MATHEMATICS MIDDLE SCHOOL

on the subway eight out of 11 people are carrying a briefcase based on this information if there are 700 people on the subway then about how many do not have a briefcase

Answers

Answer 1

Answer:

509 people.

$700 / 11 = 63.6363$

$8 * 63.6363 = 509.094$

you can't have 0.094 of someone so we round the answer off the 509.

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Sara reduced the time it takes her to run a mile from 8 minutes to 6 minuets. what was Sara's percent decrease in the time it takes her to run a mile

Answers

Answer:

Saras percent should be 2% If Im wrong please correct me :)

Jill says that 12.6 repeating is less than 12.63. Explain her error.

Answers

She is wrong because 12.66 is greater than 12.63. The last digit of 12.66 (6) is larger than the last digit of 12.63 (3) Even if 12.6 keeps on going (12.66666.....) 6 will always be bigger than 3.
Hope that helped :)

12.6 repeating is the equivalent of 12.666666666666 and so on but if you rounded, it would be 12.67. So, compare 12.67 and 12.63. 12.67 is larger.

How does your answer help you solve a division equation such as X over 7 equals 2

Answers

I am unsure of what you are asking, but x/7=2, and x=14.

How to divide 8/9?:)

Answers

8 divided by 9 is
8 ÷ 9 = 0.889
8 over 9 = 0.889
8⁄9 = 0.889

Answer:

Step-by-step explanation:

0.8888888888888889 is the answer i hope idk :|

Add.18 5/12+8 10/17+23 7/12+28 7/17 A.77 B. 77 1/2 C.78 1/2 D.79

Answers

Im pretty sure its D.79....Hope this helps

What is the value of the expression?

(–2)5

Answers

The answer of -10

what is expression?

An expression in math is a sentence with a minimum of two numbers/variables and at least one math operation in it. Let us understand how to write expressions. A number is 6 more than half the other number, and the other number is x. This statement is written as x/2 + 6 in a mathematical expression. Mathematical expressions are used to solve complicated puzzles.

An expression is a combination of terms that are combined by using mathematical operations such as subtraction, addition, multiplication, and division. The terms involved in an expression in math are:

Constant: A constant is a fixed numerical value.
Variable: A variable is a symbol that doesn't have a fixed value.
Term: A term can be a single constant, a single variable, or a combination of a variable and a constant combined with multiplication or division.
Coefficient: A coefficient is a number that is multiplied by a variable in an expression.

Given:

(–2)5

Using integer (-)*(+)= (-)

=-2*5

=-10

Hence, the expression is -10.

Learn more about expression here:

brainly.com/question/14083225

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$(-2)5 = (-1 *2)5 = -1(2* 5) = -1(10) = \boxed{-10}$