3 years ago

What graph shows the line y=2/5x-3

1 answer:

6 0

A is the graph that shows in because the 2/5 is the rise/run so you start from the -3 and go up two and over right five or down two and left five

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Riley and Rhoda plan to buy 2 bags of dog of food and a dog collar (x). Each bag of dog food costs $7 and the dog collar costs $

Sergio [31]

Let:

T = Total money they have

Dc = Dog collar

x = Number of bags of food

$\begin{gathered} 2x+Dc\le T \\ 2x+4.5\le30 \end{gathered}$

Let's solve the inequality:

$\begin{gathered} 2x+4.5\le30 \\ \text{subtract 4.5 from both sides:} \\ 2x+4.5-4.5\le30-4.5 \\ 2x\le25.5 \\ x\le\frac{25.5}{2} \\ x=12.75\approx12 \end{gathered}$

This means that they can buy 12 bags of food at most.

Since they plan to buy 2 bags of food:

$\begin{gathered} 2(7)+4.5\le30 \\ 14+4.5\le30 \\ 18.5\le30 \end{gathered}$

This means they can do it and have $ 11.5 to spare

7 0

8 months ago

Write each recurring decimal as a fraction in simplest form.<br> 0.286

3241004551 [841]

143/500, ur welcome lol

7 0

2 years ago

A car rental agency charges $120 per week plus $.12 per mile driven. How many miles did you drive if the total charge is $162?

777dan777 [17]

$\boxed{y=120+0.12x}\\
\\
y=162\\
\\
120+0.12x=162\\
\\
0.12x=162-120\\
\\
0.12x=42\\
\\
x=\frac{42}{0.12}\\
\\
\boxed{\boxed{x=350 \ miles}}$

7 0

3 years ago

PLEASE HELP! I need step by step!

sergeinik [125]

Answer:

C x +2y=8

Step-by-step explanation:

x+2y=8

x-x +2y = 8 -x

2y=8 -x

2y/2= 8/2 -x/2

y= 4 -1/2x

y= -1/2x =4 is the final answer

so it would be c

7 0

2 years ago

The perimeter of a rectangle is 66 cm.if the width of the rectangle is three more than half the length,find the length of the re

hoa [83]

<span>Let us use the variable x for length. So width will be 1/2x + 3. Perimeter = x+x+ 1/2x + 3 +1/2x + 3 = 3x + 6 = 66 Therefore 3x = 66-6 = 60 So x = 60/3 = 20 The length is 20 cm. Therefore the width = 1/2 of 20 + 3 = 10 + 3 = 13 cm Check: 20+20+13+13 = 66</span>

6 0

2 years ago