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Assoli18 [71]
3 years ago
13

2.

Mathematics
1 answer:
Lelechka [254]3 years ago
5 0

Answer:

The most simple method for solving systems of equations is to transform one of the equations so it allows for the canceling out of a variable. In this case, we can multiply \displaystyle 3x + y = 8 by to get . Then, we can add \displaystyle 2x + 4y = 12 to this equation to yield , so .

Step-by-step explanation:

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What are the solutions to the quadratic equation 5x2 + 60x = 0?
const2013 [10]
5x^2+60x=0
x(5x+60)=0

x=0
and
5x+60=0
5x=-60
x=-12

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8 0
3 years ago
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What is the equation of the line that passes through the point (4, 3) and is perpendicular to the line x + y = 4?
zimovet [89]
ANSWER

y - x = - 1

EXPLANATION

The required equation passes through:

(4,3) and is perpendicular to x+y=4.

Rewrite the given equation in slope-intercept form:

y = - x + 4

The slope of this line is -1.

The slope of the required line is perpendicular to this line, so we find the negative reciprocal of this slope.

m= - \frac{1}{ - 1} = 1

The equation of the line can be found using:

y - y_1 = m(x - x_1)

We substitute the slope and point to obtain:

y - 3 = 1(x - 4)

We simplify to get:

y - 3 = x - 4

y - x = - 4 + 3

The required equation is

y - x = - 1
5 0
3 years ago
Justin drank 1liter of water during soccer practice he drank 2,000 milliliters of water during the soccer game how many millilit
Arlecino [84]
In total there is 3000 millileters
4 0
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dimaraw [331]

Answer:

d.5/3

Step-by-step explanation:

m=y2-y1/x2-x1

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7 0
3 years ago
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3 years ago
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