Brooke has 15 mate problems 5 social studies problems and 9 science problems use mental math to determine How many problems she has for homework tell wish property You used

Answers

Answer 1

Answer: In your head, you should be able to add 15 and 5. The answer is 20. You should also be able to work out 20 + 9. The answer is 29. The trick to doing well at these types of questions is finding the quickest and easiest method of working them out. It will come with practice :)

Answer 2

Answer: She has 3 problems. Mate (I think you mean Maths), Social Studies and Science. Unless you refer specifically to the number of problems in each of the three major problems, which would be 29. If this was a logic game question then it would be that she had no problems in homework because it's not specified that the problems in the three subjects were homework.

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What is the rule for finding the ratio of the areas of two objects if you know the scale?

Answers

Answer:

The square of the scale

Step-by-step explanation:

Scaling

Suppose we know the scale of the distances, for example, r=5. It means that for each centimeter in the drawing, it corresponds to 5 cm in the real object being scaled. If we wanted to find the ratio of the areas, we would need to scale both dimensions and the ratio would be the square of the scale factor. In our example, the ratio of the areas would be 25, i.e. each square centimeter would correspond to 25 square centimeters

The rule for finding the ratio of the areas of two objects: The square of the scale

12 1/2 as a fraction in the simplest form

Answers

12 = 12/1 = 24/2, 24/2+1/2=25/2 so 25/2, and it's in simplest form because 2 can't go into 25

7+(8+12)=____+12? Which property was used?

Answers

I know the number ypu have to fill in would be 15 I believe that is the commutative or associative property or something with addition

If is distributive property

This is an absolute value equation. I don't know what to do if there is a number with the variable. Pretend the parentheses are the lines in a absolute value problem
( y + 4) lesser than 1
Please explain! :)