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 ( 93+ )
Otras preguntas
The mean of 20 numbers is 18. If 3 is added to each of the first ten numbers, find the mean of the new set of 20 numbers.
what are the best tips for correcting punctuation?
A 10.0-milliliter sample of NaOH(aq) is neutralized by 40.0 milliliters of 0.50 M HCl. What is the molarity of the NaOH(aq)?
How to add and subtract fractions
I need 10 facts about John Williams
What Are the Different English Words that Don't Rhyme?
Multiply and simplify(x-3y) (x + 3y)
Perform the operations, multiply, and simplify.-a^3b (3a^2 b^5 - ab^4 - 7a ^2 b)
The mean of 20 numbers is 18. If 3 is added to each of the first ten numbers, find the mean of the new set of 20 numbers.
Which one of the following terms is most closely associated with interjections? A. Action B. Emotion C. Qualification D. Description
