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mote1985 [20]
2 years ago
6

HELP PLEASE I REALLY NEED IT

Mathematics
1 answer:
Svetlanka [38]2 years ago
5 0

Answer:

18

Step-by-step explanation:

1/2 bh

1/2 (6)(6) multiply

1/2 (36) divide

18

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The volume of a rectangular prism is 2x^3 + 9x^2 - 8x -36 with height x + 2. Using synthetic division, what is the area of the b
Luba_88 [7]

Answer:

Step-by-step explanation:

x+2=0

x=-2

-2 | 2   9    -8  -36

   |      -4  -10   36

______________

   |  2    5  -18  | 0

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Solve the equation x2 = 80.
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Answer:

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........

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3 years ago
Graph x^2 +8x+4y+8=0
Afina-wow [57]

Answer:

x        y

− 6      1

− 5       7 /4

− 4        2

− 3       7 /4

− 2        1

Step-by-step explanation:

5 0
3 years ago
What is the remainder when (3x4 + 2x3 − x2 + 2x − 19) ÷ (x + 2)? (1 point) Select one: a. 0 b. 5 c. 10 d. 15
BlackZzzverrR [31]

Answer: C. / 10

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Find the volume of the solid of revolution generated by revolving the region bounded by y = 2x^2, y = 0, and x = 2 about the x-a
Irina18 [472]

Answer:

128 \pi/5 units^3

Step-by-step explanation:

The volume of the solid revolution is expressed as;

V = \int\limits^2_0 {\pi y^2} \, dx

Given y = 2x²

y² = (2x²)²

y² = 4x⁴

Substitute into the formula

V = \int\limits^2_0 {4\pi x^4} \, dx\\V =4\pi \int\limits^2_0 { x^4} \, dx\\V = 4 \pi [\frac{x^5}{5} ]\\

Substituting the limits

V = 4 \pi ([\frac{2^5}{5}] - [\frac{0^5}{5}])\\V = 4 \pi ([\frac{32}{5}] - 0)\\V = 128 \pi/5 units^3

Hence the volume of the solid is 128 \pi/5 units^3

5 0
2 years ago
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