95 miles. The traffic was heavy until 3:20. She drove
Lesechka [4]

Answer:

Step-by-step explanation:

Let x be the speed in heavy traffic and y be the speed in light traffic in miles per hour.

Total distance = 95 miles

Time taken in heavy traffic = 50 minutes = \frac{5}{6} hour

We know that Distance=speed\times time

Distance traveled in heavy traffic = d_1=\frac{5}{6}x

Time taken in light traffic = 1 hour

Distance traveled in light traffic = d_2=1\times y=y

Since, Total distance = 95 miles

\Rightarrow\ d_1+d_2=95\\\Rightarrow\frac{5}{6}x+y=95\\\Rightarrow\ 5x+6y=570..........(1)

Also, Her speed in heavy traffic 40 miles per hour slower than her speed in light traffic.

\Rightarrow\ y-x=40.............(2)

Multiply this equation by 5 on both sides, we get

5y-5x=200..................(3)

Add (3) and (1), we get  (5x will be cancelled)

11y=770\\\Rightarrow\ y=70

From equation, (2), we get

70-x=40\\\Rightarrow\ x=30

Hence, Her speed in heavy traffic is 30 miles per hour and in light traffic is 30 miles per hour.

8 0
3 years ago
Read 2 more answers
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