Answer:
d=-6
Step-by-step explanation:
We know the perimeter is the sum of all sides. So lenght+length+width+width = 2length+2width.
Let's call the width x. If the length is 4m longer, then it's x+4.
We know the perimeter, so we can make an equation:
56=2x+2(x+4)
And solve from there:
56=2x+2x+8
56=4x+8
48=4x
48/4=x
x=12
The width, which is x, is 12 m. And the length, x+4, is 16 m.
You can check this is correct by calculating the perimeter using those values: 12+12+16+16=56.
Answer:
<h2><u>I don't know i am sry............</u></h2>
Answer:
n=-9
Step-by-step explanation:
subtract 19 to both sides
19-19=0
10-19=(-9)
n=-9
to verify add 19+(-9)=10
hope this helps :3
if it did pls mark brainliest
Answer:
The graph is decreasing
Step-by-step explanation:
Starting at -1, the graph goes down to its value at 1
The graph is decreasing