36/12 = 3
so multiply everything by 3
#1 gets 6 cookies
#2 gets 9 cookies
#3 gets 12 cookies
#4 gets 9 cookies
Answer:
60 degrees
Step-by-step explanation:
Using the 172 degrees and calculating it's distance from the angle, i conclude that it's 60
9x + 3 = 7x +19
2x + 3 = 19
2x = 16
x = 8
So, x (8) is the number of chairs in each row with these setups.
Plug 8 into one of the equations and you will find how many chairs total there are.
9(8) + 3 = 75
There are 75 chairs total
Answer:
A. 6
Step-by-step explanation:
Using the Pythagorean theorem which states that: <u>Hypotenus² = Opposite² + Adjacent²</u>
Where: hypotenus = 10, opposite = x, adjacent = 8
So:

Solving for x

Collect like terms to make x the subject of formula


square root both sides of the equation to find the value of x

Therefore: Option A is correct
Answer: x=4, I added a photo of my work in case you need it I hope it helps