Answer:
its just the congruency rules .
you had to explain them using the rules
Step-by-step explanation:
Hey there! I'm happy to help!
We see that if you add 5% to the original cost, we have $168 as our cost. This means that 105% of the original cost is 168. Let's set up an equation to find the original cost. Let's call our original cost c.
To turn a percent into a decimal, you divide by 100.
1.05c=168
We divide both sides by 1.05.
c=160
Therefore, the original cost was $160.
Have a wonderful day! :D
Answer:
as x --> oo, f(x) = oo (infinite)
as x -- -oo, f(x) = 3
Together it would take 3 hours.
Team A can wrap all gifts in 7 hours; thus they can wrap 1/7 of the gifts in 1 hour.
Team B can wrap all gifts in 5 hours; thus they can wrap 1/5 of the gifts in 1 hour.
1/7h + 1/5h = 1, where h is the number of hours; it equals 1 because it is 100% of the gifts;
Find a common denominator. 35 is the first thing 7 and 5 will both divide into. Convert the fractions:
5/35h + 7/35h = 1
12/35h = 1
Divide both sides by 12/35:
12/35h ÷ 12/35 = 1 ÷ 12/35
h = 1/1 ÷ 12/35
h = 1/1 × 35/12
h = 35/12
h = 2.9
h ≈ 3
There could be one more pentagon
**As far as I know
