1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
babymother [125]
3 years ago
15

Which equation illustrates the commutative property of addition?

Mathematics
2 answers:
lbvjy [14]3 years ago
3 0
<span>commutative property of addition
answer is

</span><span>A. 12 + 6 + 15 = 12 + 15 + 6</span>
Arisa [49]3 years ago
3 0
Commutative property means that you can rewrite the equation in a different order. So for example, if I have 3 + 8 + 5 I can rewrite it as 5 + 3 + 8 or 8 + 5 + 3 and so on and so forth. So, we must go over all the options to narrow it down. It isn't B or C, So lets look at D. D shows you 12 + 6 + 15 = 12 + 6 + 15 this is the wrong answer because it does not rewrite the equation. It just repeats itself so lets take a look at option A. A says 12 + 6 + 15 = 12 + 15 + 6 this is the correct answer because it rewrote the equation in a different order but they are still the same numbers.
So the correct answer is
A) 12 + 6 + 15 = 12 + 15 + 6
You might be interested in
Enter the explicit rule for the geometric sequence.<br><br> 9,6,4,83,…
soldier1979 [14.2K]

Answer:

a_n = 2^(n - 1) 3^(3 - n)


Step-by-step explanation:

9,6,4,8/3,…

a1 = 3^2

a2 = 3 * 2

a3 = 2^2

As we can see, the 3 ^x is decreasing and the 2^ y is increasing

We need to play with the exponent in terms of n

Lets look at the exponent for the base of 2

a1 = 3^2  2^0

a2 = 3^1   2^1

a3 =    3^ 0 2^2

an =   3^      2^(n-1)

I picked n-1  because that is where it starts  0

 n = 1   (1-1) =0

  n=2   (2-1) =1

  n=3  (3-1) =2

Now we need to figure out the exponent for the 3 base

I will pick (3-n)

n =1  (3-1) =2

n =2  (3-2) =1

n=3    (3-3) =0

8 0
3 years ago
Lori needs at least 12 liters of water to fill a water cooler. She has a container with 4.55 liters of
Stels [109]

Answer:

<u></u>

  • <u>Yes, she has enough water.</u>

Explanation:

To <em>estimate</em> the value, you can work with friendly numbers: numbers closed to the given numbers and with which you can perform easy mental calculations.

For example 4.55 may be rouned to 5, 4.85 may be rounded to 5, and 3.25 may be rounded to 3. That yields 5 + 5 + 3 = 13

Then, it seems you have about 13 liters. Is the final number equal or greater than 12 for sure?

To round 4.55 to 5 you increased the amount in 0.45, to round 4.85 to 5 you increased the amount by 0.15, and to round 3.25 to 3 you decreased the amount in 0.25.

What was the net change in your values: 0.45 + 0.15 - 0.25 = 0.60 - 0.25 = 0.35. Those are easy calculations that you can perform in your mind.

That means that you increased your total in less than 1 liter. Meaning that the final total is overestimated by 0.35, and that if you used the real amounts to make the calculations, the total will be still more than 12.

4 0
2 years ago
2-5|5m-5|=-73 absoute value
Wewaii [24]
Solutions i found was  m=4 or  m=-2<span>

</span>
6 0
3 years ago
Read 2 more answers
Credit card A offers an APR of 23.16%, compounded monthly, while credit card B offers an APR of 23.02%, compounded daily. All el
GREYUIT [131]
Daily interest rate it's the worst. And it's called simple interest loan
6 0
3 years ago
If the Federal Reserve sells $40,000 in Treasury bonds to a bank at 5% interest, what is the immediate effect on the money suppl
stich3 [128]
If the federal reserve sells $40,000 in treasury bonds to a bank with 5% interest the immediate effect on the money supply is an decrease of $40,000.
6 0
3 years ago
Read 2 more answers
Other questions:
  • The product of eight minus a number and seven equals forty when decreased by five. Which equation represents the sentence?
    8·2 answers
  • What is the domain and range of the following functions? Number 1 please
    13·1 answer
  • Find the coordinates of X. A. (7, 4.5) B. (7, 2.5) C. (3.5, 7) D. (7, 3.5
    13·2 answers
  • #16 plz and the answer and<br> Work plz!!!
    5·1 answer
  • Which answer choice is a solution to the equation 0.5x + 3.5 = 6?
    13·2 answers
  • Dave says:
    8·2 answers
  • Practice multiplying numbers by powers of 10.
    10·1 answer
  • An ordinary (fair) die is a cube with the numbers 1 through 6 on the sides (represented by painted spots). Imagine that such a d
    5·1 answer
  • Blake measures the lengths, in inches, of 10 insects. He records the lengths of the insects on this line plot. He adds the lengt
    10·1 answer
  • g A ball is dropped from a height of 33.6 meters, how long (in seconds) does it take to hit the ground
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!