Answer:
A. 6x + 4
B. 22 cm
Step-by-step explanation:
The perimeter of the triangle is equal to the sum of all the side lengths, which is (2x+3) + (x+1) + (3x), or 6x + 4.
When x = 3cm, the perimeter is 6(3) + 4, which is 22 cm.
Answer:
Slope = -3/4
y-intercept = 2
Step-by-step explanation:
Answer:
4
Step-by-step explanation:
To find MEAN, add up <em>all</em> the values in a data set and then divide by the <em>number</em> of values.
6+2+7+3+2 = 20
Number of values in data set: 5
20÷5= 4
Answer:
5x^2 + 3x +4
Step-by-step explanation:
(2x^2 + x + 3) + (3x^2 + 2x + 1)
Combine like terms
(2x^2 + 3x^2 + 2x+ x + 3 + 1)
5x^2 + 3x +4
45 = 3x3x5
Or you could simplify it to 3^2x5
