Answer:
The third one i think. They are separate.
Step-by-step explanation:
Answer:
Kindly check explanation
Step-by-step explanation:
Given that :
5 years old:
Mean height (m) = 43
Standard deviation (σ) = 1.8
Height on fifth birthday (x) = 44
7 years old:
Mean height (m) = 48
Standard deviation (σ) = 2.1
Height on 7th birthday (x) = 49
To get the standardized score :
USe :
Zscore = (x - mean) / standard deviation
At 5 years:
Zscore = (44 - 43) / 1.8
Zscore = 1/ 1.8
Zscore = 0.556
At 7 years:
Zscore = (49 - 48) / 2.1
Zscore = 1/ 2.1
Zscore = 0.476
At the different ages, John's growth rate in height declined after the 5 th years as the standardized score at 5 years is greater than at 7 years.
Answer:
see explanation
Step-by-step explanation:
Given the zero x = a of f(x) then f(a) = 0
(5)
f(9) =9³ - 8(9)² - 2(9) - 63 = 729 - 648 - 18 - 63 = 0
Hence x = 9 is a zero of the polynomial
(6)
2
- 3(- 3)³ - 36(- 3)² - 37(- 3) - 26 = 162 + 81 - 324 + 111 - 26 = 4 ≠ 0
Hence x = - 3 is not a zero of the polynomial
Answer:
A
Step-by-step explanation:
There is an outlier of a sign with a speed limit of 10 miles per hour.
Answer:
time taken = 2.74 seconds
Explanation:
We are given that:
y = -16t² + 120 models the situation where:
y is the floor number
t is the time taken for the apple to hit the ground
We are also given that the floor number (y) is 10. Therefore, all we have to do is substitute with y in the above equation and solve for the time t as follows:
y = -16t² + 120
10 = -16t² + 120
120 - 10 = 16t²
110 = 16t²
t² = 110/16
t² = 6.875
either t = 2.74 seconds ..........> accepted
or t = -2.74 seconds .........> rejected as time cannot be in negative
Hope this helps :)
