Answer:
x=26
Step-by-step explanation:
go to equation solver for math papa and you'll see i'm right
Answer:x=10
Step-by-step explanation:
First let's create an equation:
2(x+5)+2x=50
2x+10+2x=50
4x+10=50
4x=40
x=10
Answer:
80 students
Step-by-step explanation:
52 + 28 = 80
Answer: angle ADC measures half of 124 that is 62 degrees
Step-by-step explanation:
15. [4] insufficient information. only given SA
16. There are 3 right triangles, 3 Pythagorean theorem equations
x²+b²= 16²
12²+a² = x²
a²+4² = b²
combine equations using substitution to get in terms of only x
substitute b² for (a² +x²) in first equation
x²+a²+4²=16²
substitute a² for (x² - 12²)
x²+x²-12²+4² = 16²
solve for x
2x² - 144 + 16 = 256
2x² = 256 + 144 - 16
2x² = 384
x² = 384/2
x² = 192
x = 13.85
rounded to nearest tenth, x = 13.9
