9514 1404 393
Answer:
21
Step-by-step explanation:
Rearranging the given ratio, we can find the ratio of boys to the total.
boys : (boys +girls) = 7 : (7+8) = 7 : 15
Then the number of boys is ...
(7/15)(45) = 21
There are 21 boys in the classroom.
Jeremy has 24 and ria has 40 if there is anything u need to ask how that was foung as
Answer:
slope is -1
Step-by-step explanation:
y=mx+b
(m=slope)
(b= y-intercept)
y-intercept= -2
slope and x is -x.
there is always a 1 in front of the x.
so...
-1x = mx take out x.
m= -1 or slope = -1
Answer:
1 & 2 perpudicular
1 & 3 neither
2 & 3 is parallel
Step-by-step explanation:
