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vampirchik [111]
2 years ago
7

If you answer this. i will forever love you. foreverrrrrrr

Mathematics
2 answers:
alexira [117]2 years ago
8 0

Answer:

I believe that C is the correct answer.

Step-by-step explanation:

Crazy boy [7]2 years ago
6 0

Answer:

Step-by-step explanation:

The Mean Value Theorem says that for continuous and differentiable function f(x) on the interval ( a, b ) there is number c ∈ ( a, b ) that

f'(c) = \frac{f(b)-f(a)}{b-a} ....... <em>(1)</em>

~~~~~~~~~~~~~~~~

f(5) = 44

f(0) = - 1

5 - 0 = 5

f'(x) = 2x + 4 ⇒ f'(c) = 2c + 4

2c + 4 = \frac{44+1}{5}

2c + 4 = 9 ⇒ c = \frac{5}{2} (D).

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HELP ME PLEASE !!!!!!!!
Olenka [21]

Answer:35

Step-by-step explanation:

if you added 85,70, and 50 you would get 205 and that is more than the number of students that were interviewed so 35 would be the correct answer

3 0
3 years ago
Read 2 more answers
A cube has side length x. One side of the cube is increased by 4 inches, and another side is doubled. The volume of
KengaRu [80]

Answer:

Step-by-step explanation:

new dimensions of prism: x by (x+4) by (2x).

volume = x(x+4)(2x) = 2x³ + 8x²

2x³ + 8x² = 450

2x³ + 8x² - 450 = 0

x³ + 4x² - 225 = 0

x = 5 in

3 0
3 years ago
Read 2 more answers
determine (a) the volume and (b) the surface area of the three-dimensional figure. when appropriate, use pi key on your calculat
lawyer [7]

Answer:

Volume = 150 yd^3

Surface Area = 150 yd^2

Step-by-step explanation:

Going by the dimensions of the given three-dimensional figure, we can conclude that the figure is that of a cube. The height, length and width are equal.

Volume of a cube is given as a^3 , while surface area of a cube is given as 6a^2

Where, a = the side length = 5 yards

Volume = a^3 = 5^3

Volume = 150 yd^3

Surface Area = 6a^2 = 6(5)^2

Surface Area = 150 yd^2

3 0
4 years ago
Which of the following expressions are equivalent to 12x+20? Select all that apply.
GalinKa [24]

Answer:

C

Step-by-step explanation:

4(3x+5) = 12x+20

7 0
3 years ago
Find the value of the discriminant for <img src="https://tex.z-dn.net/?f=7x%5E%7B2%7D%20%2B5x%2B1%3D0" id="TexFormula1" title="7
kondor19780726 [428]

Answer:

No real roots

Step-by-step explanation:

Given

7x² + 5x + 1 = 0 ← in standard form

with a = 7, b = 5, c = 1

To determine the nature of the roots use the discriminant

Δ = b² - 4ac

• If b² - 4ac > 0 then roots are real and distinct

• If b² - 4ac = 0 then roots are real and equal

• If b² - 4ac < 0 then the roots are not real

Here

b² - 4ac = 5² - (4 × 7 × 1) = 25 - 28 = - 3

Thus the 2 roots are not real

7 0
3 years ago
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