One example is the equation 2x+3x = 5x because the left hand side combines to form the right hand side. This equation is said to be an identity, which is always true for any real number you can think of. For example, if x = 3, then,
2x+3x = 5x
2*3+3*3 = 5*3 ... replace every x with 3
6 + 9 = 15
15 = 15
We end up with a true equation. This will happen regardless of what x value we pick. Therefore, it has infinitely many solutions.
Answer:
50%
Step-by-step explanation:
To find the percent increase, divide the increase by the original value.
The increase is $40.
The original value is $80.
40÷80 = 0.5
0.5 ⇒ 50%
It is a 50% increase.
Answer:
Cost price=100%
Step-by-step explanation:
Answer:
Step-by-step explanation:
see the attached figure to better understand the problem
step 1
In the right triangle ADE
Find the value of h1
See the attached figure
h1=AD
Solve for h1
step 2
In the right triangle ABC
Find the value of h2
See the attached figure
h2=BC
Solve for h2
step 3
Find the height of the neighboring building
we know that
The height of the neighboring building is equal to
substitute the values
Round to the nearest tenth of a foot
Answer:
you place the 1 under the integer and follow the steps keep change it flip it . SO basically you keep the integer and the 1 and you change the sign to division and you place the numerator where the denominator is and the denominator goes where the numerator is.
Step-by-step explanation:
