Answer:
side c is 25
Step-by-step explanation:
The fraction 30/80 is equivalent to 37.5 percent or 37.5% (rounded to 1 decimal place).
To workout this, divide the numerator by the denominator, sum this value to the integer part then multiply the result by 100%, so:
30/80 in percent = 30 ÷ 80 × 100% =
0.375 × 100% =
37.5%
Step-by-step explanation:
2x + x + 57 = 90
3x = 33
x = 11
m1 = 2 × 11 = 22°
m2 = 11 + 57 = 68°
check: 22 + 68 = 90
Answer: 4
Step-by-step explanation:
Protons have a positive charge, so 4 protons would have a charge of positive 4
