X=hours master worked
y=hours apprentice worked
62x+40y=492
if master worked 3hours more than apprntice
x=3+y
sub 3+y for x
62(3+y)+40y=492
expand
186+62y+49y=492
186+102y=492
minus 186 both sides
102y=306
divide both sides by 102
y=3
sub back
x=3+y
x=3+3
x=6
master electrician worked 6 hours
6*62=372
master electrician earned $372
Answer:
D
Step-by-step explanation:
Squaring 121 will still be a real number, a rational number, and an integer. Therefore, it is not an irrational number.
Answer:
Any value of x makes the equation true.
Step-by-step explanation:
all real numbers
interval notation:(-infinity, infinity)
pls mark as brainliest lol
Answer:
option D
Step-by-step explanation:
r = 10% = 0.10
Answer:
This is false statement.
Step-by-step explanation:
⇒ 1 Gram = 0.01 hectogram
⇒ 1 hectogram = 100 gram
⇒ 0.01 gram = 0.0001 hectogram
Thus the given statement is false.
