Use Pythagorean theorem
a^2 + b^2 = c^2
C = hypothenuse
8^2 + b^2 = 15^2
64 + b^2 = 225
b^2 = 161
b = square root 161 = 12.68
Solution: 12.7 cm
ANSWER
Rewrite and make substitution.
EXPLANATION
Since Harriet calculated 27 divided 4 and had 6.75.
This means that:
Now we want to find
without divide.
Therefore we need to rewrite the expression so in terms of
so that we can substitute.
This will give us;
This implies that,
Answer:
11 units apart
Step-by-step explanation:
You have to count how many units are in between A and B
Answer:
Step-by-step explanation:
SOH CAH TOA
Therefore:
Answer:
m > 4
Step-by-step explanation:
5m - 8 > 12
Add 8 to each side
5m - 8+8 > 12+8
5m > 20
Divide by 5
5m/5 > 20/5
m > 4