Answer:
11 cm
Step-by-step explanation:
As Y is midpoint if XZ
XY=YZ=2a+1
WZ=WX+XY+YZ=28
a+1+2a+1+2a+1=28
5a+3= 28
5a=25
a=5
XY=2a+1
=2(5)+1
=10+1
=11 cm
Answer:
more information?
Step-by-step explanation:
this question just confuses me a little bit
Answer:
Step-by-step explanation:
Make both a single fraction by adding together.
Simplify
Answer:
8 dollars
Step-by-step explanation:
if "x" is his weekly allowance:
x-0.5x+8=12
Dan make x dollars, then he spend 0.5x dollars and he earned 8 dollars, and that is 12 dollars.
0.5x=12-8
x=8 dollars
Answer:
9 blue
Step-by-step explanation:
It said 3 blue and 4 white
but Jade put 12 white and to get 12 from 4 you need to multiply 4 by 3
so you would also need to do the same for blue, 3 x 3 = 9