Answer:
1060
Step-by-step explanation:
Given:
No. of boys = 870
No. of girls = 800
Probability that a boy chosen studies Spanish = 
Probability that a girl chosen studies Spanish = 
the number of boys in the school who study Spanish :

the number of girls in the school who study Spanish :

Therefore, total number of students who study Spanish would be :
480+580=1060
6 - (-6)
This is because two negatives make a positive, so you’ll be adding 6+6 which equals to 12 not 0
Answer:
As outdoor temperatures increased, residents' electric bills increased.
Step-by-step explanation:
Answer:
The solution is the point (18,0)
Step-by-step explanation:
we have
-----> equation A
-----> equation B
Solve the system by substitution
substitute equation B in equation A

solve for x
Adds (1/3)x both sides


Adds 6 both sides



<em>Find the value of y</em>
substitute the value of x in equation A or equation B

therefore
The solution is the point (18,0)
Answer:{0,2}
Step-by-step explanation:
Substitute 4x in for the y
2x^2-4x=0
Factor out GCF 2x
2x(x-2)=0
Set each factor = 0 and solve
2x=0 x=0 x-2=0 x=2