ANSWER:
v = 3 is only a solution to equations 1 and 5.
STEP-BY-STEP EXPLAINATION:
Equation 1:





Therefore, v = 3 is a solution.
Equation 2:





Therefore, v = 3 is not a solution.
Equation 3:




Therefore, v = 3 is not a solution.
Equation 4:





Therefore, v = 3 is not a solution.
Equation 5:





Therefore, v = 3 is a solution.
9514 1404 393
Answer:
90°
Step-by-step explanation:
The ratio of the largest angle to the total is ...
10/(3+7+10) = 10/20 = 1/2
The largest angle is half the total of all angles:
1/2×180° = 90° . . . . measure of the largest angle
0.7 is the decimal form of 7/10
Answer:
112 1/2
Step-by-step explanation:
9x12 = 108
108 + 4 1/2 = 112 1/2
Answer:
(x^2 + 2x - 21) sq units
Step-by-step explanation:
Area of the shaded region = Area of the larger rectangle - Area of smaller rectangle
Area of the larger region = x(x+2)
Area of the larger region =x^2 + 2x
Area of the smaller rectangle = 3 * 7
Area of the smaller rectangle = 21 sq. units
Area of the shaded region = x^2 + 2x - 21
Hence the required expression is (x^2 + 2x - 21) sq units