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DENIUS [597]
3 years ago
13

Please..I'm desperate. I have a D in this class..

Mathematics
1 answer:
Varvara68 [4.7K]3 years ago
3 0

Step-by-step explanation:

Recall that the first derivative of an equation gives us the SLOPE for the tangent line.

So first, we should find the first derivative.

\frac{dy}{dx} = 6 - 3x^2

With the first derivative, we can solve for the SLOPE of the tangent line at (1,5).

Using x = 1.

slope = 6 - 3(1)^2

A tangent line is a line. And has the form y = mx +b

Where m is the SLOPE of the line. and b is the y-intercept.

To get to this equation, let's use the point-slope technique.

y-y_1 = m(x-x_1)

y - 5 = m(x-1)

Solve for slope, substitute it into this equation for m and solve. That is the equation of the tangent line at the point (1,5).

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If the perimeter of a triangle is 31 ft and two of the side lengths are 15 ft and 10 ft, what is the length of the third side?
erastovalidia [21]

Answer:

C) 6 ft

Step-by-step explanation:

Perimeter is just adding the side lengths together so...

31-15-10=x

6=x

so your answer is 6ft

3 0
2 years ago
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The total for shipping charges for the 8 full boxes was $54.75 more than the total for shipping charges for the partially filled
lakkis [162]

Answer:

Step-by-step explanation:

536 because it is correct

4 0
3 years ago
A rectangular field has the area equal to that of a square field of side 60m.if the breadth of the rectangular field is 32m, fin
V125BC [204]

<u>Given</u> -

  • Area of rectangular field = Area of square field
  • side of square = 60m
  • breadth of the rectangular field = 32m

<u>To find</u> -

  • length of the rectangular field

<u>Solution</u> -

Area of square = side × side = (60 × 60)m² =

Area of square =3600m²

Hence,

Area of rectangular field = Area of square field = 3600m²

Area of rectangular field = l × b = 3600m²

=> l × 32m = 3600m²

=> l = \sf{\frac{3600}{32}\:m}

=> l = 112.5m

so, the length = 112.5m

5 0
3 years ago
YOU GO TO THE STORE WITH $100.  YOU HAVE A LIST OF THINGS TO BUY THAT WILL COST $70 IN TOTAL.  YOU WANT TO BUY OREOS.  OREOS COS
madreJ [45]

Answer:

10

Step-by-step explanation:

First, you would subtract 100-70 to get 30

Then, you would do 30/3 to learn that you could still buy 10 packs of Oreos with the remaining money.

5 0
3 years ago
There are 1,295 students attending a small university.There are 714 women enrolled.What percent of the students are women?
BARSIC [14]
Total students = 1295

Number of women = 714

Percentage of women = 714/1295 x 100 = 55.14%

------------------------------------------------------------------
Answer: 55.14% of the students are women.
------------------------------------------------------------------
3 0
3 years ago
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