Answer:
it could be -50.35 and 50.35 since the absolute value is just the positive value of the number
Answer:
173.83
Step-by-step explanation:
17.4 * 9.99
173.826 ~ 173.83
Since 3 squared is 9 and 4 squared is 16, the square root of 13 will fall somewhere between 3 and 4
Answer:
Correct choice is B
Step-by-step explanation:
Let a, b, c and d be the trapezoid's sides lengths.
The perimeter of the trapezoid is the sum of all sides lengths, thus,

If each side length is increased by a factor 7, then new sides have lengths 7a, 7b, 7c and 7d. The perimeter of new trapezoid is

Use the distributive property for this expression:

Since
then

Answer:
x = 15
Step-by-step explanation:
the easiest way to do this is 5 times 3 and with that we get 15 :)
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