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2 years ago

2 diminished by 7 times a number

Mathematics

1 answer:

jolli1 [7]2 years ago

3 0

The answer is 2-7x I'm 100% sure

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What is the digit in 913 and where's the digit in the tens place and the value of the digit tens someone answer for my homework

lorasvet [3.4K]

4. Period with the digits 913 is called thousands period.
5. The digit in the ten thousand place is 1.
6. The value of 9 is hundred thousands.

Hope it will help you :)

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3 years ago

Read 2 more answers

It’s just 2.a answer please

Inessa05 [86]

You have to convert the 30 inches into you know what and add them all together

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3 years ago

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

2 years ago

Please help immediately!!

JulijaS [17]

Answer:

hjd

Step-by-step explanation:

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2 years ago

Help!!!!!!!!!.!.!.!.!.

m_a_m_a [10]

Answer:

Step-by-step explanation:

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2 years ago