X + x + 36 = 90
2x = 54
x = 27 Answer
Answer:
1+6y= "7y=7"
1+5y= "6y=4"
Step-by-step explanation:
X represents "1" so you replace your "X" with "1" and solve the equation.
Answer:
The answer should be 55
Step-by-step explanation:
All triangles must = 180
70+55+55 = 180
To solve this problem you must apply the proccedure shown below:
1. You have that Darren can get to work in

and <span>with the traffic and lights, he can average </span>

<span>.Therefore, you must apply the formula for calculate the distance, which is:
</span>

<span>
Where </span>

<span> is the speed and </span>

<span> is the time.
2. The time in hours is:
</span>

<span>
3. Substituying values, you have:
</span>

<span>
The answer is:</span>
Answer:
Value of x using quadratic formula (x = -4) and (x = -5)
Step-by-step explanation:
Given:
Equation
x² + 9x + 20 = 0
Find:
Value of x using quadratic formula
Computation:
Quadratic formula = [-b±√b²-4ac] / 2a
Given equation;
x² + 9x + 20 = 0
a = 1 , b = 9 , c = 20
By putting value
[-9±√9²-4(1)(20)] / 2(1)
[-9±√81-80] / 2
[-9±√1] / 2
(-9 + 1) / 2 , (-9 - 1) / 2
-8 / 2 , 10 / 2
-4 , - 5
Value of x using quadratic formula (x = -4) and (x = -5)