1. Consider the following scenario... Robert earned $10, which was 4 less than twice what Eric earned. How much money
did Eric earn?
In a complete sentence, state the correct equation for the scenario.
Identify and define your variable. Then, using the correct vocabulary, and math
process, explain how to accurately solve the problem. Lastly, In a complete sentence
define your answer.

$7

Step-by-step explanation:

Robert = $10 or 2x-4

Eric = x (variable), 2x-4=10 (twice minus 4)

Now just manage the equation

2x-4=10 (substitute by adding 4 to both sides)

2x = 4 + 10

2x =14 (substitute by diving by 2 getting rid of x2)

x = 14/2

x = 7

Eric earnt 7 dollars.

given : the shape of his satellite can be modeled by   where x and y are modeled in inches.

now,the given equation   is a equation of parabola.

here, coefficient of x is positive, hence the parabola opens rightwards.

on comparing this equation with standard equation , we get

in standard equation, coordinates of focus=(0,m)

thus for given equation coordinates of focus=(0,1.5)

step-by-step explanation: