JUAN SAYS, WHEN YOU PUT TOGETHER UNEQUAL GROUPS,YOU CAN ONLY ADD. IS HE CORRECT ? EXPLAIN.

2 answers:

5 0

If you treat multiplication as repeated addition, then yes, Juan is correct. Only equal groups can be multiplied.

Tresset [83]3 years ago

3 0

Answer: The answer is yes.

Step-by-step explanation: According to Jaun, when we put together unequal groups, we can only add. We are to check whether he is correct or not.

Let us consider the addition of unequal groups and let the groups be linear polynomials (x-1), (x-2) and (x-3).

Then, adding these, we have

(x-1)+(x-3)+(x-4) = x-1+x-3+x-4 = 3x-8. Therefore, addition is the only thing that is possible here. We cannot multiply or use any other mathematical operation.

Again, let us consider the addition of equal groups (x-3), (x-3) and (x-3). Adding these, we have

(x-3)+(x-3)+(x-3) = 3x-9 = 3(x-3), i.e., addition can be written in multiplicative form too in case of equal groups.

Thus, when we put together unequal groups, addition is the only operation possible. Jaun is absolutely correct.

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one rectangle measures 2 units by 7 units. a second rectangle measures 11 units by 37 units. are these two figures scaled versio

Amanda [17]

Answer: The both triangle are not scale version to each other.

Explanation:

It is given that the one rectangle measures 2 units by 7 units. a second rectangle measures 11 units by 37 units.

The two shapes are scaled version of each other if their corresponding sides are in same proportion. In other words the if two shapes scaled version of each then the shapes are similar.

The sides or first rectangle are 2 and 7. The measures of second rectangle are 11 and 37.

The proportion of small side is,

$\frac{2}{11}$