USING PYTHAGORAS THEORAM,
x²+3²= 5²
x²+9= 25
x²= 25-9 = 16
x= √16
x= 4
OPTION D
The percent change of 13.7 to 40.2 is 193.4%
To find percentage change, you need to find the difference between the two numbers. In this case, 26.5.
You then divide 26.5 by 13.7 and move the decimal point two spaces to the right.
Answer:
-1728:512
Step-by-step explanation:
(-12)³ = -1728
8³ = 512
ratio is -1728:512
STEP - BY - STEP EXPLANATION
What to find?
The function that reflects the given ratios given.
Given:
For every eight guests, 2 orders.
To determine the function;
Let y be the number of orders and x be the number of guests.
If for every eight guest, there must be 2 orders, then we will have;

So that, if there are 8 guests, that is; when x=8

ANSWER
y= 1/4 x
2/5 is closest to 0.39
2/5 = 0.4
hope it helps