50% means half so divide 170 by 2,
170/2=85
so there is 85 boys
Hope this helped!!
$9.50x45=$427.50(work per week)
$427.50-$55=$372.50(amount of money he earns per week)
$372.50x4x12=$17880(1 month has 4 weeks and 1 year has 12 months)
Answer: $17880
Answer:
(2/3)³
2³/3³
2³ × 3^(-3)
Step-by-step explanation:
Answer:
see below
Step-by-step explanation:
The formula for the sum of an infinite geometric series with first term a1 and common ratio r (where |r| < 1) is ...
sum = a1/(1 -r)
Applying this to the given series, we get ...
a. sum = 5/(1 -3/4) = 5/(1/4) = 20
b. sum = d/(1 -1/t) = d/((t-1)/t) = dt/(t-1)
_____
The derivation of the above formula is in most texts on sequences and series. In general, you write an expression for the difference of the sum (S) and the product r·S. You find all terms of the series cancel except the first and last, and the last goes to zero in the limit, because r^∞ → 0 for |r| < 1. Hence you get ...
S -rS = a1
S = a1/(1 -r)
Answer:
Any dimensions can make a triangle, however
this does not make a right angled triangle.
Step-by-step explanation:
Determine the length of the hypotenuse of a right angle triangle with side lengths 5ft and 9ft by using the formula:
This is not equal to 14ft.
