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Sloan [31]
4 years ago
15

Write an equation in standard form. Y+2=2/3(x+4)

Mathematics
1 answer:
Alina [70]4 years ago
4 0
Standard\ form:Ax+By=C\\\\y+2=\frac{2}{3}(x+4)\ \ \ \ |multiply\ both\ sides\ by\ 3\\\\3y+6=2(x+4)\\3y+6=2(x)+2(4)\\3y+6=2x+8 \ \ \ |subtract\ 6\ from\ both\ sides\\3y=2x+2\ \ \ \  |subtract\ 2x\ from\ both\ sides\\-2x+3y=2\ \ \ \ \ |change\ the\ signs\\\boxed{2x-3y=-2}
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What is twenty on thousand and sixty four in digits?
egoroff_w [7]
The answer is 21,064 in digits
5 0
3 years ago
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Find the critical points of the function and use the First Derivative Test to determine whether the critical point is a local mi
Andre45 [30]

Answer:

Critical points are 1 and -1

Maximum at x=1

Minimum at x=-1

Step-by-step explanation:

We are given that a function

f(x)=3tan^{-1}(x)-\frac{3}{2} x+5 on (-\infty,\infty)

We have to find the critical points of the function.

To find the critical point we will differentiate function w.r.t x and then substitute f'(x)=0

f'(x)=\frac{3}{1+x^2}-\frac{3}{2}

\frac{d(tan^{-1}x)}{dx}=\frac{1}{1+x^2}

f'(x)=0

\frac{3}{1+x^2}-\frac{3}{2}=0

\frac{3}{1+x^2}=\frac{3}{2}

1+x^2=2

x^2=2-1=1

x=\pm1

Therefore, the critical points of the given function are 1 and -1.

f(0)=3-\frac{3}{2}=\frac{3}{2}

f'(1)=0

f'(2)=\frac{3}{5}-\frac{3}{2}=-\frac{9}{10}

When we goes from 0 to 2 then the sign of derivative  change from positive to negative .Therefore, function has local maximum at x=1.

f(-2)=\frac{3}{5}-\frac{3}{2}=-\frac{9}{10}

f(-1)=0

f(0)=\frac{3}{2}

When we goes form -2 to 0 then the sign of derivative change from negative to positive .Hence , function has local minimum at x=-1

Hence, critical points are local maximum and local minimum .

3 0
3 years ago
The distance from a star to a planet is approximately 90,000,000 miles. If light travels at a rate of 186,000 miles per​ second,
algol13
So to get this the easiest way would be to:
-put 90,000,000 over 186,000 and cancel out zeroes so you have 90,000 divided by 186 ( so it makes more sense in long division later)
-Then divide 90,000 by 186
-get 483.87 seconds
Hope this helped!

7 0
3 years ago
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June had an equal lengths of yellow and green ribbons. After using 30cm of yellow ribbon and 3.3m of green ribbon,the remaining
Ratling [72]

Answer:

4.05 meters or 405 cm

Step-by-step explanation:

The equation to use is

(x - 330) x 5 = x - 30

330 is equal to 3.30 meters.

Then solve the equation.

(X - 330) x 5 = x - 30

5x - 1650 = x - 30

-x

4x - 1650 = -30

+1650 + 1650

4x = 1620

/4 /4

X = 405cm

7 0
3 years ago
4/49 times 7/13 thank you
german

Answer:

0.04395604395

Step-by-step explanation:

5 0
4 years ago
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