Steps
1) 100%-15%=85%
2) 9.99×0.85=11.49
3) 11.49×0.05+11.49=8.92
they cost$8.92
Answer:
4.5
Step-by-step explanation:
5/10 is written as 0.5 in decimal form as 10*0.5=5
And, 4+0.5=4.5
Answer:
1/3 of they tank can be filled in 20 min. and in 20 min, the pipe fills up 500 liters.
Step-by-step explanation:
So 20 minutes is 1/3 of an hour so it makes sense to say that 1/3 of the tank would be filled up in 1/3 of an hour. Next if the pipe can fill up the tank in 1 hr min then we would have to just divide it by 3 to find how much it can do in 20 min. So 1500/3 = 500 liters in 20 min. (Hope this helps)
Simplify the expression.
2x^3-10x^2+22x-14
Answer:
half of the atoms of an unstable isotope to go through radioactive decay. ... amount of a sample will be left after a certain amount of time, or it can tell us how long has ... If the sample contained 510 grams, how much chromium would remain ... 5) Titanium-51 decays with a half-life of 6 minutes. ... How many grams of bismuth-.
Step-by-step explanation: