Answer:
See explanation below
Step-by-step explanation:
Archimedes was able o obtain the actual volume of the supposedly gold made object by collecting the water displaced by the object as it was sunk on a bowl filled with water to the rim. Then knowing the volume displaced and therefore the volume of the object, he could find the object's density (mass over volume). The mass he could get just by weighting the object. and compare that with the density of any other object made of real gold (like for example a coin) and see if the quotient was the same. The density of both objects should be the same if they are made of the same material.
Answer:
0.36
Step-by-step explanation:
4/11
If this helps please put brainliest
Answer:
The probability that the next mattress sold is either king or queen-size is P=0.8.
Step-by-step explanation:
We have 3 types of matress: queen size (Q), king size (K) and twin size (T).
We will treat the probability as the proportion (or relative frequency) of sales of each type of matress.
We know that the number of queen-size mattresses sold is one-fourth the number of king and twin-size mattresses combined. This can be expressed as:

We also know that three times as many king-size mattresses are sold as twin-size mattresses. We can express that as:

Finally, we know that the sum of probablities has to be 1, or 100%.

We can solve this by sustitution:

Now we know the probabilities of each of the matress types.
The probability that the next matress sold is either king or queen-size is:

Answer:
Bryden will get a total of $20 for this four quarters
Step-by-step explanation:
Here, we have a collector offering to buy state quarters for 2,000% of their face value.
Now, we have 4 state quarters with the value of 1 being 25 cents.
Since 1 has a value of 25 cents, then four will have a face value of 25 cents * 4 = 100 cents or better still $1
Now, the offer is 2000%
So the amount to be paid in dollars will be 2000% of $1.
Mathematically, that would be;
2000/100 * 1 = 2000/100 = $20