Answer:
a) Let Kim's age be k, then Kim's sister's age is k/2
k+
=24
b) k+
=24
1
k=24
k=16
=8
Kim's age is 16 while her sister's age is 8.
Exact form:
5/7
Decimal form:
0.71428571...
Answer:
1200÷20=x and x=60
Step-by-step explanation:
60
x 20
---------
1200
Are you trying to simply the equation if so x = 6
Slope of AB=(2-3)/(1+1)=-1/2; AC=(-1-3)/(-3+1)=-4/-2=2; BC=(-1-2)/(-3-1)=-3/-4=3/4.
The product of two sides that are perpendicular is -1. Slopes of AB and AC are perpendicular so angle A is a right angle. ABC is a right-angled triangle.