![guzmanbrandon3259](/avatars/33909.jpg)
guzmanbrandon3259
30.11.2021 •
Mathematics
Find the unit rate.
12 laps in 30minutes
Solved
Show answers
More tips
- A Art and Culture The History and Characteristics of Jazz Bands: A Deep Dive...
- W Work and Career Can Skill Alone Make You a Professional?...
- F Family and Home Daughter says: If you don t want to do it, don t do it. Should we persuade her?...
- S Science and Technology How to Secure Exam Sessions: Silence Mobile Phones in the Classroom...
- C Computers and Internet Which Phone is Best for Internet Surfing?...
- P Philosophy Is Everything We Strive for Eventually Achieved and Destroyed?...
- S Society and Politics Understanding Politics and Its Role in the Development of Civilization...
- P Philosophy Why Did God Create Man and Place Him in Obscurity?...
- S Society and Politics Skoptsy: Who They Are and How They Perform Castration?...
- O Other Childhood Fears: What Many of Us Experienced...
Answers on questions: Mathematics
- M Mathematics Please solve all or even most of these (simplify using order of operation)!...
- M Mathematics Which expressions are equivalent to −7+3(−4e−3)? Choose all answers that apply: A −4(3e+4) B 12e C None of the above...
- M Mathematics The probability that a randomly selected point on the grid below is in the blue area is TE- Which expression can be used to find the probability that a randomly selected point...
- M Mathematics In the image, what is Janelle’s position relative to sea level while she is diving? What should the altimeter read at this position?...
- M Mathematics CMON HELP ME PLEASE IM SUPER DESPREATE I CANNOT FAIL HADAOSJDPOKD0NA UABAUDB...
- M Mathematics Which number line shows the graph of Negative 2.75 less-than x? A number line going from negative 3 to positive 3. An open circle is at negative 2.75. Everything to the left...
- M Mathematics HELP ME PLEASE I AM BEGGING...
- M Mathematics Idk what a function is can someone explain/ answer this question...
- M Mathematics The area of a triangle is 54/5 square units. What is the missing height if the base is 3 and 3/5?...
- M Mathematics What is the slope of the line? As soon as possible please !!...
Ответ:
1. x = 36
2. x = -2, x = 5
Step-by-step explanation:
Secant - Secant Power Theorem: 12(12 + x) = 10(18)
144 + x = 180
x = 36
Chord - Chord Power Theorem: (x - 2)(x + 7) = 4(2x - 1)
x^2 + 5x - 14 = 8x - 4
x^2 - 3x - 10 = 0
Factor:
(x + 2)(x - 5) = 0
x = -2, x = 5