Answer:
Rajini is correct, A = 1/2 × 9 × 7
Step-by-step explanation:
A = 1/2 × base × height
base = the leg bisected by the height, in this case leg QD = 9cm
height = 7cm in this case
Mean is when you sum up all the numbers in a data set and divide that sum with the total amount of numbers in the data set.
Median is the middle number of a data set.
Mode is the number that shows up the most in a data set.
Best of Luck!
T= 149/300. To understand how I got it, I did 75x(8t - 4)= -2
Answer:
a - 8
Explanation:
7a−6+3−8a−(−2a+5)
Distribute the Negative Sign:
=7a−6+3−8a+−1(−2a+5)
=7a+−6+3+−8a+−1(−2a)+(−1)(5)
=7a+−6+3+−8a+2a+−5
Combine Like Terms:
=7a+−6+3+−8a+2a+−5
=(7a+−8a+2a)+(−6+3+−5)
=a + −8
Answer:
= a − 8
