PLS HELP ME EXPLAIN ITS VERY EASY TO DO BUT ITS HARD TO EXPLAIN AT THE SAME TIME PLEASE HELP
1 answer:
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Answer:
x = 15 cm
Step-by-step explanation:
All the ratio of corresponding sides should be equal
10 corresponds to x
16 corresponds to 24
12 corresponds to 18
<em>Finding the ratio of the known pairs:</em>
<em>Similarly 10 is to x should be 2 is to 3. Finding x:</em>
So x = 15.
<h2>Hello!</h2>
The answer is:
a) Her reasoning is incorrect, she applied a wrong operation, the way to simplify the expression was using the square root property. If we want to extract a number of a square root, we must square that number first in order not to modify the expression.
b) We have that:
and rounding to the nearest tenth, we have that:
To solve the problem, we need to remember the following property of square roots:
We are given the expression:
We can rewrite it by the following way:
Now, applying the square root property we have:
Therefore,
a) Her reasoning was wrong, she applied a wrong operation, the way to simplify the expression was using the square root property. If we want to extract a number of a square root, we must square that number first in order not to modify the expression.
b) We have that:
and rounding to the nearest tenth, we have that:
Have a nice day!