Answer:
17/30 (0.56)
Step-by-step explanation:
18/20-4/12
Reduce the fraction with 2 and 4: 9/10-1/3
Write all numerators above the least commmon denominator 30: 27-10/30
Subtract: 27-10/30 = 17/30
Answer:
Option A. 
Step-by-step explanation:
we know that
The area of the irregular figure is equal to the area of two trapezoids
The area of trapezoid is equal to

where
b1,b2 are the parallel bases
h is the perpendicular distance between the parallel bases
<u>Find the left trapezoid area</u>

<u>Find the trapezoid area on the right</u>

The area of the irregular figure is

54.60/3.90=14
Mark’s gas tank will fill up with 14 gallons of gas.
Answer:
Step-by-step explanation:
Let's look at the first two, and hopefully you'll be able to figure the rest out:
1. Answer below

The problem asks us to solve for
, so that means we need to get
on one side of the equation by itself. To do so, we will need to divide both sides of the equation by
:


2. Answer below

The problem asks us to solve for
, so that means we need to get
on one side of the equation by itself. To do so, we will need to add
to both sides of equation:


By definition of the binomial coefficient,

so we have

as required.