Unfortunately, multiplying and dividing decimals this effect does not occur. In some cases, the decimal number even complicates the operatsii.Dlya beginning, we introduce a new definition. We will meet him very often, and not only in this part of uroke.Znachaschaya - is all that is between the first and the last non-zero digit, including the ends. It's only about numbers, the decimal point is not uchityvaetsya.Tsifry included in the meaningful part of the number, are called significant figures. They may be repeated or even be zero.
Answer:
She catered for 40 people.
Step-by-step explanation:
According to the information given, you can write an equation that indicates that 30 people multiply for its cost that is $10 plus the number of people after 30 for its cost that is $9 is equal to $390. According to this, the equation is:
10(30)+9x= 390, where
x= number of people after 30
Then, you can solve for x:
300+9x= 390
9x=390-300
9x= 90
x=90/9
x=10
The answer is that she catered for 40 people, 30 people at a cost of $10 and 10 people for a cost of $9.
Answer:
Option C, x/12
Step-by-step explanation:
<u>Step 1: Convert words into an expression</u>
Which expression represents how many years are in x months?
x/12
<em>Because this will give us the amount of months over 12 which gives us the amount of years.</em>
<em />
<u>Example: Find out how many years are in 30 months</u>
x/12
30/12
<em>2.5 years</em>
<em />
Answer: Option C, x/12
The possible values of z is an illustration of the sum operator
The sum of all possible values of z is 17
<h3>How to determine the possible sum of z?</h3>
The conditions in the question are:
x <= y <= z
xyz = 2(x + y + z)
Using the trial by error method, the possible values of x, y and z are:
- x = 1 , y = 3 , z = 8
- x = 1 , y = 4 , z = 5
- x = 2 , y = 2 , z = 4
The sum of the z values are:
z = 8 + 5 + 4
Evaluate the sum
z = 17
Hence, the sum of all possible values of z is 17
Read more about the sum operator at:
brainly.com/question/2475734
Answer:
5437
Step-by-step explanation:
Subtract the original amount 6,719 and 1282
you get 5,437
Hope this helps!
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