Answer:
A. 806.5 in²
Step-by-step explanation:
The figure given is a combination of a rectangle, a trapezoid and a triangle.
The formulas for the areas of each figure:
Rectangle: length x width
Trapezoid:
, where
and
are the lengths of each base and h is the height of the figure
Triangle: 1/2 bh, b = base and h = height
For each of the figures given:
rectangle: 16 x 9 = 144 in²
trapezoid:
= 352.5 in²
triangle: 1/2(31*20) = 310 in²
310 + 144 + 352.5 = 806.5 in²
Answer:
6
Step-by-step explanation:
15 - 9
Answer: 12 quarters, 4 dimes
I subtracted the amounts known, for example 10 pennies, and 1 nickle. Since I know that 4 quarters = 1 dollar, I was able to figure out that 12 quarters equals 39 dollars. The rest was simple. Each dime = 10 cents.
Explanation:
Cos Milky said it. Milky smart.
So start with your standard numbers. Divide 1.6 by 4 and you get 0.4
With the exponents, since you’re dividing, you keep the base and subtract the exponents. So 3-6=-3
You’d get 0.4 x 10 to the -3 but that’s not correct scientific notation because you have to have a value 1 or larger.
Move the decimal to the right one place (making the standard number larger) and make the exponent smaller to balance it out.
4 x 10 to the -4 power.
Answer:
x in (-oo:+oo)
(21/2)*n = ((2*x)/8)*y // - ((2*x)/8)*y
(21/2)*n-(((2*x)/8)*y) = 0
(21/2)*n+(-1/4)*x*y = 0
21/2*n-1/4*x*y = 0 // - 21/2*n
-1/4*x*y = -(21/2*n) // : -1/4*y
x = (-(21/2*n))/(-1/4*y)
x = 42*n*y^-1
x = 42*n*y^-1
Step-by-step explanation:
Hope his helps :P