dylaneverton1p7v5t6 dylaneverton1p7v5t6

03-05-2018
Mathematics

contestada

If 400 bricks measuring 81" by 31" are required to build a wall 42 ft. high, how long is the wall? feet.

Respuesta :

popalabdulqayou popalabdulqayou

14-05-2018

let b bricks:

b= 400, let H height and l length

Area = 81*31 or 6.75*2.58 = 17.44 ft²

b(17.44ft²)=Hl

400(17.44 ft²) =42 l

l= 6975/42 = 166.07

so the length of the wall is 166 ft approximately as a whole number

Answer Link

Otras preguntas

By 1750, each colonial government had

WHO WAS THE FIRST PRESIDENT IN THE UNITE STATES OF AMERICA

the measure of an angle is 173 degrees. what is the measure of a supplementary angle?

In design, what kind of unity is created when individual elements have an effect of their own and are not subordinate to the total effect?

How are equivalent fractions used when subtracting unlike fractions

for smart people out there, answer this question, if u can! part A!

(Reconstruction) What did the federal government pass that established military suites in the south? a. The Emancipation Proclamation b. The 13th Amendment c.

Which is the healthiest strategy for coping with strong emotions?

Sexual Assault is a crime defined as intentional sexual contact, characterized by use of force, threats, intimidation, or abuse of authority or when the victim

Which mutation causes either the inclusion of an extra chromosome in offspring or the deletion of an entire chromosome?