Answer:
x=−12
Explanation:
x−(−5)=−7
Step 1: Simplify both sides of the equation.
x+5=−7
Step 2: Subtract 5 from both sides.
x+5−5=−7−5
x=−12
Jeri would be X-3 years old
Answer:
His usual speed is 105 km/hr.
Step-by-step explanation:
Let his usually speed be s km/hr and the distance between the towns be d km. So we have the equations:
s = d/6
s - 15 = d / (6 + 1)
from the first equation:
d = 6s and from the second:
d = 7(s - 15)
Eliminating d we get:
6s = 7(s - 15)
7s - 105 = 6s
s = 105.
Answer:
12 units
Step-by-step explanation:
Allow me to revise your question for a better understanding and I hope it will fit the original one.
<em>The parallelogram shown below has an area of 72 units squared. The base is 6 and the other side is 13 Find the missing height.</em>
Here is my answer:
Given:
- The area: 72 units squared.
- The base: 6 units
As we know that the area of the parallelogram is represented by below formula:
A = b*h where h is the height and b is the base
In this situation, we know:
72 = 6*h
<=> h = 12
So the missing height is 12 units