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posledela
3 years ago
9

The model shows the expression 20 + 16.

Mathematics
2 answers:
Inessa [10]3 years ago
6 0

Answer:

4 (5 + 4)

Step-by-step explanation:

1. the model show 20 + 16 which = 36

2. the first example 4 (5) + 4  which equals 20 + 4 or 24.

3. the second example 4 + 5 + 4  which equals 9 + 4 or 13.

<u><em>4. the third example 4 (5 + 4) , using order of operations, equals 4 x 9 and that equals 36.</em></u>

5. the last examples 5 (4 + 4)  is 5 x 8 which is 40.

That is why the third example is correct!

sesenic [268]3 years ago
5 0

Answer:

4(5+4)

Step-by-step explanation:

20 + 16 = 36

Think of PEMDAS (In this scenario you have parenthesis and addition)

4(5+4) = 20 + 16

4 (9)    =    36

36       =    36

While looking at the other options:

4 (5) + 4 = 24

4 + 5 + 4=13

5 (4 + 4)= 40

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