Oyebolatoba Beginner
Let d = # digital cameras
Let m = # manual cameras
d + m = 240 equation 1
(d-82) = 3(m-26) equation 2
d - 82 = 3m - 78
d - 3m = 82 - 78
d - 3m = 16 equation 2 simplified
We have two equations with 2 unknowns:
d + m = 240
d - 3m = 16 subtract equation 1 from equation 2
---------------
-4m = -224
m = -224/-4
m = 56
d + m = 240
d = 240-m
d = 240-56
d = 184
He started with 184 digital cameras and 56 manual cameras
Answer:
30.7
Step-by-step explanation:
Assuming the angled are degrees and not radian.
side BC= (11÷sin67)•sin28= 5.6
angle ABC= 180-67-28=85°
A= 11•5.6•sin85÷2≈30.68
Answer:
area:
Perimeter: 16x+12
Step-by-step explanation:
area :![(4x+3)^2](https://tex.z-dn.net/?f=%284x%2B3%29%5E2)
thats ![16x^2+24x+9](https://tex.z-dn.net/?f=16x%5E2%2B24x%2B9)
P: 4(4x+3)
thats 16x+12
Hope this helped you
<3
Red
To find the area of a circle, you need the radius. To find the radius when you have the diameter, simply divide the diameter by 2.
This gives us 11.2.
The formula for the area of a circle is A=π * r^2
Now plug in pi, and your radius, 11.2
This should give you <span>394.08</span>
Answer:
$764.42
Step-by-step explanation:
The account balance is given by the formula ...
A = P(1 +rt)
where P is the principal invested, r is the annual rate, and t is the number of years. Here, we assume 52 weeks in the year, since the time period is given in weeks.
Filling in the numbers, we have ...
A = $750(1 +0.025(40/52)) = $764.42
Darren's investment will be worth $764.42 at the end of 40 weeks.