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sammy [17]
3 years ago
9

Write an expression for the perimeter of the triangle shown below:

Mathematics
1 answer:
stepladder [879]3 years ago
6 0
I would like to help you, but you have to show the value of the sides of the triangle.
The perimeter formulas is :
P= a+b+c
Now, look the picture of the triangule you might have and it doesn’t show in here and see the values of each side and follow the formulas and resolve the equation to check what’s the right answer. If you give me the values of each side I can help you.
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Please help asap 15 pts
slamgirl [31]

First of all, the minus sign before the parenthesis changes the sign of all the terms inside:

3y-(y+2x)+x = 3y-y-2x+x

Now, we can sum like terms:

3y-y = 2y,\quad -2x+x = -x

So, the final expression is

2y-x

8 0
3 years ago
A line has a slope of 2 and a y intercept of (0,-4) what is the value of y when x=6
Pavel [41]
First we set up an equation with the givens (slope and y intercept):
y = 2x -4
next plug in 6 for x.
y = (2x6) - 4
y = 12 - 4

And this will give us the value of y: 8.
3 0
3 years ago
Malorie uses 2/3 foot of string to make a bracelet. She bought 6 feet of string.
Aleksandr [31]
A. 2/3x=6
B. I chose multiplication because division would be used to find the answer without an equation so I chose the inverse (or opposite) operation
4 0
4 years ago
Find the volume v of the described solid s. a right circular cone with height 7h and base radius 3r
jarptica [38.1K]
Answer in cm if you need something else state it in the question.

r = 3 cm
h = 7 cm
s = 7.61577 cm
V = 65.9734 cm³
L = 71.777 cm²
B = 28.2743 cm²
A = 100.051 cm²

Agenda:

r = radius
h = height
s = slant height
V = volume
L = lateral surface area
B = base surface area 
A = total surface area
π = pi = 3.14159
<span>√ = square root
</span>
Formula: Volume of a cone: V = (1/3)πr²h
7 0
4 years ago
the length of a rectangle is two more than it's width. If the area of the triangle is 48cm squared, what is the length of the re
svet-max [94.6K]

Answer:

8

Step-by-step explanation:

Let the width of the rectangle be x. Then the length would be x+2

Area=(length)*(width)

48=x(x+2), => x=6. Width is 6 and length is 8

8 0
3 years ago
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