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Akimi4 [234]
3 years ago
10

Show how 3 4 × 4 can be solved using repeated addition.

Mathematics
1 answer:
polet [3.4K]3 years ago
7 0

Answer:  34*4=34+34+34+34=136

Step-by-step explanation:

In order to solve this exercise it is important to remember that the  "Repeated addition" is about adding equal groups of numbers.

Therefore, you can solve a mulitplication using the Repeated addition by repeat the same number "n" times in order to find the result..

In this case, you have the following multiplication given in the exercise:

34*4

You can observe that the number 34 is multiplied by 4. This indicates that the result is four times 34.

Then, based on the explained at the beginning of this explanation, you can conclude that you can also solve the given multiplication by repeating the number 34 four times and then adding the groups.

Therefore, you get:

34*4=34+34+34+34=136

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Answer:

B. 8x^2-6x-7

Step-by-step explanation:

All you have to do is combine the like terms.

Like terms are the terms that have the same variable and same exponent.

The like terms in this equation are 6x^2 and 2x^2, 11x and -17x, and -3 and -4.

When you add 6x^2 and 2x^2, you get 8x^2

When you add 11x and -17x, you get -6x

When you add -3 and -4, you get -7.

Putting these all in order, your answer is

8x^2 - 6x - 7

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