Answer:
The first side= 9 inches
The second side=12 inches
The third side=7 inches
Step-by-step explanation:
Lets make expressions to represent each of the three sides of the triangle.
If we start with the second side and say its length is x inches, then the first side becomes (x-3) inches.
The third side is gotten by subtracting 2 inches from this first side. Then its expression becomes: (x-3)-2 which can be simplified to x-5 inches.
The perimeter of a triangle is found by adding the lengths of the three sides of the triangle, thus, we add the three expressions and then equate the result to the numerical value of the perimeter.
x+(x-3)+x-5=28
3x-8=28
collecting like terms together we get:
3x=36
x=12 inches
Therefore, the first side (x-3) we substitute for x so 12-3=9
second side x is 12
the third side x-5 gives 12-5=7
Answer:
Hello, There!
<h2>Question</h2>
There is a special relationship between the lengths of the legs of a right triangle and the length of its hypotenuse. This relationship is known as the
<h2>Answer</h2>
Pythagorean Theorem.
Step-by-step explanation:
The Pythagorean Theorem states that the square of one leg (a) plus the square of the other leg (b) is equal to the square of the hypotenuse (c). This can be written as + = .
Answer:
69120 in. (5760) feet
Step-by-step explanation:
Multiply the values
=69120 in
=5760 feet
Let x represent the son's age
Let y represent to father's age
Two equations given
x + 25 = y
(y - 3) / 3 = (x - 3)
Sub 1st equation into the second and solve
((x+25) -3) / 3 = (x - 3)
x= 15.5 (son's age)
y= 40.5 (father's age)
12a.
35 + 3c = 45 + 2c subtract 35 from both sides
3c = 10 +2c subtract 2c from both sides
c = 10
A 10 minute phone call would cost the same amount of money with both companies.
12b.
It is better to use Company B when you need to make a longer phone call because the cost per minute is less. For example, an hour long phone call with company A would be $2.15 and the same call with company B would be $1.95.
14.
The problem with Delia's work is that she put the x with the flat rate instead of the daily charge. The flat rate will only be charged once while the daily fee should be multiplied and charged for every day, x. The correct equation would have been 365 + 125x = 250 + 175x.