lebronjames62161
lebronjames62161
19-05-2021
Mathematics
contestada
Please help me thanks please
Respuesta :
nosrat2104
nosrat2104
19-05-2021
Answer : 45 centimeters
Explanation: 756 = ((a+b)/2)h
756 = ((39+b)/2)18
756/18 = (39+b)/2
42= (39+b)/2
2(42) = 39 + b
84 = 39+b
84-39=b
45=b
Answer Link
VER TODAS LAS RESPUESTAS ( 47+ )
Otras preguntas
A certain United States flag has a perimeter of 58 feet . The length of the flag is 9 feet longer than the width . What are the dimensions of this flag?
Which of the following is NOT a Low German language? A. Dutch B. Frisian C. Danish D. Flemish
why did we keep the name florida
Expand and simplify these (X+6) (x+9) (X-5) (x+2) (X-1)(x-7) (4x+9)(3x+8) (3x-8)(2x-1) (X+9) ^2(squared) (3x+2)^2
How many molecules are in 100 grams of HCL?
Which term is defined as a measure of the disorder of a system? (A) heat (B) kinetic energy (C) entropy (D) activation energy
A certain United States flag has a perimeter of 58 feet . The length of the flag is 9 feet longer than the width . What are the dimensions of this flag?
Which African-American leader believed that blacks should demand full and immediate equality?
14. How do scientists know that the universe is expanding? The galaxies are moving away from each other, and the temperatures are decreasing. The galaxies are m
Graph the line that goes through point (5, 6) with slope 1/2.
