A 7 kg ham costs $19/kg. Find the cost per pound.

Mathematics

1 answer:

stepan [7]3 years ago

4 0

Answer: $\$8.62/\text{Pound}$

Step-by-step explanation:

Given

There is $7\ kg$ of ham available which costs

cost $=\$\ 19/kg$

i.e.

$1\ kg\ \text{costs}\ \$19$

and we know

$1\ kg=2.204\ \text{pound}$

So, $2.204\ \text{Pound costs}\ \$19$

thus $1\ \text{Pound costs}\ \dfrac{19}{2.204}=\$8.62/\text{Pound}$

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Determine the intercepts of the line that correspond to the following table of values.

Dahasolnce [82]

We know that
to find the equation of a line i need two points

let
point A-----> (-21,10)
point B-----> (-28,14)

step 1
find the slope m
m=(y2-y1)/(x2-x1)-----> m=(14-10)/(-28+21)----> m=-4/7

step 2
find the equation of a line with
m=-4/7 and the point A (-21,10)
y-y1=m*(x-x1)------> y-10=(-4/7)*(x+21)---> y=(-4/7)x-12+10
y=(-4/7)x-2

step 3
find x intercept
for y=0
y=(-4/7)x-2------> 0=(-4/7)x-2-----> 4/7x=-2----> x=-14/4----> x=-3.5

the x intercept is (-3.5,0)

step 4
find the y intercept
for x=0
y=(-4/7)x-2--------> y=-2
the y intercept is (0,-2)

the answers are
the x intercept is (-3.5,0)
the y intercept is (0,-2)

see the attached figure