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Rainbow [258]
3 years ago
14

X - 2y = 4. This in slope intercept forms. I need steps too.

Mathematics
1 answer:
user100 [1]3 years ago
8 0

Answer: 1/2

Step-by-step explanation: we have formula y = mx + b

x - 2y = 4

2y = x - 4

y = x/2 - 4/2

y = x/2 - 2

m = 1/2

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X+4/5 is less than or equal to -2
insens350 [35]

Answer:

Step-by-step explanation:

less than I think

4 0
3 years ago
Solve the following inequality<br> 23x +1 &gt; -45
Alenkasestr [34]

Answer:

-2

Step-by-step explanation:

23x + 1 > - 45

or, 23x > - 45 - 1

or, 23x > - 46

or, x > - 46/23

or, x > - 2

hope it will help you☺

7 0
3 years ago
How do I solve -6x+12y=14<br> 1.5x-3y=-3.5
lord [1]

Answer:

Point Form:

(-31.75 -4.125 )

Equation Form:

x = -31.75 y =  -4.125

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Please help with the questions in the image
iren2701 [21]

Step-by-step explanation:

This seems to be calculus 1.

<u>Question a</u>

We have -2x^3 + 5x^2 + 9

m = slope = derivative

Find the derivative / slope of -2x^3 + 5x^2 + 9

We do this by differentiating the polynomials. There are a few methods to do this but I am going to use the power rule, which we multiply the constant by the exponent on the variable and subtract one from the exponent.

\frac{d}{dx}(-2x^3 + 5x^2 + 9)

-6x^2 + 10x

m = -6x^2 + 10x when x = a

<em>Now that we have this information, we can answer question b</em>

<u>Question b</u>

<u>The tangent line for Point (1, 12)</u>

First find the slope by using our derivative.

m = -6x^2 + 10x

m = -6(1)^2 + 10(1)

m = -6 + 10x

m = 4

Now that we have our slope, use point slope form to find our tangent line

y - 12 = 4(x - 1)

y(x) = 4x + 8


<u>Now lets do the same for the Point (2, 13)</u>

Find the slope at the point.

m = -6x^2 + 10x

m = -6(2)^2 + 10(2)

m = -24 + 10

m = -4

Now find the tangent line using point slope form of a line.

y(x) - 13 = -4(x - 2)

y(x) = -4x + 21


Now graph the lines, which I have done and you can see by viewing the image I have attached.


6 0
4 years ago
What is the value of y? 4y + 15= 6y - 45
laila [671]
4y + 15= 6y - 45  \\  \\ 45+15=6y-4y \\  \\ 60 = 2y \\  \\ y = 30 \\  \\  \\ \framebox[1.1\width]{Good Luck!} \par&#10;&#10;
5 0
4 years ago
Read 2 more answers
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