Answer:

Step-by-step explanation:
we know that
The algebraic expression is equal to

Remember that

and

so

substitute

AC is the chord of D i hope this helps
Answer: 6
Step-by-step explanation:
4x+3x=7x
18 girls-5%
Total no: of girlsx5/100=18
Total-100x18/5-360 girls
4x+3607x
360-7x-4x
360-3x
x=360/3-120
4x=4x120=480
3x=3x120=360
Total no: of students=480+360-840
the fraction is 60/100 or in sipulist form 6/10 as a desimel of tenths it would equel .6