alo3lRossNjen alo3lRossNjen

13-10-2016
Mathematics

contestada

LM is the midsegment of trapezoid ABCD. AB= x + 8, LM = 4x + 3, and DC = 187. What is the value of x?

Respuesta :

HomertheGenius HomertheGenius

24-10-2016

Length of the midsegment of trapezoid:
LM = ( AB + DC ) / 2
4 x + 3 = ( x + 8 + 187 ) / 2 / * 2 ( we will multiply both sides of the equation by 2 )
8 x + 6 = x + 8 + 187
8 x + 6 = x + 195
8 x - x = 195 - 6
7 x = 189
x = 189 : 7
Answer:
x = 27

Answer Link

Otras preguntas

Lee has a jar of 100 pennies. She adds groups of 10 pennies to the jar. She adds 5 groups. What numbers does she say?

what are carreers that rely on logic?

When matter is converted in a nuclear reaction: A. A small amount of energy is absorbed B. A small amount of energy is released C. A large amount of energy is

what is the square root of 54

absolute number of -8 can u tell me plz

what are some examples on how ths U.S constitution, the bill of rights, and the 14th amendment ensure the rule of law?

Use the five terms below to write a short paragraph

Candy is at the ballot shop and sees that 10 balloons cost $0.15.He needs 50 balloons to decorate his room. How much will 50 balloons cost?

who is the head of state in canada?

Which term describes the upper lateral abdominal region containing the lower ribs