Answer:
Step-by-step explanation:
The equations that she wrote are
6x+8y=133
2x=y
The following statements about the system are true
1.Since the cost for each pie is $5 and $9, the first equation should be 5x+9y=133
5. The second equation is correct because there are more 6 inch pies and 2 times a number is always more.
The following statements are wrong because,
2. Because there was no relationship between the number of pipes sold and the size of each pipe.
3. x=2y shows that there are more 8 inches pipes
4. 6 and 8 are just size descriptions. It is only the cost of each size of pipe that related to the total cost
You did not put a question
Answer:
A. Because the sample size is very large.
Step-by-step explanation:
The sample is quite large, so the t test is safe. With a sample size of at least 100, this test is going to be safe.
So the correct answer is:
A. Because the sample size is very large.
K/75 + 57.1 = 40.8
k/75 = 40.8 - 57.1
k/75 = -16.3
k = -16.3 • 75
k = -1222.5 or -1222 1/2
Hope it helps!
It's a rectangular parallelepiped, also known as a box. It has three pairs of congrurent rectangular faces, so adding them all up,
Area = 2 × (8×6 + 5×6 + 8×5) = 236 sq ft
Answer: 236 sq ft
