Answer:
20. 4n+5+8n-5=180(linear pair)
12n=180
n=15
21. 9x-6=8.5x+2(can be seen from image)
9x-8.5x=2+6
0.5x=8
x=8/0.5
x=80/5
x=16
22. 4z+3z+6=90°(Complementary)
7z+6=90°
7z=84°
z=12°
Answer:
6ml
Step-by-step explanation:
=25%÷100%
=0•25
1.5l to ml
1L=1000ml
=1.5000ml÷0.25
=6ml
Answer:
Step-by-step explanation:
Tổng : -7,5+(-3,6)+(-4,7)+(-5,3)+(-1,4)=-22,5
The answer is 50/50. The either child is a boy or a girl. 50/50 chance
Answer:
Well to find the x-intercept, substitute in 0 for y and solve for x. To find the Y-intercept, substitute in 0 for x and solve for y
X-intercept: (15,0)
Y-intercept: (0,- 5) Hope this helps :)
Step-by-step explanation:
