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alisha [4.7K]
3 years ago
14

5x - 7 = -12 A) -1 B) -25 C) 1 D) 25

Mathematics
1 answer:
alexira [117]3 years ago
4 0
A) -1
Because it would be fine like this:
5x - 7 = -12
5x = -12 + 7
5x = -5
x = -5 / 5
x = 1
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Find the perimeter of quadrilateral ABCD. Round to the nearest tenth.
Olegator [25]

Answer:

14.6 units

Step-by-step explanation:

AB = \sqrt{(1-3)^2+(3-5)^2}

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3 years ago
Jack will spend a total of exactly $15 on Redbix movies and games. What equation in standard form can he use to graoh a line sho
alina1380 [7]

Answer:

1.25x+2.5y -15 = 0

Step-by-step explanation:

Total amount to be spent on Redbix movies and games = $15

Money to be paid for each movie = $1.25

Money to be paid for each game = $2.50

To find:

Equation in standard form that can be used to graph the line.

Solution:

First of all, let us learn about the standard form of equation of a line.

Standard form can be represented as:

Ax+By+C =0

Where A,B, C are constants.

Now, let us try to make equation.

Let number of movies bought = x

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Let number of movies bought = y

Amount to be paid for movies = $2.50y

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Therefore, we can write the equation as:

1.25x+2.5y = 15

Standard form can be written as:

1.25x+2.5y -15 = 0

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They sold 24 t-shirts.
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4 years ago
Read 2 more answers
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