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fenix001 [56]
3 years ago
13

15 is 60% of what number?

Mathematics
2 answers:
Elina [12.6K]3 years ago
8 0

Answer: 25

Step-by-step explanation:

60 percent (calculated percentage %) of what number equals 15? Answer: 25.

vlada-n [284]3 years ago
6 0

Answer:

25

Step-by-step explanation:

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The graphs below show measurements from cubes
UNO [17]

Answer:

the first one and the third one

Step-by-step explanation:

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2 years ago
Pleas help i will mark branlist
koban [17]
D because your making the shape smaller 2 times
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3 years ago
According to Boyle’s law, PV= K, what was the volume at the time of the first measurement given the following information? Round
Temka [501]
<h2>Hello!</h2>

The answer is:

The first measurement of volume is equal to 835.23 mL.

<h2>Why?</h2>

Boyle's Law equation can be used when the temperature is kept constant, and it establishes a relation between the pressure and volume, showing that when an ideal gas is kept constant, the pressure and volume are inversely proportional.

So, we Boyle's Law equation states that:

P_{1}V_{1}=P_{2}V_{2}

Where,

P_1=FirstPressure\\V_1=FirstVolume\\P_2=NewPressure\\V_2=NewVolume

Now, if we are looking for the first volume measurement, we need to rewrite the equation as follow:

P_{1}V_{1}=P_{2}V_{2}\\\\V_{1}=\frac{P_{2}V_{2}}{P_{1}}

So, substituting the given information and calculating, we have:

V_{1}=\frac{8.59atm*527mL}{5.42atm}

V_{1}=\frac{4526.93atm.mL}{5.42atm}=835.23mL

Hence, the first measurement of volume is equal 835.23 mL.

Have a nice day!

8 0
3 years ago
A sporting goods store is having a closeout on a certain style of running shoes. They are marked 55% off the regular price. The
sweet-ann [11.9K]

Answer:

43.97

Step-by-step explanation:

just minus both the numbers but dont forget to put the percentage after the 55

5 0
2 years ago
Select option that continues pattern? 3,-6,12,4,20
harkovskaia [24]
The pattern is - 8 so the answer is 12.
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3 years ago
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