Answer:
3a-21
Step-by-step explanation:
You multiple 3 with the inside of the parenthesis. 3 time a = 3a and 3 times negative 7 is -21
Answer: a i think
Step-by-step explanation: all tringles are supposed to add up to 180
A factor is one part of a product.
In the given expression first we separate the terms.
here we have two terms: 15 and 20x
factors of first term 15 : since just one number is there so factors of 15 would be 1, 3, 5 and 15
factors of second term 20x: product of 20 and x gives 20x, so factors of 20x are 1,2,4,5, 10,20 and x
Answer:
Jim: 30 Feet
Carla: 28 Feet
Step-by-step explanation:
Answer:
<h3>x=9</h3><h3>y=12</h3>
Step-by-step explanation:
Plug x as 2y-15 in the first equation and solve for y.
-5(2y-15)+4y=3
-10y+75+4y=3
-6y+75=3
-6y=-72
<em>y=12</em>
Plug y as 12 in the second equation and solve for x.
x=2(12)-15
x=24-15
<em>x=9</em>
