multiply all terms in the second equation by 2 to get the coefficient on the y variable to be -6.

Answer:
x ≈ 2.29 cm
Step-by-step explanation:
From the picture below we are given a right angle triangle and asked to find the value of x. We can use the SOHCAHTOA principle to find the side x.
Base on the angle given the adjacent side of the triangle is x while the hypotenuse is given as 4 cm. Let's find the value of x .
cos 55° = adjacent/hypotenuse
cos 55° = x/4
cross multiply
x = 4 cos 55°
x = 4 × 0.57357643635
x = 2.2943057454
x ≈ 2.29 cm
Answer:
3.82 in
Step-by-step explanation:
Answer:
6
Step-by-step explanation:
The first number: a
The second number: b
The third number: c
a+b+c=72
b=7a
b-c=18
⇒a=6; b=42;
c= 24
2.25. hope this helpssssss