Answer:
see explanation
Step-by-step explanation:
Given
A =
bh
a. substitute b = 6 and h = 5 into the formula
A =
× 6 × 5 =
× 30 = 15 units²
b.
Multiply both sides of the formula by 2
2A = bh, that is
bh = 2A ← divide both sides by b
h =
=
=
= 8
c
Using
bh = 2A ← divide both sides by h
b =
=
=
= 6
Answer:
25 dfferent ways
Step-by-step explanation:
The answer is 25 different ways because since there are students and thy line up behind each other you would do 5 times 5 which equals to 25.
Answer:
21
Step-by-step explanation:
the sum of the express of the summation of the notation