Answer:
(-4,9)
Step-by-step explanation:
substitute the given value for y into the first equation
x-5(-2x+1)=-49
distribute
x+10x-5=-49
add like terms
11x-5=-49
add 5 to both sides
11x=-44
divide both sides by 11
x=-4
now plug x into into the second equation
y=-2(-4)+1
y=8+1
add like terms
y=9
Answer:
10%
Step-by-step explanation:
Hello I can help you with this question. Lets start.
The question is asking what percent of $30 is 3
so i think u actually meant $3 right but anyways
30 is 10 times 3
then clearly it would be 10%
gogo that's the answer!
Answer:
20
Step-by-step explanation:
Number of blue cars = 28
Number of dots in blue cars = 7
one dot = 28÷ 7 = 4
One dot equals 4cars
Number of tan cars = 5*4 = 20
In 1 hour, a machine could make:

parts
In 28.8 hours, that machine make

parts