Answer:
Step-by-step explanation:
Formula for area of a triangle:
Height x Base /2
Base (b) = h +4
Height = h
h + 4 x h /2 = 30cm
=> h +4 x h = 60
=> h+4h =60
=> 5h = 60
=> h = 12
Height = 12
Base = 12 +4 = 16
The answer would b the 3rd option
Hello,
<u>Set up a proportion</u> :
7 → 21
100 → ?
<u>Cross multiply</u> :
100 * 21 / 7 = 300 students
Bye :)
You use it during your life spand
Answer:
If
t
=
5
2
then
x
=
5
2
−
3
2
=
1
and
y
=
5
2
+
3
2
=
4
Step-by-step explanation: