k81
k81
21-05-2018
Mathematics
contestada
what’s the length of BD
Respuesta :
choixongdong
choixongdong
21-05-2018
A = 1/2 pq
let
AC = p
BD = q = 2/3 (p)
so
75 = 1/2(p) (2/3 p)
75 = 1/3 p^2
p^2 = 75 * 3
p^2 = 225
p = 15
so
AC = 15
BD = 2/3(AC) = 2/3 (15) = 10
answer
B. 10 cm
Answer Link
VER TODAS LAS RESPUESTAS ( 72+ )
Otras preguntas
Determine the critical crack length for a through crack contained within a thick plate of 7150-T651 aluminum alloy that is in uniaxial tension. For this alloy K
Miguel, a recent 22-year old college graduate, wants to retire a millionaire. How much will he need to set aside annually to achieve his goal, assuming he pl
Over the course of a multi-stage 4510-km bicycle race, the front wheel of an athlete's bicycle makes 1.70x106 revolutions. How many revolutions would the wheel
The dialysis setting is another area where health information management professionals can lend their expertise. What role/duties do you think a health informat
Rsidential Solar Solution:a. A type of photovoltaic solar panel manufactured in China receives a rating of 250W. The rating process utilizes a uniform solar irr
The 47th chromosome has 21 extra genes and XY refers to gender There is an extra chromosome in the 21st pair and XY refers to gender The 21st chromosome has add
Box I contains 4 red and 8 blue marbles while box II contains 5 red and 3 blue marbles. An unfair coin in tossed, whose probability of turning up heads is 40%.
A team of geologists wants to study hard, solid rock under the surface of Earth. The team is considering drilling down in Saudi Arabia (1) or in the Arabian Sea
The difference of x and 3 is less than -1
Find the 8th term in the geometric sequence 5,-15, 45...
