MATHEMATICS HIGH SCHOOL

Which expression is equivalent to 36 + 81?9(27 + 72)
9(27 + 81)
9(4 + 81)
9(4 + 9)

Answers

Answer 1
Answer: The equivalent expression to 36 + 81 is 9(4 + 9).
Answer 2
Answer:

Answer:

The answer is 9(4+9)

Step-by-step explanation:

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Estimate each quotient: 63.7 ÷ 9.31 ≈, 93.6 ÷ 31.2 ≈

Answers

63.7 divided by 9.31 is approximately 6.84
and 93.6 divided by 31.2 is approximately (and precisely) 3

Write 11 5/8 as an improper fraction

Answers

11 (5)/(8)=11+(5)/(8)=(88)/(8)+(5)/(8)=(88+5)/(8)=(93)/(8)
11 5/8 as an improper fraction is 93/8

Calculators are sold to students for $20 each. 300 students are willing to buy them for that price. For each five dollars increase in price, there are 30 fewer students that are willing to buy the calculator. a. what selling price will produce the maximum revenue?

b. what will the maximum revenue be?

Answers

Answer:

a) 40$ b) 7600

Step-by-step explanation:

In my opinion, the best way to go about this is to simply start by doing 20×300, 25×270, 30×240, etc. Once I reached 40, I realized that my revenue was going down after it, so I saw that a 40 dollar starting price would being in more money. 40×190 - (the amount of students who will buy at that price) equals 7600, which will be your maximum revenue. I hope i could help, good luck.

Which equation shows a line perpendicular to the line

Answers

Answer:

The second answer: y= 3/4x + 2

Step-by-step explanation:

Subtract 4x to the other side

Divide by 3 to get y by itself

Make the coefficient of the x term the negative reciprocal, for that is the perpendicular slope of the line

What is the answer can someone help me

Answers