Answer:
5.5 gallons
Step-by-step explanation:
set up a proportion; Liters in numerator and Gallons in denominator
let x = approx number of gallons
<u> 21 </u> = <u> 3.8 </u>
x 1
3.8x = 21
x = 21 ÷ 3.8
x ≈ 5.5
let's recall that the sum of all interior angles in a triangle is 180°.
an equi-lateral, equal sides, triangle has all sides that are equal.
sides that are equal will yield an equal opposite angle.
so if all sides are equal, all angles are equal, for a sum of 180°, that's only possible with 60°, 60° and 60° angles, and all of them are acute, none obtuse.
4r-3+r+7=29
5r+4=29
5r=25
r=5
The answer is B
Answer:
a. 2x +5
b. Pic attached
c. f(4) = 2•4 +5
f(4) = 8 +5
f(4) = 13
d. Domain: all the real numbers
Range: all the real numbers
There are two solutions for this problem. It depends if order matters or not. Since it is not mentioned in the problem, it is safe to assume that order does not matter and that choosing can be done at random. Then, this is a combination problem:
nCr = n!/r!(n-r)!
where n=13 because there are <span>13 qualified candidates</span>, and r=8 because you choose 8 chiefs at a time
nCr = 13!/8!(13-8)! = 1,287 ways