Answer:
75
Step-by-step explanation:
So, I subtracted 62.5 minus 50 that equals 12.5
So, then you would do 12.5 times 135% equals 16.87
Then you would add 62.5 and 16.87
Therefore your answer is 75
The answer is 46,000 years.
It can be calculated using the equation:
= decimal amount remaining, where n is a number of half-lives.
Decimal amount remaining is 0.00362 (= 0.362%). Let's calculate number of half-lives.
⇒
⇒
⇒ n ≈ 8
Now we know that number of half-lives is 8.
Number of half-lives is quotient of total time elapsed and length of half-life.
So, total time elapsed is a product of length of half-life (5,730 years) and number of half-lives (8). Since 5,730 years × 8 = 45,840 years, then the person died 46,000 years ago (rounded to the nearest thousand).
Answer:
No. Of Males can be x
No. of Females can be y
The difference between the no. of males and females is 30
so x - y = 30
with ratio we can get 4x and 9y
now subsitute the value of x
9y/4 - y = 30
y = 24 females
x = 54 males
so the total no. of people at the party will be = x + y = 78
Step-by-step explanation:
Answer:
90 pills
Step-by-step explanation:
We can think of 1 day as = 3 pills
and 2 days as 3 + 3 pills [3 for both days]
and 3 days as 3 + 3 + 3 pills [3 for each day]
and...wait!! we don't need to be adding all of these days up, we can use multiplication (which is repeated addition)
On day 2, we have two values of 3 pills, or two times that we add 3 pills
this can also be expressed as 3 × 2, which is the same thing as 3 + 3
3 × 2 = 6
3 + 3 = 6
So, we can apply the same idea to 30 days, and <em>multiply</em> 30 by 3 (we have 3 pills 30 times)
3 pills per day × 30 days
3 × 30 = 90
So, the patient needs 90 pills
Answer:
3/4 is the simplified fraction for 117/156 by using the GCD or HCF method. Thus, 3/4 is the simplified fraction for 117/156 by using the prime factorization method.