Answer:
a=0
Step-by-step explanation:
first, find the coefficient of 1 (doenst have to be written)
1+a+1-1=1
remove the opposites
1+a=1
cancel equal terms
a=0
Answer:
Suzie's speed was 3.6 mph
Step-by-step explanation:
we know that
The speed is equal to divide the distance by the time
Let
s ----> the speed in mph (miles per hour)
x ----> the distance in miles
y ----> the time in hours
so
Find Suzie's speed
we have
substitute
Convert mixed number to an improper fraction
substitute
Answer:
It would be a tie
Step-by-step explanation:
Skeir 1 in 5000 feet would go 45 seconds.
Skier 2 in 5000 feet would go 50 seconds
If skier 1 lets skeir 2 have a head start, then it means that that it would be 50-5, which would be 45.
Answer:
I type a little weird sometimes... try your best to read it.
Step-by-step explanation:
3
9
=
7
−
2
(
5
−
3
)
39
=
7
x
−
2
(
5
x
−
3
)
39=7x−2(5x−3)
3
9
=
7
−
1
0
+
6
Answer:
240 girls
Step-by-step explanation:
Let number of girls be x.
160:x = 2:3
Multiply right side by 80--> 160:x = 160:240
x=240.
So there are 240 girls.
