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Tju [1.3M]
2 years ago
10

PLEASE HURRY i need an answer now please help

Mathematics
1 answer:
blondinia [14]2 years ago
8 0

Answer:

2 hours

Step-by-step explanation:

10/50 * 10 = 2

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I need help on both of the question
garri49 [273]

Answer:

:)

Step-by-step explanation:

1/2 times 5= 5/2= 2   1/2

3/4 times 8= 24/4= 6

1=5/2

2=24/4 or 6

6 0
3 years ago
Can you please help me with this?
vfiekz [6]
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3 years ago
Solve pls i give brainlist to correct answer.
DIA [1.3K]

Answer:

Maggie can run faster by 0.85 minutes.

Maggie runs in 5.20 minutes, Olivia runs in 4.35 minutes.

Step-by-step explanation:

Maggie = can run a mile in 5.2 minutes (1.3/0.25)

Olivia = can run a mile in 4.35 minutes (2.9/0.666666667)

5.2-4.35= 0.85 minutes

5 0
2 years ago
A statistics instructor likes to assign the material as reading in the textbook and then give a pretest before covering the mate
klio [65]

Answer:

b. The student's scores on the posttest would have a smaller standard deviation.

Step-by-step explanation:

The first test is taken before the material is covered in class so we expect the standard deviation to be high because not everyone's scores would be lying close to the mean. Equal number of students mastered most, some or almost none of the material from reading the textbook based on the pretest result. this means the data is varying, so the standard deviation is large.

Whereas, after the teacher has taught the material and given the homework, they must have understood most of the material. The test they take after teaching as a post test. The results of the post test would have a smaller standard deviation as most of the students would have scored good. Hence, the student's scores on the posttest would have a smaller standard deviation.

8 0
3 years ago
Jocelyn estimates that a piece of wood measures 5.5 cm. If it actually measures 5.62 cm, what is the percent error of Jocelyn’s
lorasvet [3.4K]

Answer:


Step-by-step explanation:

difference/actual lengthx100

0.12/5.5x100=2.18%

4 0
3 years ago
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