Answer:
r = 6.40 feet
Step-by-step explanation:
Given line AB is tangent to circle O at point A, this means ∡OAB = 90°
Hence this is a right angle triangle and we can use the Pythagorean theorem.
r² + 20² = 21²
r² = 21² - 20²
r² = 441 - 400
r² = 41
r = √41 = 6.40 feet
Yes because it doesnt have decimals or fractions
Answer: y = 10x + 160
Step-by-step explanation:
The cost follows the linear equation format of:
y = mx + c
Where:
y = dependent variable or the total cost
m is the cost per each additional unit of x
x is the number of video games
c is the constant cost or rather the fee per bulk purchase
Formula is therefore:
y = 10x + 160
Using the formula. Assuming Kara buys 100 video games, the cost would be:
y = 10 * 100 + 160
y = $1,160
Answer:
most likey the length ± the answer. i would need to see the picture to give the best answer
Step-by-step explanation: