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3 years ago

8

What is 8x + -13x I just want to see if the answers are as quick as it says it is

2 answers:

klasskru [66]3 years ago

7 0

The answer is -5x. Since your adding like terms it's just subtraction because they are different value integers, one is negative and one is positive. When two opposite integers(+ and -) are being added it is just taking away from the negative what the positive value is. If the positive is greater than it may turn the answer into a positive. Example: 12+-2= 10<-- changed

Dafna1 [17]3 years ago

4 0

- 5x.
In case you actually want to know how I got it:
the question is just saying "8x - 13x".
8 - 13 = -5

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2 years ago

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2 years ago

What is the perimeter of quadrilateral ABCD?

alex41 [277]

Answer:

Perimeter of quadrilateral $ABCD$ will be $104$

Step-by-step explanation:

Given quadrilateral $A'B'C'D'$ is a reflection of quadrilateral $ABCD$ over the line $m$ .

So, all the corresponding sides of both the quadrilateral should be equal.

Also, we can see from the diagram that $A'D'=32,\ A'B'=22,\ BC=20,\ and\ CD=30$

As both image are reflection of same scale we can add corresponding sides.

So, the perimeter of $ABCD$ will be

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3 years ago