Answer: Choice A
This is a 3 by 1 matrix, which can be written "3 x 1 matrix".
There are 3 rows and 1 column. The number of rows is listed first.
7/10 of 80 is 56
4/5 of 80 is 64
3/4 of 80 is 60
5/8 of 80 is 50
1/2 of 80 is 40
1/4 of 80 is 20
1/10 of 80 is 8
1/8 of 80 is 10
to work these out divide the number by the denominator (bottom number) and multiply by the numerator (top number)
It's said "The value √-9 is not -3 because --------------------
So you need to prove why -3 is not the value of √-9.
As you know (-3)^2 = (-3) * (-3) = 9, ≠ -9
Answer is A.
(-3)^2 ≠ -9
Answer:
30.9 cm^2
Step-by-step explanation:
A=(3*2.6)/2+3*(3*6)/2=3.9+27=30.9 cm^2
Store 1 because there’s a greater variety !!!
