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Mariana [72]
3 years ago
5

Please help me out!​

Mathematics
2 answers:
alukav5142 [94]3 years ago
8 0

Answer:

i think its no soulution

Step-by-step explanation:

the numbers all cancel out

Zigmanuir [339]3 years ago
8 0

Answer:

A. Infinitely many solutions

Step-by-step explanation:

All you have to do is solve the equation on both side.

-7x + 3 = 2 - 7x + 1 (collect like terms)

-7x + 3 = -7x + 3   ( since they are in the same format on each side it would be infinite solutions because you can pick any number and they will have the same amount on each side)

For example, the number 5

-7(5)  + 3 = -7(5)+ 3

-35 + 3 = -35 + 3

-32 = -32

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The Volume () of gas vanes inversely to the pressure (P). The volume of gas is 200 cm ^ 3 under pressure of 32 kg/cm^ 2 What wil
WITCHER [35]

Answer:

0.025 Kg/ cm²

Step-by-step explanation:

if two variables vary inversely, there is a negative relationship between both variables. the increase in one variable leads to a decrease in the other variable

the equation that represents inverse proportion :

y = \frac{b}{x}

where b = constant of proportionality

to determine the answer in this question :

1. determine constant of proportionality

200 = k / 32

k = 6400

2. Determine the amount of pressure using the constant of proportionality

256, 000 = 6400 / pressure

pressure = 6400 / 256, 000 = 0.025

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Cost of a Shirt increased from $10 to $30.What is the percent change?
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Read 2 more answers
Find an equation for the line that passes through the points (5.-5) and (-4,-2)
ANEK [815]

Answer:

\large\boxed{y=-\dfrac{1}{3}x-\dfrac{10}{3}\to x+3y=-10}

Step-by-step explanation:

The slope-intercept form of an equation of a line:

y=mx+b

<em>m</em><em> - slope</em>

<em>b</em><em> - y-intercept</em>

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

We have the points (5, -5) and (-4, -2).

Substiute:

m=\dfrac{-2-(-5)}{-4-5}=\dfrac{-2+5}{-9}=\dfrac{3}{-9}=-\dfrac{1}{3}

Put the value of the slope and the coordinates of the point (5, -5) to the equation of a line:

-5=-\dfrac{1}{3}(5)+b

-5=-\dfrac{5}{3}+b               <em>add 5/3 to both sides</em>

-\dfrac{15}{3}+\dfrac{5}{3}=b\\\\-\dfrac{10}{3}=b\to b=-\dfrac{10}{3}

Finally we have the equation of a line in the slope-intercept form:

y=-\dfrac{1}{3}x-\dfrac{10}{3}

Convert to the standard form <em>(Ax + By = C)</em>:

y=-\dfrac{1}{3}x-\dfrac{10}{3}          <em>multiply both sides by 3</em>

3y=-x-10              <em>add x to both sides</em>

x+3y=-10

4 0
3 years ago
La sucesión {1/ n } es convergente <br><br> alguien me ayuda por favor
loris [4]

Answer:

si es convergente

más inteligente por favor

Step-by-step explanation:

7 0
2 years ago
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