mona360
mona360
03-09-2018
Mathematics
contestada
how do you solve this?
Respuesta :
TheBreeze
TheBreeze
03-09-2018
a) C = 40 + 30t
b) 280 = 40 + 30t
30t = 240
t = 8
The plumber worked 8 hours
Answer Link
churchkeys88
churchkeys88
03-09-2018
C is equal to (30 x t) + 40
C = 30t + 40
we are given that C = 240
280=30t + 40
solve for t
t = 8 hrs
Answer Link
VER TODAS LAS RESPUESTAS ( 29+ )
Otras preguntas
Please help me with this question
A worker begins pushing a 60-kg crate across the floor with a force of 86N, causing an acceleration of 0.20m/s2 what is the force of friction ?
6th grade advanced / 7th grade 5 x (-2w - 4) = (__)
DF and GI are parallel lines. Which angles are alternate interior angles?
Which expression is equivalent to? (first picture) Assume (second picture) Answer choices: A –50x8y18 B –2x8y18 C –2x12y72 D 5x8y18
What happens when earth rotates on its axis and how long take?
What did Johnson do when presented the civil rights act of 1866?
Ali writes the expression "half of the sum of $9$ and a number." Write an algebraic expression that is equivalent to Ali's expression. Write a second algebraic
Hey can you help me fast!!
An ice cream shop makes sundaes with chocolate or vanilla flavors and sprinkles, fudge or caramel toppings. Which tree diagram shows all possible flavor combina
