Answer:
x = 67°
Step-by-step explanation:
The sum of the 3 angles in a triangle = 180°
Subtract the sum of the 2 angles from 180 for x , that is
x = 180° - (38 + 75)° = 180° - 113° = 67°
Answer:
70. 8x⁴
71. 3n - 10
72. a/5 + 12
Step-by-step explanation:
70. a number "x" raised to the fourth = x⁴
Product of 8 and x⁴ = 8 × x⁴
= 8x⁴
71. 3 times a number "n" = 3 × n = 3n
3n decreased by 10 = 3n - 10
72. Quotient of a number "a" and 5 = a/5
12 more than a/5 = a/5 + 12
Answer:
2.5n=10 n = 4
Step-by-step explanation:
sum is addition
twice n and a half is 2.5n
equals 10
10 divided by 2.5=4
Since the area of a rectangle is base times height.
Combining the two areas, we get
A(total) = A1 + A2 = (20*5) + (12*3) = 136 square yard
The answer is A.
