Do (12 + 6) ÷ 2 and 12 + 6 ÷ 2 have the same answer? explain why.

Answers

Answer 1

Answer:

No the two expressions (12 + 6) ÷ 2 and 12 + 6 ÷ 2 will not have the same answer.

What is an expression?

Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication and division.

The value of the two expressions will be calculated by using the concept of BODMAS as follows:-

( 12 + 6 ) ÷ 2 = 18 ÷ 2 = 9

12 + ( 6 ÷ 2 ) = 12 + 3 = 15

Therefore the two expressions (12 + 6) ÷ 2 and 12 + 6 ÷ 2 will not have the same answer.

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Answer 2

Answer: no they do not. the order of operations (GERMDAS) says that you divide and multiply before adding or subtracting. This means that without the parentheses, the answer is 15.
with the parentheses, because you solve what is in the parentheses first, the answer is 9.

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Write the slope intercept form of the equation of each line. 3x-2y=-16
13x-11y=-12
9x-7y=-7

Answers

$y=ma+b\n\n\n3x-2y=-16\ \ /-3x\n-2y=-3x-16\ \ /:(-2)\n\ny=(-3x-16)/(-2)\n\ny=(-3)/(-2)x+(-16)/(-2)\n\ny=(3)/(2)x+8\to m=(3)/(2)$

$13x-11y=-12\ \ /-13x\n-11y=-13x-12\ \ /:(-11)\n\ny=(-13x-12)/(-11)\n\ny=(-13)/(-11)x+(-12)/(-11)\n\ny=(13)/(11)x+(12)/(11)\to m=(13)/(11)$

$9x-7y=-7\ \ /-9x\n-7y=-9x-7\ \ /:(-7)\n\ny=(-9x-7)/(-7)\n\ny=(-9)/(-7)x+(-7)/(-7)\n\ny=(9)/(7)x+1\to m=(9)/(7)$

Answer:

The correct answer is A. 3y = 2

Step-by-step explanation:

What are four requirements for successfully meeting the challenges of life? * A.food, oxygen, environment (shelter) and water B.food, water, environment (shelter), heat C.food, oxygen, diversity and population

Answers

the correct answer is A you need food, oxygen and water these are must haves then shelter or environment is one of the fundamental principals of life

A because if u don;t have food u would die and oxygen if there is know oxygen u can die enviornment same thing so these are so so so important thing in your life also there is no option for this but your parents are also important I hoped understand and I hope it help:)

Gianna is paid $90 for 5 hours of work.a. At this rate, how much would Gianna make for 8 hours of work?
b. At this rate, how long would Gianna have to work to make $60?

Use a ratio table to solve.

Answers

A for 8 hours of work its 144$
B a little more than 3 hours for 60$
Hope this helps

25 divided by 405 with working

Answers

$25:405=(25)/(405)=(5\cdot5)/(81\cdot5)=(5)/(81)$

OR:
      0.0 6 1 7 2 5 9 2 3 4 5 6 7 9 0 1 2
   2 5.0 0    :4 0 5
   - 2 4 3 0
   7 0 0
      -     4 0 5
   2 9 5 0
   - 2 8 3 5
      1 1 5 0
   -     9 1 0
   2 4 0 0
   -    2 0 2 5
      3 7 5 0
       -    3 6 4 5
   1 0 5 0
      -    9 1 0
      1 4 0 0
      -    1 2 1 5
   1 8 5 0
   -    1 6 2 0
      2 3 0 0
   - 2 0 2 5
   2 7 5 0
   -    2 4 3 0
3 2 0 0
   -    2 8 3 5
   3 6 5 0
-    3 6 4 5
5 0 0
   -    4 0 5
   9 5 0
   - 8 1 0
   1 4 0

We've got the same difference before. That means numbers will be repeated.
So:
25:405 = 0.0 6 1 7 2 5 9 2 (3 4 5 6 7 9 0 1 2)

A sporting goods store sold 2.5 times as many footballs as basketballs last year. Which statement is true?1.The ratio of footballs to basketballs is 2:5
2.If a total of 35 footballs and basketballs were sold, 10 of them were footballs.
3.There were 5 footballs sold for every 2 basketballs.
4.The ratio of basketballs to footballs is 5:2.