The value of x is 9.
Solution:
Proportionality theorem:
<em>If a line is parallel to one side of a triangle intersects the other two sides, then it divides the two sides proportionally.</em>
In the given triangle, the middle line is parallel to the base, so the sides are in the same ratio.
Do cross multiplication.
⇒ 9 × 56 = 72(3x – 20)
⇒ 504 = 216 x – 1440
Add 1440 on both sides of the equation.
⇒ 1944 = 216 x
Divide by 216 on both sides of the equation.
⇒ 9 = x
Switch the sides.
⇒ x = 9
The value of x is 9.
Answer:
7³
Step-by-step explanation:
Answer:
option B
Step-by-step explanation:
we know that the equation of the line is:
y=mx+b
m= slope= (y2-y1)/(x2-x1)
we have two points given from the graph:
point 1: (0,2)
point 2: (2,-1)
we to find the slope:
m=(-1-2)/(2-0)
m= -3/2= slope
we need to find "b"
using the point (0,2), we have:
2=0x+b
so we have b=2
finally we have
y=(-3/2)x+2 = option B
Answer:
Step-by-step explanation:
LCD: 90
10: 10, 20, 30, 40, 50, 60, 70, 80, 90
45: 45, 90
9/90 and 34/90
Answer:
option d is correct
Step-by-step explanation:
hope this helped