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3 years ago

During the first two hours, how far does the car travel?

Mathematics

2 answers:

Yanka [14]3 years ago

6 0

In the two hours, he drives 15 (km)

Hope I helped : )

BartSMP [9]3 years ago

6 0

It most definitly looks like fifteen km to me.

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A cylinder has a volume of 72 cubic inches. What is the volume of a cone with the same height and radius as the cylinder? Show a

nexus9112 [7]

Answer:

24 cubic inches

Step-by-step explanation:

The formulas for the volume of a cylinder and cone are ...

volume of a cylinder = πr^2·h

volume of a cone = (1/3)πr^2·h

For the same radius and height, the cone has 1/3 the volume of the cylinder. Your cone's volume is ...

(1/3)·(72 cubic inches) = 24 cubic inches

3 0

3 years ago

(2a^2b + 3ab^2 - b^3) - (4b^3 - 3ab^2 -6a^2b)

skelet666 [1.2K]

Hi there!

~

$(2a^2b+3ab^2-b^3)-(4b^3-3ab^2-6a^2b)$

Distribute the Negative Sign:

$= 2a^2 b + 3ab^2 - b^3 + -1(4b^3 - 3ab^2 - 6a^2b)\\= 2a^2 b + 3ab^2 + - b^3 + -1 (4b^3) + -1 (-3ab^2) + -1 (-6a^2b)\\= 2a^2 b + 3ab^2 + -b^3 + -4b^3 + 3ab^2 + 6a^2 b$

Combine Like Terms:

$= 2a^2 b + 3ab^2 - b^3 + -4ab^3 + 3ab^2 + 6a^2 b\\= (2a^2 b + 6a^2 b) + ( 3ab^2 + 3ab^2) + (-b^3 + -4b^3) \\= 8a^2 b + 6ab^2 + -5b^3$

Answer : $8a^2 b + 6ab^2 + -5b^3$

Hope this helped you!

7 0

3 years ago

Need help ASAP DUE IN ONE DAY thanks

erastovalidia [21]

Answer:

(5k+14)(3k+8)

Step-by-step explanation:

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3 years ago

20/256 Simplified. I need this answer. Will give brainliest

sasho [114]

Answer:

5/64

Step-by-step explanation:

20/256

10/128

5/64

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3 years ago

Read 2 more answers

Solve the quadratic equation 4X^2+ 3x-27=0

maxonik [38]

Answer:

x = -3 or 9/4

Step-by-step explanation:

(x+3)(4x-9)

or use the quadratic formula

5 0

3 years ago