That is true because a parallelogram has four sides.
Answer:
Exponents are the number of times a number is multiplied by itself.
Square root is a number that has an exact solution when multiplied by itself.
Step-by-step explanation:
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The estimate closest to an average person's weight is 80kg
<h3>How to determine the estimate?</h3>
The weights are given as:
8 kg, 80 kg and 800 kg
To answer this question, I will assume that a person means an adult
An adult that weighs 8 kg is very much under weight
Because the average weight of a person is around 60 to 90 kg
Hence, the estimate closest to an average person's weight is 80kg
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Answer:
i think it might be D or A
Step-by-step explanation:
B is addition C is a fraction
The correct answer is: D) Subtracted like terms incorrectly
Step-by-step explanation:
Given

The terms 11.2y-7.4y need to be subtracted. But option b is to add them. We will add them and then solve the equation to see if its right.
So adding 11.2y-7.4y

Dividing both sides by 18.6

so by adding the terms instead of subtracting we get y=7.6.
this means that the error was adding 7.4y-11.2y instead of subtracting
The correct method will be:

Dividing both sides by 3.8

Hence,
The correct answer is: D) Subtracted like terms incorrectly
Keywords: Linear equation, Expression
Learn more about linear expressions at:
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