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Masteriza [31]
3 years ago
5

Can someone please help me with this problem?

Mathematics
1 answer:
Bumek [7]3 years ago
4 0

Answer:

f'(1) = 2

Step-by-step explanation:

f(x) = 2x^2 -2x +3

Take the derivative

f'(x) = 2 * 2x - 2 * 1

f'(x) = 4x -2

f'(1) = 4(1) -2

      =4-2

       =2

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What is the answer to this problem- <br> (a-3b+5)-(-a+2b+3)
tiny-mole [99]

Answer:

\displaystyle 2 - 5b + 2a

Step-by-step explanation:

To avoid confusion, distribute that negative amongst all terms in the second set of parentheses:

\displaystyle 2a - 5b + 2 = (a - 3b + 5) - (-a + 2b + 3)

** The above answer is written in reverse, which is the exact same result.

I am joyous to assist you anytime.

6 0
3 years ago
Write an equation of the line with the given slope and y-intercept
Vinil7 [7]

Answer:

y=mx+c

y=2x+9

Step-by-step explanation:

Slope(m)=2, y-intercept(c) =9

Substitute in the equation y=mx+c

5 0
3 years ago
the length of a rectagle is 5 in longer than its width. if the perimeter of the rectangle is 56 in, find its length and width
lisabon 2012 [21]

Answer:

Step-by-step explanation:

Let the width of the rectangle = x

As length is 5 inches longer than width, we have to add 5 to width

Length = x + 5

Perimeter of ractangle = 56 in

2* (length + width) = 56

2*( x + 5 + x) = 56

2* (2x + 5)    = 56

Use distributive property: a*(b +c) =(a*b) + (a * c)

2*2x + 2*5   = 56

4x  + 10 = 56

Subtract 10 from both sides

4x = 56- 10

4x = 46

Divide both sides by 4

x = 46/4

x = 11.5

Width = 11.5 in

length = 11.5 + 5

            = 16.5 in

3 0
2 years ago
What is the total amount paid on a 30 year mortgage for $53,000 with an interest rate of 4.25%
Sonja [21]

Answer:

67,575.00

Step-by-step explanation:

4 0
3 years ago
1. Write the slope-intercept form of the equation that passes through the point (0, 1) and is parallel to the line y = 3x - 5
gregori [183]

Answer:

y = 3x + 1

Step-by-step explanation:

If two lines are parallel to each other, they have the same slope.

The first line is Y = 3X - 5. Its slope is 3. A line parallel to this one will also have a slope of 3.

Plug this value (3) into your standard point-slope equation of y = mx + b.

y = 3x + b

To find b, we want to plug in a value that we know is on this line: in this case, it is (0, 1). Plug in the x and y values into the x and y of the standard equation.

1 = 3(0) + b

To find b, multiply the slope and the input of x (0)

1 = 0 + b

Now, add 0 to both sides to isolate b.

1 = b

Plug this into your standard equation.

y = 3x + 1

This equation is parallel to your given equation (y = 3x - 5) and contains point (0, 1)

Hope this helps!

3 0
3 years ago
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