Your answer would be everything but (D) .
<u>Answer : </u>
The value of r in (4,r),(r,2) so that the slope of the line containing them is is 7
<u>Solution: </u>
Slope of the line which is passes through
→ (1)
From question given that two points are (4, r), (r, 2). Hence we get
By substituting the values in equation (1),
→ (2)
Also given that slope that is m = , so on substituting the value of m in equation (2),
On simplifying,
-5r+20=6-3r
5r-3r=20-6
2r = 14
r =7
Hence value of r is 7.
Answer:
The answer to your question is the last choice
Step-by-step explanation:
K = 5/9 (F + 459.67)
- Multiply by 9 both sides and simplify
9K = 5(9)/9 (f + 459.67)
9K = 5(f + 459.67)
- Divide by 5 both sides and simplify
9/5K = 5/5(F + 459.67)
9/5 K = F + 459.67
- Substract both sides by 459.67 and simplify
9/5K - 459.67 = F + 459.67 - 459.67
9/5K - 459.67 = F
Answer:
r = 0.99
Very strong positive correlation between x and y
Step-by-step explanation:
Given is a data containing years and the corresponding heights
We have to find the correlation coefficient.
x y
1 2.1
2 3.2
3 6.8
4 7.3
5 11.2
6 12.6
7 13.4
8 15.9
r 0.988670694
Formula for r is
Thus we find that correlation coefficient is 0.988670694
Rounding off to two decimals r = 0.99
Very strong positive correlation between x and y
Answer:
147.5765 square units.
Step-by-step explanation:
hope this helps:0