Answer:
20%
Step-by-step explanation:
A pair of jeans cost $45 before the sale.
The sale is taking $9 off of the original price.
Then
$45 - 100%
$9 - x%
Write a proportion:
Cross multiply:
What is the length of ST¯¯¯¯¯? Enter your answer as a decimal in the box. Round your final answer to the nearest hundredth. in.
Circle A with a tangent and a secant segment. Point S at 11 o clock, point R at 2 o clock, and point Q at 6 o clock are located on the circle. Point T at 2 o clock is located outside of the circle. Tangent S T and secant Q R T is drawn that intersect each other at point T. Segment R T is labeled as 7 inches. Segment R Q is labeled as 23 inches.
2 answers:
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so we have the points of (0,-7),(7,-14),(-3,-19), let's plug those in the y = ax² + bx + c form, since we have three points, we'll plug each one once, thus a system of three variables, and then we'll solve it by substitution.
well, from the 1st equation, we know what "c" is already, so let's just plug that in the 2nd equation and solve for "b".
well, now let's plug that "b" into our 3rd equation and solve for "a".