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Nataliya [291]
3 years ago
11

What is 6 1/2 - 2 2/5 - 2 1/2 =

Mathematics
1 answer:
VikaD [51]3 years ago
4 0

Answer:

1 3/5

Step-by-step explanation:

Change to mixed fractions, that'll give:

13/2 - 12/5 - 5/2

Using lcm:

16/10

Change back to mixed fractions:

1 6/10

Lowest term:

1 3/5

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yes

Step-by-step explanation:

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3 years ago
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Cylinder a has a mass of 3 kg and cylinder b has a mass of 8 kg. Determine the speed of a after it has moved 2 m starting from r
german

The rate of change of an object's velocity with respect to time is defined as acceleration. The speed of a after it has moved 2m starting from rest is 1.98 m/s².

<h3>What is acceleration?</h3>

The rate of change of an object's velocity with respect to time is defined as acceleration. Vector quantities are accelerations. The orientation of an object's acceleration is determined by the orientation of its net force.

We can see that the acceleration of 3kg mass is double that of the 8kg mass. Therefore, Writing the force conservation equations altogether,

(T - 3g)/3 = 2(8g - 2T)/8

T= 3.6*g

Now, the Acceleration of 8kg mass can be written as

a = (8g - 2T)/8

  = 0.8g/8

  =0.1g

Therefore, acceleration of mass 3kg = 2×a = 0.2g

Further, as per the law of motion we can write,

v² - u² = 2as

Substituting the values, u =0; a=0.1g; s=2m; we will get,

v=1.98m/s

Hence, the speed of a after it has moved 2m starting from rest is 1.98 m/s².

Learn more about Acceleration:

brainly.com/question/12550364

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3 0
2 years ago
What is the place value of 5 in 7,832.951
Montano1993 [528]
Answer: hundredths
explain: the 9 is in the tenths then the 5 is in the hundredths and the 1 is in the thousandths
4 0
3 years ago
HELP!!!!!!!!!<br> Please!
beks73 [17]

Answer:

I believe the answer would be 21xy + 6x^2

3 0
3 years ago
Amy said 4/9 of her teammates got hits during a recent softball game. Which decimal represents this same amount?
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Answer:

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