625÷1/4= 156.25
25x2=50
156x2= 312
312.50= 312.5= 312 1/2
Answer:
If there are 26 letters and 10 digits allowed in each of 7 places.
<h3>
Answer: Choice 2) sin(B) = cos(90-B)</h3>
Explanation:
The rule is that
sin(A) = cos(B)
if and only if A+B = 90.
Solving for A gets A = 90-B
So we end up with
sin(90-B) = cos(B)
which is the same as
cos(B) = sin(90-B)
Hello from MrBillDoesMath!
Answer: Choice C
Discussion:
The y-intercepts are the x values where y = 0. Substituting y = 0 in the equation gives
(x+2)^2 + (0-4)^2 = 13 =>
(x+2)^2 + 16 = 13 =>
Subtract 16 from both sides
(x+2)^2 = 13 - 16 = -3 (*)
The square of a real number is greater than or equal to 0. (Not true for complex numbers). The left side of (*) is therefore >= 0 but as also equals -3. This is not possible so there is no solution to the equation. Choice C.
Thank you,
MrB
The independent variable i<span>n exponential growth and decay problems is the time because the value of the given population will depend on the how much time have elapsed from the star of the decay or growth. in the usual form of a growth function is A(t) = Ao(e)^(kt)</span>
