Answer:
3/20 I think
Step-by-step explanation:
ANSWER for the first one:
A=a+b/2*h
A= 4.5+9/2*6
A= 40.5 cm2
ANSWER for the second one:
9*3= 27
3*3= 9
9*3= 27
A= 63 cm2
Create a ratio and cross multiply
20x - 75 = 14x + 63
6x = 138
x=23
hope this helps :)
Answer:
You would use a^2 + b^2 = c^2
Step-by-step explanation:
a and b are the shorter side of the triangle whereas c is the hypotenuse or longest side of the triangle
Answer:
Step-by-step explanation:
Answers in order:
7 + 7b - 4 = -6
7b + 1 = -6
7b = -7
b = -1
Hope this helps!