Answer:
D.
Step-by-step explanation:
In order to eliminate, the numbers must eliminate. If the second equation is multiplied by 3, then the 3 and the -3 can be eliminated. Since it is multiple choice, we can plug in x = 12 and y = 10 to see if they are correct. 12 + 30 = 42 and 24 - 10 = 14, so D is correct.
Answer:
3√7
Step-by-step explanation:
9²+B²=12²
simplify
81+B²=144
minus the 81
B²= 63
Answer:
19 orders of tea
57 orders of collee
Step-by-step explanation:
find 1/4 of the 76
76/4=19
multiply by 3
19x3=57
Answer:
A
Step-by-step explanation:
Here as we can see that minimum drink a person can drink is 0 and is
(3.5-0)/2 =1.75 std deviation away from mean
which reflects that distribution;s right tail is more extended
therefore option A is correct: Distribution is right skewed
Answer:
Step-by-step explanation:
This represents an arithmetic progression with the first term of a = 15 and common difference of d = 3.
<u>The tenth row is the 10th term:</u>
<u>The row 10 has:</u>
- a₁₀ = 15 + 9*3 = 15 + 27 = 42 seats
