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3 years ago

9

Help Me PLEASE!!! Simplify The Equation (2nd question)

1 answer:

scoray [572]3 years ago

5 0

I think it would be 8-3, not 7. 8x - 2x + 5x = (8-5)x + 5x

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Square root of 15-x=-3+Square root of 2x+3<br><br> Solve for x

PSYCHO15rus [73]

$
\sqrt{15-x}=-3\sqrt{2x+3}\impliedby \textit{divide by -3}
\\ \quad \\
\cfrac{\sqrt{15-x}}{-3}=\sqrt{2x+3}\impliedby \textit{squares both sides}
\\ \quad \\
\left( \cfrac{\sqrt{15-x}}{-3} \right)^2=(\sqrt{2x+3})^2\implies 
\cfrac{(\sqrt{15-x})^2}{(-3)^2}=(\sqrt{2x+3})^2
\\ \quad \\
\cfrac{15-x}{9}=2x+3\impliedby \textit{multiply both sides by 9}
\\ \quad \\
15-x=18x+27\impliedby \textit{solve for "x"}$

5 0

3 years ago

The cross country team practice by jogging on town steerts the average jogging rate is 6 mile per hour one member jogged for 3.5

seropon [69]

Answer:

6mile + hour + 3.5 hours + miles

Step-by-step explanation:

add the expressions

8 0

2 years ago

NO FILES NO FILES PLZ ASAP I REALLY NEED HELP WITH THIS ALGEBRA QUESTION

frez [133]

Answer:

Step-by-step explanation:

4 0

2 years ago

What is the length of BC?

m_a_m_a [10]

It is forty-eight it is easy

5 0

2 years ago

Write the equation in y-intercept form slope 2 passes through point (5,-2)

Alenkinab [10]

<h2>Answer</h2>

The equation is y = 2x - 12

<h2>Explanation</h2>

Equation in slope intercept form is

$y = mx + b$

Where,

m = slope

b = y-intercept

Putting the value of slope in this equation:

$y = 2x + b$

From this we can solve the equation for b

$b = y - 2x$

$b = -2 - 2(5)$

$b = -12$

Now, the equation of y-intercept becomes

$y = 2x - 12$

5 0

3 years ago