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Alex17521 [72]
3 years ago
7

a gallon of unleaded gasoline weights about 6 pounds.About how many ounces does 1 quart of leaded gasoline weight?

Mathematics
2 answers:
katovenus [111]3 years ago
4 0
That depends That depends on how much you have!  A tanker full of the stuff weighs more than a gallon of it. What you probably meant to ask is how much it weighs per unit volume. In other words, you wish to know its density. The specific gravity of gasoline is about 0.72. That is, it's about 72 percent the density of water.  Since a gallon of water weighs 8.34 pounds per gallon, we can easily calculate the density of gas as 6.00 pounds per gallon.  By the way, I say "about" above because the density of gasoline varies with temperature.
Strike441 [17]3 years ago
3 0
24 ounces are how much 1 quart of leaded gasoline weighs 
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Sara sold hotdogs and drinks at the soccer game.
Anarel [89]

Answer:

$11

Step-by-step explanation:

Set up the system of equations

18x + 9y = 45

20x + 12y = 52

Let's try to get y on one side for the first equation.

9y=45-18x

y=5-2x

Now substitute it into the second equation.

20x + 12(5-2x) = 52

20x + 60 - 24x = 52

-4x = -8

x = 2

Now solve for y using the first equation.

18(2) + 9y = 45

36 + 9y = 45

9y = 9

y = 1

Now that we know x and y we can solve for the price of 4 hot dogs and 3 drinks.

4(2) + 3(1) = z

8 + 3 = z

11 = z

That means that the price is 11 dollars.

7 0
3 years ago
Melissa earns a 2% commission on the first $750 of sales she makes each week. She earns a 3% commission on the amount of her sal
gizmo_the_mogwai [7]

Answer:

0.02(750)+0.03(x−750)=37.5

Step-by-step explanation:

Given data

Melissa earns a 2% commission on the first $750 of sales

= 0.02(750)

She earns a 3% commission on the amount of her sales that are greater than $750 each week

let the amount of her sales be x

= 0.03(750-x)

Melissa earned $37.50 in commissions last week.

= $37.5

Her total earnings is $37.5

37.5= 0.02(750)+ 0.03(x-750)

37.5= 15+0.03x- 22.5

37.5-15+22.5= 0.03x

45= 0.03x

x= 45/0.03

x= 1500

8 0
3 years ago
Does the graph of the equation y = 7 - 2x increase or decrease? A) decreases because the x values decrease from left to right B)
Nutka1998 [239]
Y=mx+b
m=slope=rise/run
if slope>0, then it increases
if slope<0, then decreases because it is going down


y=7-2x
y=-2x+7
-2<0
decreasing
because the y values decrease from left to right
the x values always increase if you go from left to right

B is the answer
7 0
3 years ago
Read 2 more answers
Workout the probability that spinner A lands on 2 and spinner b does not land on b
zzz [600]

Spinner diagram isn't attached. A related spinner diagram has been attached below to provide an hypothetical solution to the problem

Answer:

4 / 15

Step-by-step explanation:

For the numbered spinner :

P(landing on 2) = required outcome / Total possible outcomes

Total possible outcomes = (1, 2, 3) = 3

Required outcome = (1) = 1

P(landing on 2) = 1 /3

Lettered spinner :

P(does not land on b)

Total possible outcomes = (A, B, C, D, E)

Required outcome = (a, c, d, e)

P(does not land on b) = 4 / 5

Hence,

P(lands on 2, does not land on b) in this scenario is :

1/3 * 4/5 = 4 / 15

5 0
2 years ago
(5+2yi)(4-3i)-4(5+2yi)
lesya [120]
If you download Photomath and scan your question it will give u the answer;)
6 0
3 years ago
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