Answer:
|4| = |7|
this is the answer of this question
Step-by-step explanation:
8x = 1
x = 1/8
So x = 1/8 is the correct answer
Answer:
If the darker, longer lines are going in units of one, then A is equal to -2.
Step-by-step explanation:
Sally paints at a rate of 1/7th room / hour
Steve paints at a rate of 1/6th room / hour
If they both painted together, they would paint 1/7 + 1/6 = 13/42 room/hour
so to paint the whole room, it would take 1/(13/42) = 42/13 =
<u>
3.23 hours (3 significant figures)</u>
Answer:
Step-by-step explanation:
3n+15=75
three times a number is 3n. +15 is 15 more.
3n+15=75 subtract 15 from both sides to get the 3n alone
3n=60 divide by 3 to get the n by itself
n=20