How much larger is 0.30 than 0.3

Mathematics

1 answer:

Xelga [282]3 years ago

4 0

They are both equal because in decimals you can add thousands of zeros and it's still equal.

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The following are the ages (years) of 5 people in a room:

slava [35]

Answer:

The age of the person who entered the room is 15

Step-by-step explanation:

We are given:

Ages of 5 people in a room are:

17, 16, 15, 17, 22

A person enters room, and then the mean age of 6 people is 17.

We need to find the age of person who entered the room.

The formula to calculate mean is: $Mean=\frac{Sum\:of\:all\:data\:values}{Number\:of\:data\:Values}$

Now, in question we are given mean of 6 people that is 17

The age of 5 people are given while age of one person who enters the room is unknown.

Let age of person whose age is unknown= x

Now finding x using mean formula

$Mean=\frac{Sum\:of\:all\:data\:values}{Number\:of\:data\:Values}\\17=\frac{17+16+ 15+ 17+ 22+x}{6}\\17=\frac{87+x}{6}\\17*6=87+x\\102=87+x\\x=102-87\\x=15$

So, The value of x: x=15

Hence, the age of the person who entered the room is 15

4 0

3 years ago

PLEASE HELP! URGENT! 35 POINTS!

cluponka [151]

In a triangle, the three interior angles always add to 180°

m∠R + m∠S + m∠<span>T = 180

</span><span>(2x+10) + (2x+25) + (x-5) = 180
</span>2x+10 + 2x+25 + x-5 = 180
5x + 30 = 180
5x = 150
x = 30

5 0

2 years ago

Read 2 more answers

Convert 9255 cm3 to gallons. Express the volume in gallons to four significant figures.

chubhunter [2.5K]

Answer:

2.44491234

Step-by-step explanation:

1 gallon = 3785 cm3

4 0

3 years ago

Finding missing angles please help!!! pls