x = 7
Explanation
5/40 = 3/2x+10 ( Proportionality ) Theorem)
Cross Multiply
10x + 50 = 120
10x = 70
x = 70/10
x = 7
Answer:
a. -x, y b. x, y c. x, -y
Step-by-step explanation:
hope this helps:)
Answer:
The product is -42.
Step-by-step explanation:
This is because (-6)(-7)= 42 and (42)(-1)= -42
Answer:
add ans subtract like normal
Step-by-step explanation:
Answer:
width: 13 Length: 15
Step-by-step explanation:
Let length be x
width is x-2
perimeter is 56
P= 2(l+b)
56= 2(x +x-2)
56/2 = 2x - 2
28 + 2 =2x
30= 2x
15 =x
15-2+13
length =15
width = 13