Answer:
A. 9.49
Step-by-step explanation:
Use Pythagorean theorem to find the distance and make a right triangle.
So then..
a² + b² = c²
3² + 9² = c²
c² = 9 + 81
c² = 90
c² = 
c = 9.49
Given the equation: (km / 3) - 2x = 4, it is essential to isolate x to obtain the expression to solve it. This is done below:
(km / 3<span>) - 2x = 4
</span>
Adding 2x to both sides:
(km / 3<span>) - 2x + 2x = 4 + 2x
</span>(km / 3<span>) = 4 + 2x
</span>
Subtracting 4 from both sides:
(km / 3<span>) - 4 = 4 + 2x - 4
</span>(km / 3<span>) - 4 = 2x
</span>
Dividing 2 from both sides:
[(km / 3<span>) - 4] /2 = 2x /2
</span>[(km / 3<span>) - 4] /2 = x
</span>x = (km / 6) - 2
Answer:
$1600; $2200
Step-by-step explanation:
Simple interest(I) =P×R×T
Where
P=Principal
R=Rate
T=Time
When she is 12 years
P=$1000
R=5%
=5/100
=0.05
T=12 years
Simple interest(I) =P×R×T
=1000×0.05×12
=$600
Total amount=principal + simple interest
=$1000+$600
=$1600
Simple Interest after another 12 years= 24 years
T=24
So,
Simple interest(I) =P×R×T
=$1000×0.05×24
=$1200
Total amount=principal+simple Interest
= 1,000+1,200
=$2,200
Answer:
The answer is $22.75! (A)
Step-by-step explanation:
All you have to do is subtract $36.50 by $13.75 and get the amount of the 2nd piggy bank.
22.75 + 13.75 = 36.50
Answer:
Step-by-step explanation:
