Answer:
B
Step-by-step explanation:
Answer:
Equation:
2(a+9) = a/2
Solve:
The umber is:
-12
Step-by-step explanation:
Equation:
2(a+9) = a/2
Solve:
2*a + 2*9 = a/2
2a + 18 = a/2
2a - a/2 = -18
4a/2 - a/2 = -18
3a/2 = -18
a = -18*2/3
a = -12
Check:
2(-12+9) = -12/2
2(-3) = -12/2 = -6
The speed of car is 45.3 miles per hour.
Further explanation:
Speed is the rate at which an object changes position with respect to time.
Given

The formula for calculating speed is:

The speed of car is 45.3 miles per hour.
Keywords: Speed, distance
Learn more about speed at:
#LearnwithBrainly
Answer:
3/1 ; 9/ 3 ; 36/ 18
Step-by-step explanation:
Write the ratios in fractional form
Initial condition:
18
6
1
st Equivalent
→
18
÷
6
6
÷
6
=
3
1
2
nd
Equivalent
→
18
÷
2
6
÷
2
=
9
3
3
rd
Equivalent
→
18
×
2
6
×
2
=
36
12
Write the ratios in fractional form
Initial condition:
18
6
1
st
Equivalent
→
18
÷
6
6
÷
6
=
3
1
2
nd
Equivalent
→
18
÷
2
6
÷
2
=
9
3
3
rd
Equivalent
→
18
×
2
6
×
2
=
36
12