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natali 33 [55]
4 years ago
13

Help!!!

Mathematics
1 answer:
german4 years ago
4 0

Answer:

625 cm3

Step-by-step explanation:

Formula V1 * P1 = V2 * P2

V1 = 450 cm3

P1 = 125 kPa

P2 = 90 kPa

V2 = ?

V2 = (V1 * P1) / P2

V2 = (450 cm3 * 125 kPa) / 90 kPa = 625 cm3

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4 years ago
Evaluate the expression when x = 9.2 and y = 3.4.<br> 5xy
Ray Of Light [21]

Answer:

5x9.2x3.4=156.4

Step-by-step explanation:

plug in 9.2 for x and 3.4 for y then multiply

3 0
3 years ago
FIRST CORRECT ANSWER WILL GET BRAINLIEST!!! PLS helppp<br><br> prove that 5^7+5^6 is divisible by 6
seraphim [82]

First, I solve the equation: 5^7+5^6...

I got 93750

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The divisibility rules of 6 are:

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So, let's check if 93750 is divisible by 2 first.

It's in even number which automatically means that it is divisible by 2.

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Now let's check if it is divisible by 3 second.

The divisibility rules of 3 are:

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So, 9 + 3 + 7 + 5 + 0 = 17

17 is NOT divisible by 3.

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4 0
3 years ago
How can i better understand how to do this?
guajiro [1.7K]

Answer:

1.5 cm/s

Step-by-step explanation:

The graph shows the speed of a worm as a relationship between the distance it can travel in centimeters over time, or seconds.  Since the graph forms a straight line, then we know that the speed of the worm is constant over time, meaning that he will move the same distance each second.  Given the point (6,9) on the graph, this tells us that the worm moved 9 centimeters in 6 seconds or:

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So, the ratio of centimeters over seconds is 9/6.  However, unit rate is the distance every second or putting the ratio over '1'.  We can do this by diving the numerator by the denominator or 9 ÷ 6 = 1.5 centimers/second.

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a. y=8x+13

Hope this helps!

6 0
3 years ago
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