Answer:
Brett can put 
= 0.625 pounds in each bird cage.
Step-by-step explanation:
The total amount of bird seed left = 
pounds
=
pounds
Number of birds in pet shop = 4
So, the share of each bird = 
= 
Hence, Brett can put = 0.625 pounds in each bird cage.
Answer:
(B) The correct interpretation of this interval is that 90% of the students in the population should have their scores improve by between 72.3 and 91.4 points.
Step-by-step explanation:
Confidence interval is the range the true values fall in under a given <em>confidence level</em>.
Confidence level states the probability that a random chosen sample performs the surveyed characteristic in the range of confidence interval. Thus,
90% confidence interval means that there is 90% probability that the statistic (in this case SAT score improvement) of a member of the population falls in the confidence interval.
Answer:
Step-by-step explanation:
sai đề
Answer:
D
Step-by-step explanation:
A)
3(2) + 4(-2) = -2 2(2)-4(-2) = -8
6 - 8 = -2 4 + 8 = -8
Correct Incorrect
B)
3(6) + 4(-5) = -2 2(6) - 4(-5) = -8
18 - 20 = -2 12 + 20 = -8
Correct incorrect
C)
3(4) + 4(4) = -2
12 + 8 = -2
incorrect
D)
3(-2) + 4(1) =-2 2(-2) - 4(1) = -8
-6 + 4 = -2 -4 - 4 = -8
Correct Correct
Best way is process of elimination
9514 1404 393
Answer:
48 m³
Step-by-step explanation:
The correct formula for the volume of a pyramid is ...
V = 1/3Bh
For the given values, the volume is ...
V = 1/3(36 m²)(4 m) = 48 m³
