Answer:
Jonathans car can go 15 miles per gallon of gas
Step-by-step explanation:
Do 45 divided by 3
Answer:
(2a+3 ) (a-4 )=0
Step-by-step explanation:
2a^2 + 8a - 15 = 3a - 3
Subtract 3a from each side
2a^2 + 8a-3a - 15 = 3a-3a - 3
2a^2 + 5a - 15 = - 3
Add 3 to each side
2a^2 + 5a - 15+3 = 3 - 3
2a^2 -5a -12=0
(2a+3 ) (a-4 )=0 These are the factors
Answer:
There will be 15 ways.
Step-by-step explanation:
5 exterior designs are offered to potential home buyers.
The builder has standardized 3 interior plans that can be incorporated in any of the 5 exteriors.
So, the number of different ways in which the exterior and interior plans be offered to potential home buyers is given by:
Therefore, the answer is 15 ways.
First, we can actually start off by dividing both sides by 3:
m + 5 - 2 = m + 3
m + 3 = m + 3
0 = 0
m has an infinite number of solutions
Answer:
Z= 0.253
Z∝/2 = ± 1.96
Step-by-step explanation:
Formulate the null and alternative hypotheses as
H0 : u1= u2 against Ha : u1≠ u2 This is a two sided test
Here ∝= 0.005
For alpha by 2 for a two tailed test Z∝/2 = ± 1.96
Standard deviation = s= 15
n= 10
The test statistic used here is
Z = x- x`/ s/√n
Z= 2058- 2046 / 15 / √10
Z= 0.253
Since the calculated value of Z= 0.253 falls in the critical region we reject the null hypothesis.
There is evidence at the 0.05 level that the doors are too short and unusable.
