-3y+5y-4=-7+4y help!

Mathematics

2 answers:

slava [35]2 years ago

8 0

Dont know if youre finding y but finding y= 3/2

sesenic [268]2 years ago

6 0

Do you need this solved in a specific way? Solving for y you get 3/2

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A pack of 8 batteries cost 4.72!What is cost per battery?

Mrrafil [7]

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We need to let the X alone so
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8 0

1 year ago

HELP PLEASE Write the inequality that models the number granola bars (12) you need to buy.

Goshia [24]

The correct question in the attached figure

Let
x-------------> the number of granola bars
y-------------> the pounds of fruit

we know that

if 12 bars------------> cost $12
1 bars--------------> X
X=12/12---> x=$1
1 bar---------> cost $1

if 9 pounds of fruit----------> cost $36
1 pound-------------------> X
X=36/9--------> x=$4
1 pound -------> cost $4

expression for the total cost=(1)*x+(4)*y----------> x+4y
x=12
y=9
then
the total cost=12+4*9----- $48

an inequality that compares
the total cost with the amount you have to spend is
x+4y<=48

using a graph tool see the attached figure

the inequality that models the number of granola bars you need to buy is

x<=12 the solution for the number of granola bars is the interval [0,12]