Answer:
there were 63,000L of water initially in the pool
Step-by-step explanation:
do 900L times the first 20 minutes to find out how much water was drained during the first 20 minutes and you get 18,000L drained
then, add 18,000L plus the rest of the 45,000L of water drained from the pool to get 63,000L of water intially in the pool
Answer:
25/6 or 4 1/6
Step-by-step explanation:
1) convert these fractions to improper fractions first:
8/3+3/2
make like denominators by multiplying 8/3 by 2 and 3/2 by 3
so 8*2/3*2=16/6
3*3/2*3=9/6
16/6+9/6=25/6
Hope this helps!
Answer:
y = 67°
Step-by-step explanation:
angles of rectangle are equal and 90°.
So,
23+y = 90
so, y = 67°
Answer:
D) 31
Step-by-step explanation:
2x-7+2x+63=180
4x+56=180
4x=180-56
4x=124
x=124/4
x=31
Answer: C. -2 = 2 + 5a - 2 - 6a
-2 - 2 + 2 = 5a - 6a
-2 = - a
2 = a
