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alekssr [168]
2 years ago
14

Use the Associative Property of Addition to write an expression equivalent to r+ (h+t). r+ (h+t) = Enter your answer in the answ

er box. Save for Later
Mathematics
1 answer:
svlad2 [7]2 years ago
4 0

Answer:

Associative propertry of addition.

Step-by-step explanation:

The associative property of addition states that:

a+(b+c) = (a+b)+c

It states that we can add numbers regardless of the groups. The sum does not change  irrespective of how the addends are grouped.

We are given the expression:

r + (h + t)

It can be written as:

(r+h) + t

It can also be written as:

r + (h+t) = (r+t) + h = (h+t)+r = h + (t+r)

Whatever maybe the arrangement of r, h and t, their sum will always be equal. We can regroup them in many ways but the sum remains the same.

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Kaylin buys a greeting card for $3.79. she then buys 4 postcards that all cost the same amount. the total cost is $5.11. how muc
Pie

Answer:

Step-by-step explanation:

Givens

Greeting Card = 3.79

Total Cost = 5.11

Post cards = x

Equation

Total Cost = Greeting Card + 4x

Solution

Substitute the gives into the equation

5.11 = 3.79 + 4x                       Subtract 3.79 from both sides

5.11 - 3.79 = 3.79 - 3.79 + 4x  Combine

1.32 = 4x                                  Divide by 4

1.32/4 = 4x/4

x = 33

Each post card costs 0.33 dollars

4 0
2 years ago
I just need b and c please thx. ​
cricket20 [7]

The answer for b is 18 ; 2×6 +3×2

then for c. 24; 2×6×2

5 0
2 years ago
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marquis is redecorating his bedroom. what could marquis use the area formula to find? (A)how much space should be in a storage b
sladkih [1.3K]
C. The amount of paint needed to cover a wall
4 0
3 years ago
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Help me please. i have been doing this for a long time
Minchanka [31]

Answer:

I am deeply sorry.

Step-by-step explanation:

I am really sorry about how long it takes you to do "this". My best advice is to take a break and think it out slowly.

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2 years ago
35 equals:<br> A. 53<br> B._35<br> D.243<br> E. 81
Zepler [3.9K]

If you meant to say 3^5 or 3^5, then,

3^5 = 3*3*3*3*3 = 243 (there are five copies of '3' multiplied)

So the answer would be choice D) 243.

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2 years ago
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