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Vanyuwa [196]
3 years ago
7

Which of the following expressions can be used to find how many meters it is from Washington, D.C.,To Baltimore

Mathematics
1 answer:
alexira [117]3 years ago
4 0
What where are the expressions at?
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Sam paid $3.60 for 3/4 pound of his favorite trail-mix. What is the unit price (dollars per pound)?
jekas [21]

Answer:

So the unit price of the trail - mix is $4.80 per pound

Step-by-step explanation:

Sam paid $3.60 for 3/4 pound of his favorite trail-mix.

What it means is that said paid for 3/4 = 0.75 of a pound for $3.60

So let's determine how much he could have paid for a complete pound

$3.60= 0.75 pound

X= 1 pound

$X*0.75 pound= $3.60*1 pound

$x= ($3.60*1 pound)/0.75 pound

$x=$3.60/0.75

$x= $4.80

So the unit price of the trail - mix is $4.80 per pound

3 0
3 years ago
In the equation y = -6x + 2, what is the value of slope?<br> 25 Points!!!!!!!
zepelin [54]

Answer:

-6

Step-by-step explanation:

In y = mx + c,

m is the slope

y = -6x + 2

m = -6

5 0
3 years ago
Read 2 more answers
Select the correct answer from each drop-down menu.
asambeis [7]

Answer:

To  get system B, the SECOND equation in system A was replaced by the sum of that equation and the FIRST equation multiplied by FOUR. The solution to system B IS de same as the solution to system A

Step-by-step explanation:

x-y=3  equation 1

-2x+4y=-2   equation 2

so, multiplying by four the equation 1 we have

4x-4y=12   equation 3

later sum equation 3 and equation 2 we have

2x=10

6 0
3 years ago
Read 2 more answers
a movie rental service charges a $15 fee plus $1.50 per rental. suppose you have $40 to spend. how many movies can you rent
yKpoI14uk [10]

Answer:

16

Step-by-step explanation:

y = mx+b, where y is cost x is # of movies, m is $ per rental and b is the flat charge.

y = 1.50x+15

40 = 1.50x+15

25 = 1.50x

16.666... = x

You can rent about 16 movies

Hope that helps

8 0
2 years ago
Read 2 more answers
What is 4/12 + 1/12 + 3/12
vesna_86 [32]

Answer:

8/12

Step-by-step explanation:

6 0
3 years ago
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