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Anton [14]
2 years ago
13

Which of these strategies would eliminate a variable in the system of equations?

Mathematics
1 answer:
gtnhenbr [62]2 years ago
8 0

Answer:

option A

Step-by-step explanation:

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Math - Use unit conversion factor to convert the units.
nlexa [21]

Answer: 240 minutes, 20 cups, 4000 pounds

<u>Step-by-step explanation:</u>

Use the following conversions:

1 hour = 60 minutes

2 cups = 1 pint

2 pints = 1 quart

1 ton = 2000 pounds

4\ hours\times \dfrac{60\ minutes}{1\ hour}=\large\boxed{240\ minutes}\\\\\\\\5\ quarts \times \dfrac{2\ pints}{1\ quart}\times \dfrac{2\ cups}{1\ pint}=\large\boxed{20\ cups}\\\\\\\\2\ tons\times \dfrac{2000\ pounds}{1\ ton}=\large\boxed{4000\ pounds}

8 0
3 years ago
Sally works in a cell phone store. She is paid a weekly salary of $80 plus $5.25 for
Viktor [21]

Answer:

First, let's define some variables.

x = # of cell phones sold.

y = total weekly income.

y = $5.25x + $80

a is the correct answer choice.

Step-by-step explanation:

7 0
2 years ago
The measures of the angles of △ABC are given by the expressions in the table.
vovangra [49]
The sum of angles of a triangle is 180°.

48 +(6x -28) +2x = 180
8x +20 = 180
8x = 160
x = 20

∠B = (6x -28)° = (6*20 -28)° = 92°

∠C = 2x° = 40°

___
x = 20
∠B = 92°
∠C = 40°
5 0
2 years ago
Cari is searching online for airline tickets. Two weeks ago, the cost to fly from Boston to Denver was $225. Now the cost is $30
liq [111]

Answer:

33.33% increase. 55.56% increase.

Step-by-step explanation:

3 0
3 years ago
Jan is saving for a skateboard she has saved 30 dollars already which is 20percent of the total price. How much does it cost?
Vesnalui [34]

Answer:

Step-by-step explanation:

so 20% of the total price equals $ 30

let x represent the total price

turn ur percent to a decimal

0.20x = 30

x = 30 / 0.20

x = 150 <=== total price

7 0
2 years ago
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