Answer:
If they want irregular fractions its
1= 14/4 . 2= 11/2 3= 14/8
4= 21/4 . 5= 27/6 . 6= 125/13
7= 61/9 . 8= 69/9 . 9= 84/8
If they just want the few simplified then
1= 3 1/2
3= 1 3/4
5= 4 1/2
8= 7 2/3
9= 10 1/2
Step-by-step explanation:
300000000+400000+50000+300+90= 300450390
Hope this helped! :)
You know if something is a function or not because of the X will not be repeated. If it is, then it's not a function.
A. 0 and 2 are repeated in X
B. Nothing is repeated for X
C. 2 and 3 are repeated for X
D. 2 and 3 are repeated for X
B is your answer
Answer:
Step-by-step explanation:
Hello!
The objective is to test if there is a difference between the fuel economy of mid-size domestic cars and mid-size import cars.
For this there are two samples taken:
X₁: Fuel economy of a domestic car.
Sample 1
n₁= 17 domestic cars
X[bar]₁= 34.904 MPG
S₁= 4.6729 MPG
X₂: Fuel economy of an import car.
Sample 2
n₂= 15 import cars
X[bar]₂= 28.563 MPG
S₂= 8.4988 MPG
To estimate the difference between the average economic fuel of domestic cars and import cars, assuming both variables have a normal distribution and both population variances are unknown but equal, the statistic to use is a t-test for two independent samples with pooled sample variance:
(X[bar]₁-X[bar]₂)±


Sa= 6.73

(34.904-28.563)±
6.341±1.697*2.38
[2.30;10.38]
With a confidence level of 90%, you'd expect that the difference between the average economic fuel of domestic cars and import cars will be contained in the interval [2.30;10.38].
I hope it helps!
Half of 128 is 64. This is the answer because if you divide the number by two, you are breaking the number into two pieces, or otherwise, two halves. So, 2 goes into 128 a total of 64 times.