You need one equation for the physical nickels and dimes, which total to 21:
n+d=21
Secondly, you need one equation for the numerical value of those nickels and dimes. We know nickels are worth $0.05 and dime are worth $0.10:
.05n+.1d=1.70
Answer:
50.82
Step-by-step explanation:
. Answer:
1 discrete
2 continuous
3 discrete
4 continuous
5 discrete
6 continuous
7 discrete
8 continuous
9 continuous
10 continuous
Answer:
Triangle ABD is congruent to Triangle CBD because of ASA
Step-by-step explanation:
BD bisects Angle ADC --> Given
Angle ADB = Angle CBD --> Def of angle bisector (A)
Side DB = Side DB --> Reflexive Property (S)
Line segment BD is perpendicular to Line segment AC --> Given
Angle DBA = Angle DBC --> Def of perpendicular angles (A)
Triangle ABD congruent to Triangle CBD --> ASA
Using Statement and Reason form, we see that the two triangles are congruent because of the congruency rule: ASA (Angle Side Angle)
9. 120km
The time is two hours, and the rate is 60 km/hour or 60km in one hour. 60×2 = 120
10. 9 minutes
The rate is 80m/min, and the distance is 720 m.
720÷80 = 9 min