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vfiekz [6]
2 years ago
15

There are 90 people in the lunchroom. If there are 9 times as many students as teachers, how many students are in the lunchroom?

Mathematics
1 answer:
uranmaximum [27]2 years ago
5 0

Answer:

there are 80 students

Step-by-step explanation:

you divide 9 by 90 to find how many teachers there are, then subtract it by 90

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3.2. The decimal point moves left once because there's only one 0

Step-by-step explanation:

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The quotient of x and 7 is equal to 13. Define variable and then write an expression to model the situation
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6 0
3 years ago
Which of the expressions below has a 1 in the thousandths place of the sum? Select all that apply. A) 32.474 + 16.577 B) 23.452
Paraphin [41]

Answer:

A) 32.474 + 16.577

     = 49.051

C) 19.213 + 4.578

     = 23.791

Step-by-step explanation:

Place value may be defined as the positional system of a notation where the position of any number with reference to the decimal point determines the value of that number.

A) 32.474 + 16.577

     = 49.051

B) 23.452 + 31.561

   = 55.013

C) 19.213 + 4.578

     = 23.791

D) 8.128 + 9.192

   = 17.32

We have to find the expression which contains 1 in the thousandths place in the sum.

We know after the decimal point, the place value are designated as tenths, hundredths, thousandths, and so on.

Therefore, A). 49.051 and C). 23.791 has a place value of 1 in its thousandths place.

6 0
3 years ago
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