Value of x is 1
Step-by-step explanation:
- Step 1: Given that ABCD is a rectangle, its diagonals bisect each other. So BE = ED
⇒ 2x + 4 = 7x - 1
⇒ -5x = -5
⇒ x = 1
Answer:
Given the statement: One pound of grapes costs $1.55.
Let x be be the cost of 3.5 pounds of grapes.
Equivalent ratios states that the two ratios that express the same relationship between numbers.
Therefore, by equivalent ratio:

then, we have;

Cross multiply the above equation; we hve

x = 5.425
therefore, the cost of 3.5 pounds of grapes is, $5.425
Answer:
yes
Step-by-step explanation:
Answer:
1st Blank: 5
2nd Blank: 3
3rd Blank: -8
4th Blank: -8
5th Blank: 12
Step-by-step explanation:
15x+35y=-100
-15x+9y=-252
___________
44y=-352
___ ___
44 44
y=-8
3x+7(-8)=-20
3x-56=-20
+56 +56
__________
3x=36
__ __
3 3
x=12