Answer:
x=15
Step-by-step explanation:
Since the little square next to A has been cut in half we know that 3x = 1/2 of 90:
3x=45
Divide both sides by 3:
3x÷3=45÷3
x=15
Answer:
122 miles
Step-by-step explanation:
Let n = number of miles driven
Given:
- Base fee = $14.95
- Charge per mile = $0.95
- Total cost = $130.85
⇒ 14.95 + 0.95n = 130.85
Subtract 14.95 from both sides:
⇒ 0.95n = 115.90
Divide both sides by 0.95
⇒ n = 122
Therefore, he drove 122 miles.
Answer:
<em>x = -6</em>
Step-by-step explanation:
<u>Equations</u>
Solve the equation:
x + 6 = -x - 6
We must find the value of x that makes the identity above true.
Let's join all the variables on the left side and the numbers on the right side.
Adding x:
x + 6 + x = -x - 6 + x
The variables cancel out on the right side:
2x + 6 = -6
Subtracting 6:
2x + 6 - 6 = -6 -6
The 6 and -6 are canceled out:
2x = -12
Dividing by 2:
x = -12/2
x = -6
We know that
Applying the Pythagoras Theorem
c²=a²+b²
in a square
a=b
c is the diagonal-----> 84 m
c²=2a²--------> a²=c²/2-----> a²=84²/2-----> a²=3528-----------> a=√3528 m
the answer part a) is
√3528 m or 59.40 m
the area of the pen is a²------> 3528 m²
the answer Part b) is
3528 m²
