Question

Medal will be given!
Lisa has only nickels and dimes in her money box. She knows that she has less than $15 in the box. Let x represent the number of nickels in the box and y represent the number of dimes in the box. @texaschic101 @SolomonZelman @ganeshie8

Answer 1

Draw a dashed line to represent the graph of 5x + 10y = 1500, and shade the portion below the line for positive values of x and y.

Draw a dashed line to represent the graph of 5x + 10y = 1500, and shade the portion above the line for positive values of x and y.

Draw a dashed line to represent the graph of 10x + 5y = 1500, and shade the portion above the line for positive values of x and y.

Draw a dashed line to represent the graph of 10x – 5y = 1500, and shade the portion below the line for positive values of x and y.

Answer 2

I chose A

Answer 3

d - dimes
n - nickels

\(\normalsize\color{blue}{ 10d + 5n < 1500}\)

We need to know the number of coins in the box though.

Answer 4

So that we can have an equation to represent the overall amount in dollars, and the number of coins.

Answer 5

if it's less then, wouldn't it be shaded below the line

Answer 6

yes it would @texaschic101

Answer 7

should be

Answer 8

And below a DASHED line

Answer 9

then I agree...I think it is A

Answer 10

Yes, A.. Agreed

Answer 11

I misread the question at first, sorry -:(

Answer 12

it;s unanimous :) It is A

Answer 13

Can you check 5 more?

Answer 14

The graph of an equation is shown below:

line joining ordered pairs negative 3,2 and 1, negative 2

Based on the graph, which of the following represents a solution to the equation?

(–2,–3)

(3, 1)

(1, 3)

(3, 2)