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Anna007 [38]
2 years ago
11

Find the missing number in ?/4 = 27/36​

Mathematics
1 answer:
gayaneshka [121]2 years ago
8 0

\text{First I would recommend replacing the question mark with x}\\\text{We have two ratios, }\\\text{and we need to solve that hard-looking equation}\\\text{in terms of x}

\rule{300}{1.7}

\text{We can multiply x times 36:: 36x}\\\text{We can multiply 4 times 27:: 108}

\rule{300}{1.7}

\text{Now it's easier to solve for x:: 36x=108; x=3}\\\text{ (we divided by 36 on both sides of the = sign)}

\rule{300}{1.7}

\text{The missing number is 3}

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What are the mean, median, and mode for the following data set?
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Order the number:
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Mode:78
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3 years ago
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In a collision, a 5 kg mass moving at 2m/s transfers all of its momentum to a 1 kg mass. What is the velocity of the 1kg mass af
statuscvo [17]
Answer:
velocity = 10 m/sec in the same direction as the first body did

Explanation:
The momentum of the body can be calculated as follows:
momentum = mass * velocity

For the first body, we have:
mass = 5 kg
velocity = 2 m/sec
momentum = mass * velocity
momentum = 5 * 2 = 10 kg.m/sec

We know that this momentum is transferred completely to the second body

For the second bode, we have:
momentum = 10 Kg.m/sec
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momentum = mass * velocity
10 = 1 * velocity 
velocity = 10/1
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Finally, we should get the direction of the motion:
Both the velocity of the first and second bodies have positive values. Therefore, the second body is moving in the same direction as the first body did.

Hope this helps :)
6 0
3 years ago
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What is the slope of the line represented by the equation y = -1/2x+ 1/4​
kolbaska11 [484]

Answer:

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Step-by-step explanation:

6 0
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A phone company offers two monthly plans. Plan A cost $23 plus an aditional $0.10 for each minute of calls. plan B cost $19 plus
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Answer:

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6 0
3 years ago
Pls help pls help i will award brainliest.
WINSTONCH [101]

Answer:

-24

Step-by-step explanation:

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:)

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